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20070235 Stormwater Main Agree 10302013 COMMERCIAL/INDUSTRIAL AGREEMENT TO MAINTAIN STORMWATER FACILITIES AND TO IMPLEMENT A POLLUTION SOUCE CONTROL PLAN BY AND BETWEEN Mountain Terrace Builders LLC ITS HEIRS, SUCCESSORS, OR ASSIGNS (HEREINAFTER "OWNER") AND City of Ye lm,Washington HEREINAFTER "JURISDICTION") The upkeep and maintenance of stormwater facilities and the implementation of pollution source control best management practices (BMPs) is essential to the protection of water resources. All property owners are expected to conduct business in a manner that promotes environmental protection. This AGREEMENT contains specific provisions with respect to maintenance of stormwater facilities and use of pollution source control BMPs. LEGAL DESCRIPTION: Lot 3 of Short Plat Subdivision SS-0175 as recorded under Auditor's Number 946434, records of Thurston County. Whereas, OWNER has constructed improvements, including but not limited to, buildings, pavement, and stormwater facilities on the property described above. In order to further the goals of the JURISDICTION to ensure the protection and enhancement of JURISDICTION'S water resources, the JURISDICTION and OWNER hereby enter into this Agreement. The responsibilities of each party to this Agreement are identified below. OWNER SHALL: (1) implement the stormwater facility maintenance program included herein as Attachment "A." (2) Implement the pollution source control program included herein as Attachment"13." (3) Maintain a record (in the form of a log book) of steps taken to implement the programs referenced in (1) and (2) above. The log book shall be available for inspection by JURISDICTION staff at 14730 SR 507, Yelm,WA 98597 during normal business hours. The log book shall catalog the action taken, who took it, when it was done, how it was done, and any problems encountered or follow-on actions recommended. Maintenance items ("problems") listed in Attachment "A" shall be inspected on a monthly or more frequent basis as necessary. OWNER is encouraged to photocopy the individual checklists in Attachment A and use them to complete its monthly inspections. These completed checklists would then, in combination,comprise the monthly log book. (4) Submit an annual report to the JURISDICTION regarding implementation of the programs referenced in (1) and (2) above. The report must be submitted on or before May 15 of each calendar year and shall contain, at a minimum, the following: (a) Name, address, and telephone number of the business, the person, or the firm responsible for plan implementation, and the person completing the report. (b) Time period covered by the report. (c) A chronological summary of activities conducted to implement the programs referenced in (1) and (2) above. A photocopy of the applicable sections of the log book, with any additional explanation needed, shall normally suffice. For any activities conducted by paid parties not affiliated with the OWNER, include a copy of the invoice forservices. (d) An outline of planned activities for the next year. THE JURISDICTION SHALL: (1) Provide technical assistance to OWNER in support of its operation and maintenance activities conducted pursuant to its maintenance and source control programs. Said assistance shall be provided upon request, and as JURISDICTION time and resources permit, at no charge to OWNER. (2) Review the annual report and conduct a minimum of one (1) site visit per year to discuss performance and problems with OWNER. (3) Review this agreement with OWNER and modify it as necessary at least once every three (3)years. REMED IES: (1) If the JURISDICTION determines that maintenance or repair work is required to be done to the stormwater facility existing on the OWNER'S property, the JURISDICTION shall give the owner of the property within which the drainage facility is located, and the person or agent in control of said property, notice of the specific maintenance and/or repair required. The JURISDICTION shall set a reasonable time in which such work is to be completed by the persons who were given notice. If the above required maintenance and/or repair is not completed within the time set by the JURISDICTION, written notice will be sent to the persons who were given notice stating the JURISDICTION'S intention to perform such maintenance and bill the owner for all incurred expenses. The JURISDICTION may also revoke stormwater utility rate credits for the quality component or invoke surcharges to the quantity component of the OWNER'S bill if required maintenance is not performed. (2) If at any time the JURISDICTION determines that the existing system creates any imminent threat to public health or welfare, the JURISDICTION may take immediate measures to remedy said threat. No notice to the persons listed in (1), above, shall be required under such circumstances. (3) The owner grants unrestricted authority to the JURISDICTION for access to any and all stormwater system features for the purpose of performing maintenance or repair as may become necessary under Remedies (1) and/or(2). (4) The persons listed in (1), above, shall assume all responsibility for the cost of any maintenance and for repairs to the stormwater facility. Such responsibility shall include reimbursement to the JURISDICTION within 30 days of the receipt of the invoice for any such work performed. Overdue payments will require payment of interest at the current legal rate for liquidated judgments. If legal action ensues, any costs or fees incurred by the JURISDICTION will be borne by the parties responsible for said reimbursements. (5) The owner hereby grants to the JURISDICTION a lien against the above-described property in an amount equal to the cost incurred by the JURISDICTION to perform the maintenance or repair work described herein. This Agreement is intended to protect the value and desirability of the real property described above and to benefit all the citizens of the JURISDICTION. It shall run with the land and be binding on all panties having or acquiring from OWNER or their successors any right, title, or interest in the property or any part thereof, as well as their title, or interest in the property or any part thereof, as well as their heirs, successors, and assigns. They shall inure to the benefit of each present or future successor in interest of said property or any part thereof, or interest therein, and to the benefit of all citizens of the JURISDICTION. Owner Owner STATE OF WASHINGTON ) ) ss COUNTY OF ) I certify that I know or have satisfactory evidence that is the person who appeared before me, and said person acknowledged that (he/she) signed this instrument and acknowledged it as the of to be the free and vohmtary act of such party for the uses and purposes mentioned inthe instnunent. WITNESS my hand and official seal this day of.. _ _ 2013. Notary Public in and for the State of Washington, residing in My commission expires: STATE OF WASHINGTON ) ss COUNTY OF } I certifythat I know or have satisfactory evidence that is the person who appeared before me, and said person acknowledged that (he/she) signed this instrument and acknowledged it as the_ of__ to be the free and vohmtary act of such party for the uses and purposes mentioned in the instrument. WITNESS my hand and official seal this day of 2013. Notary Public in and for the State of Washington, residing in My commission expires- Attachment 'A' STORMWATER FACILITIES MAINTENANCE PROGRAM for FAIRWAY ESTATES Prepared by: OLYMPIC ENGINEERING PO Box 12690 Olympia WA 98508 360.705.2474 360.705.2443 fax www.olyeng.com Introduction What is Stormwater Runoff? When urban and suburban development covers the land with buildings, streets and parking lots, much of the native topsoil, duff, trees, shrubs and grass are replaced by asphalt and concrete. Rainfall that would have soaked directly into the ground instead stays on the surface as stormwater runoff making its way into storm drains (including man-made pipes, ditches, or swale networks), stormwater ponds, surface and groundwater, and eventually to Puget Sound. What is a Storm Drain System and how does it work? The storm drain system for most developments includes measures to carry, store, cleanse, and release the stormwater. Components work together to reduce the impacts of development on the environment Impacts can include flooding which results in property damage and blocked emergency routes, erosion which can cause damage to salmon spawning habitat, and pollution which harms fish and/or drinking water supplies. The storm drain system provides a safe method to carry stormwater to the treatment and storage area. Swales and ponds filter pollutants from the stormwater by physically settling out particles, chemically binding pollutants to pond sediments, and biologically converting pollutants to less harmful compounds. Ponds also store treated water, releasing it gradually to a nearby stream or to groundwater. What does Stormwater Runoff have to do with Water Quality? Stormwater runoff must be treated because it carries litter, al, gasoline, fertilizers, pesticides, pet wastes, sediments, and anything else that can float, dissolve or be swept along by moving water. Left untreated, polluted stormwater can reach nearby waterways where it can harm and even kill aquatic life. It can also pollute groundwater to the extent that it requires treatment before it is suitable for drinking. Nationally, stormwater is recognized as a major threat to water quality. Remember to keep everything out of stormwater systems except the rainwater they are designed to collect. Your Stormwater Facility Different types of ponds are designed for different purposes. For example, wet ponds primarily provide treatment of stormwater. Dry ponds or infiltration ponds are designed to provide storage for stormwater and allow for its gradual release downstream or into the ground. Who is Responsible for Maintaining Stormwater Facilities? All stormwater facilities require maintenance. Regular maintenance ensures proper functioning and preserves visual appeal. This Stormwater Facility Maintenance Guide was designed to explain how stormwater facilities work and provide user-friendly, straightforward guidance on facility maintenance. You are responsible for regularly maintaining privately owned ponds, catch basins, pipes and other drainage facilities on your property. Stormwater facilities located in public rights-of-way are maintained by local governments. How to Use the Stormwater Facility Maintenance Guide This Maintenance Guide includes a Site Plan specific to your development and a Facility Key that identifies the private stormwater facilities you are responsible for maintaining. A "Quick List" of 1 maintenance activities has also been included to help you identify the more routine needs of your facility. Included in This Guide • Comprehensive Maintenance Checklists that provide specific details on required maintenance • Pollution Prevention Tips that list ways to protect water quality and keep storm drain systems functioning smoothly • Resources to provide more information and technical assistance A Regional Approach to Stormwater Management The Cities of Yelm, Lacey, Olympia, and Tumwater, together with Thurston County, are taking steps to educate and involve area residents in water quality issues and stormwater management. Stormwater runoff is a widespread cause of water quality impairment and stream degradation. The jurisdictions are working together with residents, businesses, community groups and schools to address this problem. This guide focuses on providing information on ways that you can reduce stormwater impacts through pollution prevention and proper facility maintenance. YOUR STORMWATER FACILITIES Reference the Site Plan for the locations of the stormwater components requiring maintenance. QUICK LIST The following is an abbreviated checklist of the most common types of maintenance required. Please go over this checklist after heavy rains. The list represents minimum maintenance to be performed and should be completed in conjunction with the other checklists for an effective maintenance program. • Remove any twigs, leaves, or other materials from the roadway surface. • Inspect roof drain inlet and outlet pipes for blockages. Clear all blockages. • Inspect areas down-gradient of all roof downspout splash blocks. Ensure that there is positive drainage down and away from the splash blocks. Repair any eroded areas and re-establish vegetation. Maintaining Stormwater Facilities All stormwater facilities need to be maintained. Regular maintenance ensures proper functioning and keeps the facility aesthetically appealing. This Stormwater Facility Maintenance Guide was designed to help explain how stormwater facilities work and provide user-friendly guidance on how to maintain them to keep them up to standards. As a facility owner or homeowner's association, you are responsible for regularly maintaining your privately-owned drainage facilities such as ponds, catch basins and pipes. Local governments maintain stormwater facilities located in public roadways. Maintenance Checklists The checklists in this guide are for you to use when inspecting and maintaining the stormwater facilities in your neighborhood. If you are missing a particular checklist, or if you have additional facilities not identified or addressed in this guide, please contact your developer or local jurisdiction. 2 The checklists are in table format for ease of use and brevity. Each checklist tells you what part of the feature to check, how often to check, what to check for, and what to do about it. Log sheets are included to help you keep track of when you last surveyed the storm drainage system. Although it is not intended for the maintenance survey to involve anything too difficult or strenuous, there are a few tools that will make the job easier and safer. These tools include: • Gloves. • A flashlight(to look into catch basins, manholes or pipes). • A long pole or broom handle for checking sediment depths (see below). • Some kind of pry bar or lifting tool for pulling manhole and grate covers. A listing of resources is also included within this packet (see next page). Here you will find the phone numbers of the agencies referred-to in the tables. SAFETY WARNING: Due to OSHA regulations, you should never stick your head or any part of your body into a manhole or other type of confined space. When looking into a manhole or catch basin, stand above it and use the flashlight to help you see. Use a pole or broom handle that is long enough when you are checking sediment depths in confined spaces. Always properly replace grates and lids. NO PART OFYOUR BODY SHOULD BREAKTHE PLANE OFTHE OPEN HOLE. Annual Inspection & Maintenance Report The owner shall submit a brief annual Inspection & Maintenance Report to the City of Yelm Public Works Department by August 15th of each calendar year, to include the following: Name, address, and telephone number of the businesses, persons, or firms responsible for plan implementation, and the person completing the report. • Time period covered by the report, generally the previous calendar year. • A chronological summary of activities conducted to implement the Maintenance Plan. A photocopy of the log sheet and applicable checklists (with any additional explanation needed) should normally suffice. For any activities conducted by paid parties, include a description of tasks, name of service provider and costs, or include copies of the invoices for services. • An outline of planned activities for the coming year. Checklist Instructions The following pages contain maintenance checklists covering most of the needs for the components of your drainage system, as well as for some components that you may not have (you can ignore those that don't apply to your system). Let us know if there are any components of your drainage system that you do not recognize or are missing from these pages. 3 You should plan to complete a check for all system components on the following schedule, as per the "How Often"column in the checklists: • (M) Monthly from October through April. • Annually, once in late summer(preferably September) • (S) Storm-based, after any major storm (use 1 inch in 24 hours as a guideline). Using photocopies of these checklists and the log sheet, check off the problems that you look for each time you do an inspection. Add comments regarding problems found and actions taken on the log sheet. Keep the completed forms in your files for future reference. You may call the City of Yelm at (360) 458-8406 for technical guidance. Please do not hesitate to call, especially if you are unsure whether a situation you have discovered may be a problem. Resource Listing If you are unsure whether a problem exists, please contact the City at the number below and ask for technical assistance with your situation. Other resources are listed for your convenience and as references associated with the checklists. Yelm Public Works Department (360)458-8406 www.ci.yelm.wa.us/ Thurston County Environmental Health Hazardous Waste Disposal (oil, paint, pesticides, etc.) (360) 754-4111 www.co.thurston.wa.us/health/ehhw/hwprevent Solid Waste Disposal (yard waste, construction waste, contaminated soils, etc.) (360) 786-5136 www.co.thgrston.wa.u5/healthiehhw/index WSU Thurston Co. Extension (Water Resource Ed. Programs, Envir. Stewardship info.) (360) 786-5445 http://thurston.wsu.edu/water/ Developer Information: Mountain Terrace Builders, LLC. 14730 SR 507 Yelm, WA 98597 Engineer's Information: Olympic Engineering, Inc. PO Box 12690 Olympia, WA 98508 (360) 705-2474 www.olyenci.com 4 Log Sheet Use copies of this log sheet to keep track of when maintenance checks occur and what items, if any, are repaired or replaced. The completed sheets will serve as a record of past maintenance activities and will provide valuable information on how your facilities are operating. Keep all log sheets in a designated area so others can easily access them. Location! e , Checked By: Name: J /20 Andress: Phone: City: Zip: [ } FacQUIX and Observations Follow un Qg Component Checked (List things that Actions Taken Action Taken should be done) 5 Maintenance Checklist for Detention Ponds and Wetponds Drainage Systems Conditions that Shall Frequency Feature Problem Conditions to Check For Exist M'S General Trash and Dumping ofyard wastes Remmve trash and debris Debris buildup such as grass clippings and and dispose of in pond. branches into basin. Unsightly accurrnilation of nondegradable materials such as glass,plastic,metal, foam and coated paper. M'S Trashrack Bar screen over outlet nmre Replace screen Remove plugged or than 25%covered by debris trash and debris and dispose missing or missing. as prescribed by City Waste Management Section M Poisonous Any poisonous vegetation Remove poisonous Vegetation which rmyconstitute a vegetation Do not spray hazard to the public. chemicals on vegetation Examples ofpoisonous without obtaining guidance vegetation include:tansy fromthe County. ragwort,poison oak, stinging nettles, devnlschrb. M'S Fire hazard or Presence ofcherrricaIs such Find sources ofpollution pollution as natural gas,oil,and and eliminate them Water gasoline, obnoxious color, is free from noticeable odor,or sludge rated. color,odor,or contanmnation M Vegetationnot For grassyponds,grass For grassyponds, growing or is cover is sparse and weedy selectively thatch,aerate, overgrown or is overgrown and reseed ponds. Grass cuing unnecessary unless dictated by aesthetics. Contact the Thurston County Noxious Weed program for direction on invasive species such as purple loosestrife and reed canarygrass. Pondbottonr shall have uniform dense coverage of desired plant species. M Rodent Holes Ifthe facility is constructed Rodents destroyed and dam with a dam orb en-A look or bermrepained. Contact for rodent holes or any the TlnarstonCounty Pub lie evidence of,%Nater piping Health and Social Services through the dam or berm Department for guidance. M Insects When insects such as wasps Insects destroyed or and hornets interfere with rermved from site. Contact maintenance activities,or Cooperative Extension when mosquitoes become a Service for guidance. nuisance. 6 Drainage Systems Conditions that Shall Frequency Feature Problem Conditions to Check For Exist A Tree Growth Tree growth does not allow Trees do not hinder nrnintenance access or maintenance activities. interferes with maintenance Selectively cultivate trees activity(ie.,slope mowing, such as alders for firewood. silt rermval,or equipment Remove species that are not movements). Iftrees are part of recorded planting not interfering with access, p lam leave trees alone. M Side Slopes Erosion on Check around inlets and Find causes of erosion and ofPond beans or at outlets for signs oferosion elnninate them Then entrance/exit Check berms for signs of slopes should be stabilized sliding or settling. Action by using appropriate is needed where eroded erosion control measure(s); damage over 2 inches deep e.g.,rock reinforcement, and where there is potential planting ofgrass, for contirnmed erosion. compaction. M Storage Sedirmnnt Accumnmlated sediment that Sediment cleaned out to Area buildup in pond exceeds 10 percent of the designed pond shape and designed pond depth depth;pond reseeded if Buried or partially buried necessaryto control outlet structure probably erosion indicates significant sediment deposits. A Pond Dikes Settlements Any part of dike which has Dike is built back to the settled 4 inches lower than design elevation the design elevation A Emergency Rock Missing Only one layer ofrock Replace rocks to design Overflow/ exists above native soilin standards. Spillway area 5 square feet or larger, or arryexposure ofnative soil. A Wet Pond Pernnrent Check that pond has a A permanent water vohmne Water Vohmrne pentnanent water vohm w is necessary to provide and does not drain between water qualitytreatment If stonxnevents. no water volume,pond lining needs to be evahmated. One time Emergency Overflow Side ofpond has no area Contact County for Overflow/ Missing with large rocks to handle guidance. Spillway emergency overflows. Ifyou are unsure whether a problem exists,please contact The City of Yehn and ask for technical assistance. W=Ammal(March or April preferred) M=Mord Ay(see schedule) S=Affer n*jor storms 7 Maintenance Checklist for Catch Basins and Inlets Drainage Systems Conditions that Shall Frequency Fbature Problem Conditions to Check For Exist M,S General Trash and Debris Trash debris,and sediment No trash or debris located in or on basin immediately in front of catch basin opening. Grate is kept clean and allows water to enter. M Sediment or debris(in the No sediment or debris in basin)that exceeds 1/3 the the catch basin Catch depth(1-ft minirrnun basin is dug out and clean storage remaining)from the bottom ofbasin to invert ofthe lowest pipe into or out ofthe basin M'S Trash or debris in any inlet Inlet and outlet pipes free or outlet pipe blocking of trash or debris. more than 1/3 ofits height. M Structural Comer offrame externs Frame is even with curb. Damage to Frame rmre than 3/4 inch past and/or Top Slab curb face into the street(if applicable). M Top slab has holes larger Top slab is free ofholes than 2 square inches or and cracks. cracks wider than 1/4 inch (intent is to make sure no material is running into basin). M Frame not sitting flush on Frame is sitting flash on top slab,ie.,separation of the riser rings or top slab mrnre than 3/4 inch ofthe and firmly attached. frame from the top slab. Frame not securely attached. A Cracks in Basin Cracks wider than 1/2 inch Basin replaced or repaired Walls/Bottom and longer than 3 feet,any to design standards. evidence ofsoilparticles Contact a professional entering catch basin engineer for evaluation. through cracks,or maintenance personjudges that stricture is unsound. A Cracks wider than 1/2 inch No cracks more than and longer than 1 loot at 1/4 inch wide at the j oint of the joint ofarry inlet/outlet inlet/outlet pipe. pipe or any evidence ofsoil particles entering catch basin through cracks. 8 Drainage Systems Conditions that Shall Ftequency Feature Problem Conditions to Check For Exist A Settlement/ Basin has settled more than Basin replaced or repaired Misalignment 1 itch or has rotated more to design standards. than 2 inches out of Contact a professional aligrnment engineer for evalwtion. A Illicit discharges Look fnr connections from No connections to Catch to Catch Basin adjacent businesses, Basins are allowed that are residences that are not part not part ofthe approved ofdrainage plan If plans or authorized by detected identify source of permit from The City of connection and notify the Yelm City of Yehn M Vegetation Vegetation growing across No vegetation blocking and blocking more than 10 opening to basin. percent of the basin opening. M Vegetation Vegetation growing in No vegetation or root inlet/outlet pipe joints that growthpresent. is more than 6 inches tall and less than 6 inches apart. Ifyou are unsure whether a problem exists,please contact The City ofYehn and ask for technical assistance. R�%Y: A=Annual(March or April preferred) M=Monthly(see schedule) S=A$er major storms 9 Maintenance Checklist for Energy Dissipaters Drainage Conditions to Check Conditions that Shall Frequency Systems Feature Problem For Exist A Rock pad Missing or Only one layer ofrock Replace rocks to design moved rock exists above native soil standard. in area 5 square feet or larger,or any exposure ofnative soil A Rock pad Vegetation Vegetation growth in Remove vegetation and around dispersion growth and plants that pad area prevents are not part of approved proper inspection or plartingplan interferes with flows. A Rock-filled trench Missing or Trench is not full of Add large rock(-30 Is for discharge from moved rock rock. each)so that rock is Pond visible above edge of trench M Dispersiontrench Pipe phigged Accumulated sediment Pipe cleaned/flushed. with sediment that exceeds 20%ofthe design depth M Perforations Over 1/2 ofperforations Clean or rep lace plugged in pipe are plugged with perforated pipe. debris and sediment. M,S Not discharging Visual evidence of Trench mist be rebuilt or water properly water discharging at redesigned to standards. concentrated points Pipe is provably plugged along trench(under or damaged and needs normal conditions,there replacement. should be a`sheet flow" of water along trench) Intent is to prevert erosion damage. M'S Water flows out Maintenance person Facility nust be rebuilt top of observes water flowing or redesigned to `distributor" out during any storm standards. Pipe is catchbasin less thanthe design probably plugged or storm or it is causing or damaged and needs appears likely to cause replacement. damage. M'S Receiving area Water in receiving area Stabilize slope with grass over-saturated is causing or has or other vegetation,or potential ofcausing rock ifcondition is landslide. severe. A Gabions Damaged mesh Mesh ofgabionbroken, Mesh is intact,no rock twisted or deformed so missing, structure is weakened or rock may fall out. 10 Drainage Conditions to Check Conditions that Shall Frequency Systems Feature Problem For Exist A Corrosion Gabionmeshshows All gabionmeshcapable corrosion through more of containing rock and than 1/4 of its gage retaining designed form A Collapsed or Gabion basket shape All gabion baskets intact, deformed defcrnrd due to any structure stands as baskets cause. designed. A Missing rock Any rock missing that No rock missing. could cause gabionto Those sttucturalintegrity A Manhole/Chamber Wornor Structure dissipating Structure is inno danger damaged post, flow deteriorates to% of fit Aiug. baffles or side of oforiginal size or any chamber concentrated worn spot exceeding one square foot whichwould nuke structure unsound. A Darnage to wall, Cracks wider than V2- Manhole/chamber is frame,bottom inch or any evidence of sealed and structurally and/or top slab soil entering the sound. structure through cracks.Or niaintenarice inspection personnel determine that the structure is not structurally sound. A Damaged pipe Cracks wider than%r No soil or water enters joints. inch at the joint ofthe and no water discharges inlet/outlet pipes or any at the joint ofinlet/outlet evidence of soil pipes. entering the structure at the joint ofthe inJet/outlet pipes. Ifyou are unsure whether a problem exists,please contact The City of Yehn and ask for technical assistance. Key• A=Arnuml(March or April preferred) M=Monthly(see schedule) S=A ffer major stomps 11 Maintenance Checklist for Fencing Drainage Systems Conditions that Shall Frequency Feature Problem Conditions to Check For Exist M General Missing or broken Any defect in the fence or Fence is trended or shrubs parts/dead screen that pennits easy replaced to form a solid shrubbery entry to a facility. barrier to entry. M'S Erosion Erosion has resulted in an Replace soilunder fence so opening under a fence that that no opening exceeds 4 allows er&yby people or inches in height. pets. M Unruly Shrubbery is growing out Shrubbery is trimtred and Vegetation of control or is infested weeded to provide with weeds. appealing aesthetics. Do not use chemicals to control weeds. A Wire Damaged Parts Posts out ofplumb tmre Posts phurb to within Fences than 6 inches. 1.5 inches ofplutrb. A Top rails bent more than 6 Top rail free ofbends inches. greater than 1 inch A Any part offence Fence is aligned and nets (including posts,top rails, design standards. and fabric)more than 1 foot out ofdesign alignment. A Missing or loose tension Tension wire in place and wire. holding fabric. A Missing or loose barbed Barbed wire inp1lace with wire that is sagging more less than 3/4 inch sag than 2.5 inches between between posts. posts. A Extension annmissing, Extension arm in place broker,or bent out of with no bends larger than shape more than 1.5 inches. 3/4 inch A Deteriorated Paint Part or parts that have a Structurally adequate posts or Protective rusting or scaling condition or parts with a unifi nin Coating that has affected structural protective coating. adequacy. M Openings in Openings in fabric are such No openings in fabric. Fabric that an 8-inch diameter ball could fit through Ifyou are unsure whether a problem exists,please contact The City ofYehn and ask for technical assistance. AAnnual(March or Aprilpreferred) M=Monthly(see schedule) S=Afler major stones 12 Conveyance Pipes and Ditches Drainage Systems Frequency Feature Problem Conditions to Check For Conditions that Shall Exist M'S Pipes Sediment& Accurnrlated sediment that Pipe cleaned ofallsediment Debris exceeds 20%ofthe and debris. diameter ofthe pipe. M Vegetation Vegetation that reduces All vegetationrermved so free movement ofwater water flows freely through through pipes. pipes. A Damaged Protective coating is Pipe repaired or replaced. (nested,bert,or damaged,rust is causing crushed) nrore than 50% deterioration to any part of pipe. M Any dent that significantly Pipe repaired or replaced inpedes flow(ie. decreases the cross section area ofpipe bymore than 20%) M Pipe has major cracks or Pipe repaired or replaced. tears allowing groundwater leakage. M,S Open ditches Trash&debris Dumping ofyard wastes Remove trash and debris such as grass clippings and and dispose as prescribed by branches into basin solid waste regulations. Unsightly accurnulation of nondegradable materials such as glass,plastic, meta],foamand coated paper. M Sedirrnt Accumulated sediment that Ditch cleared ofall sediment buildup exceeds 20%oftbe design and debris so that it snatches depth design A Vegetation Vegetation(e.g.weedy Water flows freely through shrubs or saplings)that ditches.Grass vegetation reduces free movements of should be left alone. water through ditches. M Erosion on Check around inlets and Find causes oferosion and outlets for signs oferosion elininate them Then slopes Check bein-B fir signs of should be stabilized by sliding or settling. Action using appropriate erosion is needed where eroded controlrneasure(s);e.g., damage over 2 inches deep rock reinforcement,planting and where there is potential of grass,corrpaction for continued erosion 13 Drainage Systems Frequency Feature Problem Conditions to Check For Conditions that Shall Exist A Rock li>i%out Maintenance person can Replace rocks to design ofplace or see native so>Xbeneaththe standard. missing(if rock lining. applicable) Ifyou are unsure whether a problem exists,please contact The City ofYelm and ask for technical assistance. A=AmLml(March or Aprilpreferred) M=Mori ft(see schedule) S=Affer maj or storms 14 Maintenance Checklist for Grounds (Landscaping) Drainage Systerns Conditions that Shall FFt�equency Feature Problem Conditions to Check For Exist M General Weeds(non Weeds growing in more Weeds present in less than poinsonous) than 20%ofthe landscaped 5%of the landscaped area. area(trees and shrubs only) M Safety hazard Any presence ofpoison No poisonous vegetation or ivy,poison oak or other inspect nests present in poisonous vegetation or landscaped area. insect nests. 11,5 Trash or litter Trash/debris exceeds 5 Remove/dispose ofwaste cubic feet(this is about in accordance with solid equalto the amount of waste regulations. trash in one standard garbage can)per 1,000 square fret. In general there should be no evidence of visual dumping. M'S Erosion ofground Noticeable rills are seen in Causes oferoslon are surface landscaped areas. identified and steps taken to slow down/spread out the water.Eroded areas are filled,contoured,and seeded. A Trees and Damage Limbs or parts of trees or Trimtrees/slmibs to restore shrubs shrubs that are split or shape.Replace trees/shrubs broken which affect more with severe damage. than Z5%ofthe total foliage of the tree or shrub. M Tree or shrubs that have Replant tree,inspecting for been blown down or injury to stem or roots. knocked over. Replace ifseverely damaged. A Tree or shrubs which are Place stakes and rubber- not adequately supported coated ties around young or are leaning over,causing trees/shrubs for support. J exposure ofthe roots. M,S Shoulders Erosion damage Erosion within 1 foot of the Shoulder free of erosion and ditches roadway more than 8 and notching the inches wide and 6 inches surrounding road. deep Ifyou are unsure whether a problem exists,please contact The City ofYelm and ask for technical assistance. r: Arn=l(March or April preferred) M=Monthly(see schedule) S=After major storms 15 u � � \< )/ 9� § \ \ , • , } \ 4 , \ •"/ .� - ~ } § � " / \ -�� -- - --�--�-----� .� d w Uil \ ~ � \ \ ! � ■ � � � § § § ] � § ERR \ \ \ 2¥/K| o \ D . 16 Glossary of Stormwater Terms Best Management Practices (BMPs) — structural features or procedures that reduce the adverse impacts of development on the quantity and/or quality of runoff water. Biofilter (Swale) — A wider and flatter vegetated version of a ditch over which runoff flows at a uniform depth and velocity. Biofilters perform best when vegetation has a thick mat of roots, leaves,and stems at the soil interface(such as grass). B iofiltration—The process through which pollutant concentrations in runoff water are reduced by filtering runoff through vegetation. Buffer—The zone along a sensitive area that provides protection and stability for the area's functioning. As an integral part of a stream or wetland ecosystem,the buffer provides shading,slope and bank stabilization, and input of organic debris and coarse sediments to streams. It allows room for variation in aquatic system boundaries (due to hydrologic or climatic effects), attenuation of surface water flows from precipitation and stormwater runoff, habitat for wildlife, and protection from harmful disturbance or intrusion by humans or domestic animals. Catch Basin —An inlet box set into the ground, usually rectangular and made of concrete, capped with a grate that allows Stormwater to enter. A sump in the bottom catches sediment. Check Dam —A dam (of rock, logs,etc.)built in a gully or drainage channel to reduce flow velocity, minimize erosive scouring, promote sediment deposition,and/or enhance infiltration. Compost Stormwater Filter — A treatment facility that removes sediment and pollutants from stormwater by percolating water through a layer of specially-prepared Bigleaf maple compost. Clean water exits the bottom of the facility through a pipe, while stormwater flows in excess of the facility design overflow the compost bed and bypass the facility. Constructed Wetland—A wet pond with dead storage at various depths and planted with wetland plants to enhance its treatment capabilities. Control Structure or Flow Restrictor— A manhole and/or pipe structure with a flow- regulating or metering device such as a weir or plates with small holes known as orifices. The structure controls the rate at which water leaves the pond. Conveyance— A mechanism or device for transporting water, including gutters, pipes, channels (natural or man-made), culverts, manholes, etc. Critical Areas— Areas such as wetlands, streams, steep slopes, etc., as defined by ordinance or resolution by the jurisdiction. Also known as environmentally-sensitive areas. Culvert—A conveyance device(e.g. concrete, metal or plastic pipe) which conveys water from a ditch,swale, or stream under(usually across)a roadway, driveway or embankment. Dead Storage — The volume of storage in a pond below the outlet which does not drain after a storm event. This pool provides treatment of the stormwater by allowing sediments to settle out. 17 Detention Facility— A facility (e.g. a pond, vault, or pipe) in which surface water or stormwater is temporarily stored. Detention Pond — A detention facility in the form of an open pond. Dispersion Trench - An open-top trench filled with rip rap or gravel that takes the discharge from a pond,spreads it out, and spills (bubbles)the Flow out along its entire length. Dispersion trenches are used to simulate"sheet flow"of stormwater from an area, and are often used to protect sensitive areas. Drainage System — A combination of facilities for the collection,conveyance,containment, treatment,discharge and/or disposal of stormwater runoff. Drop Structure— A structure for dropping water to a lower elevation and/or dissipating energy. A drop may be vertical or inclined. Dry Pond — A detention facility that drains completely after a storm. This type of pond has a pipe outlet at the bottom. Easement— A legal encumbrance placed against a property's title to reserve access. Drainage easements typically provide access to pipes and/or ponds, and are generally 15 to 20 feet wide. Emergency Overflow or Spillway—An area on the top edge of a pond that is slightly lower in elevation than areas around it, and is normally lined with riprap for erosion protection. The emergency overflow is used only if the primary and secondary outlets of the pond fail, in the event of extreme storms, or if the infiltration capability of the pond becomes significantly diminished. If the emergency overflow ever comes into play, it may mean that the pond needs to be upgraded. Energy Dissipater— A rock pad at an outlet(of a pipe,channel,etc.) designed to slow the flow velocity, spread out the water leaving the outlet, and reduce the potential for erosion. Freeboard — The vertical distance between the design high water mark and the top of a pond (or other structure). Most ponds have one to two feet of freeboard to prevent them from overflowing. Infiltration —The soaking of water through the soil surface into the ground (percolation is essentially the same thing). Many ponds are designed to infiltrate or retain stormwater, and thus do not have a regularly used discharge pipe. Infiltration Facility (or Structure) — A facility(pond or trench)which retains and percolates stormwater into the ground, having no discharge(to any surface water) under normal operating conditions. Junction — Pant where two or more drainage pipes or channels converge(e.g. a manhole). Jurisdiction — City of Yelm(as applicable). 18 Lined Pond or Conveyance—A facility,the bottom and sides of which have been made impervious (using,for example,a plastic liner or clay/silt soil layer)to the transmission of liquids. Live Storage — The volume of storage in a pond above the outlet,which drains after a storm event. This storage capacity provides flood control and habitat protection for nearby streams. Manhole— A larger version of the catch basin, often round with a solid lid. Manholes allow access to underground pipes(such as storm sewers)for maintenance. Natural Channel— A stream,creek, river, lake, wetland, estuary,gully, swale,ravine, or any open conduit where water will concentrate and flow intermittently or continuously. Oil-Water Separator — A structure or device used to remove oil and greasy solids from water. They operate by using gravity separation of liquids that have different densities. Many catch basins have a down-turned plastic elbow that provides some oil-water separation. OutfalI — The point where water flows from a man-made conduit,channel,or drain into a water body or other natural drainage feature. Retention Facility— A facility that is designed to retain water and allow for infiltration. Retention Pond — A retention facility that is an open basin or"pond." Revetments— Materials such as rock or keystones used to sustain an embankment, such as in a retaining wall. Riprap— Broken rock,cobbles,or boulders placed on earth surfaces, such as on top of a berm for the emergency overflow,along steep slopes, or at the outlet of a pipe,for protection against the erosive action of water. Also used for entrances to construction sites,to prevent sediment tracking. Runoff— The portion of water originating as precipitation that becomes surface flow. See "stormwater'below. Sand Filter— A treatment facility that removes pollutants and sediments from stormwater by percolating stormwater through a layer of sand. Clean water exits the bottom of the facility through a pipe. Stormwater—The portion of precipitation that falls on property and that does not naturally percolate into the ground or evaporate,but flows via overland flow, interflow, pipes or other features into a defined surface water body or a constructed infiltration facility. Stormwater includes wash-down water and other wastewater that enters the drainage system. Swale—A shallow surface drainage conveyance with relatively gentle side slopes,generally with flow depths less than 1 foot Essentially a broad, flat-bottomed ditch. See"biofilter." 19 Trash Rack or Bar Screen —A device(usually a screen or bars)that fits over a pipe opening to prevent large debris such as rocks or branches from entering and partially blocking the pipe. Wet Pond —A stormwater treatment pond designed with a"dead storage"volume to maintain a continuous or seasonal static water level below the pond outlet elevation. 20 Attachment 'B' POLLUTION SOURCE CONTROL PROGRAM for FAIRWAY ESTATES Prepared by: OLYMPIC ENGINEERING PO Box 12690 Olympia WA 98508 360.705.2474 360.705.2443 fax www.olyeng.com Table of Contents IMpuwcn ON............. ............................................................................................................................1 ABCUTTHISMANUAL...................................................................................................._.........._...................1 BEST MANAGEMENT PF4TICIB...WHATAFETHEY?.................................................................................1 WHATSINTHISMANUAL?...........................................................................................................................2 General Principles of Pollution Prevention...................................................................................................3 Best Management Practices for Snye Family Residences...........................................................................7 AutomobileWashing.................................................................................................................................8 AutomobileMaintenance.........................................................................................................................9 Storage of Solid Wastes and Food Wastes.............................................................................................10 Composting .........................................................................................................................................11 YardMaintenance and Gardening..........................................................................................................12 Swimming Fbol and Spa Cleaning and Maintenance..............................................................................14 Household Hazardous Material use, Sorage and Disposal....................................................................19 PetWaste Management.........................................................................................................................20 INTRODUCTION ABOUT THIS MANUAL The City ofYelm's water resources—its streams, lakes, wetlands, groundwater, and Puget Sound — play an important role in the quality of life we enjoy. They provide in with recreation and drinking water, support tourism and salmon and are used by industry. These waters, however, are vulnerable to pollution from a wide variety ofhuman activitks. This manual applies to those residential properties and activities that have the potential to contribute poIli tants to stormwater runoff or directly to receiving waters. Stormwater runoff may seep into the ground, drain to a stone drain or a drainage ditch, or flow over the ground. Regardless of the way runoff leaves your site, it ends up in a stream river, lake,wetland, groundwater or Puget Sound. Contaminated stormwater can negatively affect every water body it enters. Therefore, this manualprovides detailed information on what you can do to reduce the contamination of surface water, groundwater, and stonnwater from your property. Many of our water pollution problems are due in large part to pollutants washed off the land by stones. The quality of "stormwater" from residential properties is an increasing concern nationwide. Many people believe that stormwater is "clean" and does not harm water quality. This perception is understandable since the amount ofpollAion from any one place is not usually significant by itself But when all these small amounts are combined, they can cause significant pollution problems. The federal Clean Water Act mandates that cities and counties control the quality of stormwater runof. One way to achieve this is to implement pollution prevention measures on individual properties. By following the "Best Management Practices"described in this manual you can do your part to protect our streams, groundwater, and Puget Sound. BEST MANAGEMENT PRACTICES ... WHAT ARE THEY? Best Management Practices (BMPs)are a set of activities designed to reduce stormwater pollution. BMPs are separated into two broad categories:source control and treatment. Source Control BMPs Source control BMPs prevent contaminants from entering stormwater nmoff by controlling them at the source. Some source control BMPs are operational, such as checking regularly for leaks and drips from equipment and vehicles, covering materials that have potential to add pollutants to surface water if rainwater comes in contact with the materials, cleaning up pet waste, and minimizing use of pesticides, fertilizers, and insecticides. Other source control BMPs require use of a structure to prevent rainwater from contacting materials that will 1 contaminate stonnwater runoff such as provide a covered area or berm to prevent clean stormwater from entering work or storage areas. Source control BMPs prevent contaminants from entering stormwater by controlling them at the source. Treatment BMPs In contrast, treatments BMPs are structures that treat stormwater to remove contaminants. Treatment BMPs typicaly require elaborate planning, design and construction. A stormwater pond for your subdivision is an example of a treatment BMP. No treatment BMP is capable of removing 100 percent of the contaminants in stormwater and the less contaminants in the stormwater prior to the treatment BMP,the more effective the BMP is. Also remember that,just because there is a stormwater collection system where you live, k does not necessarily mean that the stormwater is treated. Many developments were created prior to requirements to treat stormwater. The rnmofffrom your property may go directly or indirectly to a stream or wetland without any treatment. Keep in mind that runoff from your property may go directly or indirectly to a stream or wetland without any treatment. This manual will focus on source control BMPs applicable to the routine practices of most owners ofa single family residence. WHAT'S IN THIS MANUAL? The manual is divided into three sections as follows: Introduction • General Principles of Pollution Prevention • Best Management Practices for Single-Family Residences 2 General Principles of Pollution Prevention There are 15 general principles of pollution prevention that every homeowner should consider. This section describes simple pollution prevention principles that every homeowner should consider. Most of these are cointnon sense, "housekeeping"types of solutions. With collective action by individuals throughout the county in implementing these principles, the improvement in water quality can be substantial There are 15 general principles of pollution prevention 1. Avoid the activity or reduce its occurrence Avoid potentially polluting activity or do it less frequently, especially if it takes place outdoors. Apply lawn care chemicals following directions and only as needed. Do not apply herbicides right before it rains. 2. Move the activity indoors Move a potentially polluting activity indoors out of the weather. This prevents runoff conta.inination and provides more control for a cleanup if a spill occurs. For example unload and store chemicals inside a garage area or shed instead of outside. Be safe and ensure any storage area is wellventilated and required building and fire code requirements are met. 3. Cleanup spills quickly Promptly contain and cleanup solid and liquid pollutant leaks and spills on any exposed soil, vegetation, or paved area. Use readily available absorbents such as kitty litter to absorb spills and then sweep up the material and dispose of it in the garbage. Promptly repair or replace leaking connections,pipes, hoses,valves, etc. on vehicles and equipment you own 4. Use less material Don't buy or use more material than you really need. This not only helps keep potential disposal, storage and pollution problems to a minimum, but will probably save you money too. 5. Use the least toxic materials available Investigate the use of materials that are less toxic. For example, replace a caustic-type detergent or solvent with a more environmentally friendly product. Even ifyou do switch to a biodegradable product, remember that only uncontaminated water is allowed to enter the stormwater drainage system 3 Remember that only uncontaminated water is allowed to enter the stormwater drainage system. 6. Create and maintain vegetated areas near activity locations Vegetation can filter pollutants out of stormwater. Route stormwater from parking and work areas through vegetated areas. Remember that wastewater other than stormwater runof, such as wash water, must be discharged to a wastewater collection system (sewer or septic system), and may not be discharged to a storm drainage system. 7. Locate activities as far as possible from surface drainage paths Activities located as far as possible from known drainage paths such as ditches, streams, other water bodies, and storm drains will be less likely to pollute, s ince it will take longer for material to reach the drainage features. This give more time to react to a spill, or if it is a "housekeeping" issue, may protect the local waters long enough for you to cleanup the area around the activity. Don't forget that groundwater protection is important throughout the City of Yehn, no matter where the activity is located, so the actions you take on a day-to-day basis area always important, even in dry weather. Don 't forget that groundwater protection is important throughout the City of Yelm. 8. Maintain stormwater drainage systems Pollutants can concentrate over time in storm drainage facilities such as catch basins, ditches, and storm drains. When a large stone event occurs, turbulent runoff can mobilize these pollutants and carry them to receiving waters. By performing regular maintenance on stormwater facilities located on your property you can prevent this from occurring. Also repair or replace cracked or otherwise damaged pavement in parking areas and any other drainage areas that are subject to pollutant material leaks or spills. 9. Reduce, reuse, and recycle as much as possible Look for ways to recycle instead of just disposing. This saves money and keeps hazardous and non hazardous materials out oflandfi7ls. Contact Pacific Disposal at(360)923-0111 for more infonmtion on recycling opportunities. 4 10. Be an advocate for stormwater pollution prevention Help friends, neighbors, and business associates find ways to reduce stormwater pollution in their activities. Most people want clean water and do not pollute intentionally. Share your ideas and the BMPs in this manual to get them thinking about how their everyday activities a$ect water quality. 11.Report problems We all must do our part to protect water, fish, wildlife, and our own health by implementing proper BMPs, and reporting water quality problems that we observe. Call the Water Resources Division of the Public Works Department at(360) 491-5600 to report dumping to storm drains or ditches. 12. Provide oversight and training Talk to the members of your family, or if you are a landlord talk to your tenants, to ensure they understand the pollution prevention source control measures and BMPs described in this manual If you are a landlord monitor the activities of your tenants to ensure that they are carrying out the principles of this manual 13.Dust control Sweep paved parking and storage areas regularly to collect and dispose of dust and debris that could contaminate stormwater. Do not hose down pollutants from any area to the ground, stone drain, conveyance ditch or any receiving water (stream, wetland, lake, etc.). Do not use used oils or other petroleum products for dust control Volumes ofwater used for light watering for dust control of dirt driveways or gravel roads should be conducted to prevent any runoff of stonnwater from the surface. Do not hose down pollutants from any area to the ground, storm drain, conveyance ditch or any receiving water (stream, wetland, lake, etc) 14.Elinrinate illicit connections A common problem with the stormwater drainage system for most communities is the existence of illicit connections ofwastewater to the storm drainage system. Many businesses and residences have internal building drains, sump overflows, sump pumps, garage and outdoor sinks and showers, and even sanitary sewer and septic system pipes that were inadvertently connected to the nearby storm drainage system in the past. Examine the plumbing system for your home to determine if Rhcit connections exist. Any time it is found that toilets, sinks, appliances, showers and bathtubs, fbor drains, industrial 5 process waters, and/or other indoor activities are connected to the stormwater drainage system; these connections must be iminediately rerouted to the sanitary or septic system, holding tanks, or process treatment system. For assistance in methods to detect and eliminate illicit connections contact the Water Resources Division at(360)491-5600. 15.Dispose ofwaste properly Every business and residence in the City of Yelm must dispose of solid and liquid wastes and contaminated stoimwater properly. There are generally four options for disposal depending on the type ofmaterials. These options include: • Sanitary sewer and septic systeins. • Recycling facilities • Municipal solid waste disposalfaci�ies • Hazardous waste treatment, storage and disposalfacilities. Every business and residence in the City of Yelm must dispose of solid and liquid wastes and contaminatedstormwater properly. 6 Best Management Practices for Single Family Residences Stormwater goes directly to our groundwater, lakes, streams, and to Puget Sound. It does not go to the wastewater treatment plant. The actions we take each day in and around our homes have a profound effect on surface water quality and fish habitat. Stormwater goes directly to our groundwater, lakes, streams, and to Puget Sound. It does not go to the wastewater treatment plant. Any pollutants that get into the stormwater go directly to surface or groundwater. Small amounts of pollution from many different sources can significantly affect our waterways. Stormwater BMPs discussed in this section are practical ways to keep stormwater from becoming polluted in the fast place. It is reconummended that all residents in the City of Yelm use these BMPs. Please note that some of these procedures are required by various state, or city laws, and are noted as required BMPs. This section provides a general list of activities typically conducted by home owners and describes the BMPs that may be required or recommended to prevent stormwater pollution. The list includes brief information on applicability. More detailed information for the BMPs described in this section can be found in the Washington State Department of Ecology Stormwater Management Manual for Wester Washington, Volume IV, or by contacting the Public Works Department at (360) 458-8406. BMPs for the following activities are described in this section_ I. Automobile Washing 2. Automobile Maintenance 3. Storage ofSolld Wastes and Food Wastes 4. Composting S. Yard Maintenance and Gardening 6. Sivimrning Pool and Spa Cleaning and Maintenance 7 Household Hazardous Material use,Storage and Disposal 8. Pet Waste Management 7 Auto mobile Washing Many residents wash their cars in the driveway or on the street. Wash waters typically flow to a storm drain or ditch, which discharges stormwater directly to the underlying groundwater or to the nearest stream, lake, or Puget Sound. Soaps and detergents, even the biodegradable ones, can have immediate and long-term effects on aquatic life in water bodies. The grime washed off the car also contains a variety ofpollutants that can harm fish and wikih&. Suggested BMPs At Home: • Wash your car directly over your lawn or make sure the wash water drains to a vegetated area. This allows the water and soap to soak into the ground instead of running off into a local water body. • Ideally, no soaps or detergents should be used, but X you do use one, select one without phosphates. • Commercial products are available that allow you to clean a vehicle without water. These were developed for areas where water is scarce, so a water saving beneft is realized, as well as reduced polhrtion. • Use a hose nozzle with a shut-offvalve to save water. • Do not wash your car ifrain is eNpected. • Pour the bucket of soapy, dirty wash water down your sink. This way the water doesn't pollute surface water. Instead,it's treated at the wastewater treatment plant or by your septic system Away from Home: • Consider not washing your car at home. Take it to a commercial car wash that has a recycle system and discharges wastewater to the sanitary sewer for treatment. 8 Automobile Maintenance Many of us are `weekend mechanics". We enjoy the cost savings of changing our own oil and antifreeze, topping o$the battery with water, and generally making our car perform its' best. There is a lot of potential for stormwater pollution associated with these activities; however, the following BMPs will help you minimize pollution while servicing your car, truck,van, or RV. Required BMPs • Recycle all oils, antifreeze, solvents, and batteries. Many local car parts dealers and gas stations accept used oil and off filters. The Household Hazardous Waste facilities at the Thurston County Waste and Recovery Center accept oil,oil Oters,antifi-eeze, and solvents. • Never dump new or used autormtive Adds or solvents on the ground, in a storm drain or street gutter, or in a water body. Eventually, it will make its way to local surface waters or groundwater, including the water we drink. • Do not mix wastes. The chbrinated solvents in some carburetor cleaners can contaminate a huge tank of used oil, rendering k unsuitable for recycling. Always keep your wastes in separate containers which are properly labeled and store them out ofthe weather. Never dump new or used automotive fluids or solvents on the ground, in a storm drain or street gutter.. Suggested BMPs • Fix allleaks,to keep the leaky nraterial off streets and out ofsurface water. • To dispose of oil filters, punch a hole in the top and let drain for 24 hours. This is where a large firmel in the top of your oil storage container will come in handy. After draining, wrap in 2 layers of plastic and dispose of in your regular garbage or recycle by taking it to the Thurston County Waste and Waste and Recovery Center. • Use care in draining and collecting antifreeze to prevent accidental spills. Spilled antifreeze tastes sweet and can be deadly to animals that ingest it. • Perform your service activities on concrete or asphalt or over a plastic tarpaulin to make spill cleanup easier. Keep a bag of kitty litter on hand to absorb spills. If there is a spill, sprinkle a good layer on the spill, let it absorb for a little while and then sweep it up.Place the contaminated litter in a plastic bag, tie it up, and dispose of it in your regular garbage. Take care not to leave kitty litter out in the rain,it will forma sticky goop that is hard to clean tip. • If you are doing body work outside, be sire to use a tarpaulin to catch material resulting from grinding, sanding, and painting.Dispose ofthis waste by double bagging in plastic and placing in your garbage. 9 Storage of Solid Wastes and Food Wastes Improper storage of food and solid waste at residences can lead not only to water pollution problems, but problems with neighborhood pets and vermin as well Following the BMPs listed below can help keep your property a clean and healthy place to live. Suggested BMPs • Recycle as notch as you can. City of Yelm residents have access to curbside pickup for yard waste and recyclable materials. Also, look under"recycling"in the phone book for films which take other recyclables. • All waste containers kept outside should have lids. If your lid is damaged, please call Pacific Disposal at(360)923-0111 to get the lid repaired or replaced. • Leaking waste containers should be replaced. Ifyour container is damaged,please call your bcal solid waste hauler. Store waste containers under cover ifpossible, or on grassy areas. • Inspect the storage area regularly to pick up loose scraps of material and dispose of them properly. Purchase products which have the least amount ofpackaging materials. • Compost biodegradable materials such as grass clippings and vegetable scraps instead of throwing them away. Your flowerbeds will love the finished compost, and you'llbe helping to conserve litnited landfill space. Call the City of Yelm Public Works Department at(360) 458- 8406 for rmre information on composting or ir&mration on yard waste collections. See the section on composting for BMPs relating to that activity. • A fun alternative to traditional composting is worm composting. You can let wortrn do all the work for you by keeping a small vem-iculhre box just outside your kitchen. For more information on getting started withworrrts, call the number listed above. 10 Composting Composting is an earth-friendly activity as long as some common sense rules outlined below are followed. Ifyou choose to compost, the following BMPs should be utilized. Suggested BMPs • Compost piles waist be located on an unpaved area where runoff can soak into the ground or be filtered by grass and other vegetation. Compost piles should be located in an area of your yard not prone to water ponding during storms, and should be kept well away from wetlands, streams, lakes, and other drainage paths. • Compost piles must be maintained and turned over regularly to work properly. Large piles of unattended compost may create odor and venrin probloms. • Avoid putting hazardous, inorganic,plastics or metalwaste in the pile. • Cover the compost pie(See Figure)for two reasons: 1. To keep stonravater from washing nutrients into waterways. 2. To keep excess water from cooling the pile—this slows down the rate of decomposition. • Build bins of wood, chicken wire, or fencing material to contain compost so it can't be washed away. • Building a small earthen dike around your compost pile is an effective means of preventing nutrient-rich compost drainage from reaching stormwater paths. Compost piles should be located in an area of your yard not prone to water ponding during storms, and should he kept well away from wetlands, streams, lakes and other drainage paths. 11 Yard Maintenance and Gardening This section deals with the normal yard maintenance activities we aIl perform at our homes. Over watering, over fertilizing, improper herbicide application, and improper disposal of trimnrnings and clippings can all contribute to serious water pollution problems. Following the BWs listed below will help alleviate pollutant runoff Required BMPs • Follow the mnanufacturefs directions exactly for mixing and applying herbicides, fungicides, and pesticides; and use them sparingly. Never apply when it is windy or when rail is expected. Never apply over water, within 100 feet of a well head, or adjacent to streams,wetlands, or other water bodies. Triple-rinse empty containers, using the rinsate for mixing your next batch of spray, and then double-bag and dispose of the empty container in your regular garbage. Never dispose of grass clippings or other vegetation in or near storm drains, streamrn, lakes, or Puget Sound. Suggested BMPs • Use natural organic soil amendments when possible.The excellent soil conditioning properties of the organic matter aid water retention in lighter soils and help to breakup and aerate heavier soils, so roots can grow better and less watering is needed. It contains both readily available and long term nitrogen and other nutrients commionly lacking in Northwest soils. The slow release of nitrogen better matches the needs ofplants. Thus,there is much less potential for nitrates to leach into surface or groundwater due both to less "excess nitrogen" and less water use. Better vegetative growth can also reduce erosion and runoff. Use natural, organic soil amendments when possible.. The slow release of nitrogen better matches the needs of plants. • Follow manufacturer's directions when applying fertilizers. More is not better, either for your lawn or for local water bodies. Never apply fertilizers over water or adjacent to ditches, streamns, or other water bodies. Remember that organic fertilimrs have a slow release of nitrogen, and less potential to pollute then synthetic fertilizers. • Save water and prevent pollution problems by watering your lawn sensibly. Lawns and gardens typically need the equivalent of 1 inch of rainfall per week. You can check on how you're doing by putting a wide mouth jar out where you're sprinkling, and measure the water with a small plastic viler. Overwatering to the point of runoff can cant'polluting nutrients to the nearest water body. 12 Lawns and gardens typically need the equivalent of 1 inch of rainfall per week.. . Put a wide mouth jar out when sprinkles, and measure the water with a small plastic miler. • Consider planting a vegetated buffer zone adjacent to strearns or other water bodies on your property. Call the Thurston County Conservation District at (360) 754-3588 for advice and assistance in developing a planting plan. The Stream Team program (360) 754-4681 at the Countymay even be able to help you plant it! • Reduce the need for pesticides and fertilisers on lawns by improving the health of the soil Aerating, thatching, and topdressing with compost will improve soil health and help desired grasses compete with weeds and rmss. • Make sine all fertilizers and pesticides are stored in a covered location. Rain can wash the labels off of bottles and convert 50 pounds of boxed fertilizer into either a solid trop or a river of nutrients. • Use a mulching rower and mow higher to improve soil/grass health and reduce or eliminate pesticide use. • Compost all yard clippings, or use them as rrldch to save water and keep down weeds in your garden See Composting section for rare information. Aerating, thatching, and topdressing with compost will improve soil health and help desired grasses compete with weeds and moss. • Practice organic gardening and virtually eliminate the need to use pesticides and fertilizrrs. Contact Thurston County Cooperative Extension at(360)786-5445 for k formation and classes on earth friendly gardening. • Pull weeds instead of spraying and get some healthy exercise, too. If you mist spray, use the least toxic fornmlations that will get the job done. The Master Gardener program listed above can help advise you on which spray to use. • Work fertilizers into the soil instead of letting them lie on the ground surface exposed to the next rain storm. • Plant native vegetation which is suited to Northwest conditions, they require less water and little to no fertilizers and pesticides. • Contact your local waste disposal company for curbside pickup and recycling of yard waste. 13 Swimming Pool and Spa Cleaning and Maintenance Despite the fact that we immerse ourselves in i( the water from pools and spas is far from chemically clean. Nutrients, pH, and chlorine can adversely affect fish and wildlife in water bodies.Following these BMPs will ensure the cleanliness ofyour pool and the environment. Required BMPs • Pool and spa water mist be dechlorinated to 0.1 nVL if it is to be emptied into a ditch or to the stonrnvater drainage system Contact your pool chernical supplier to obtain the neutralizing chemicals you will need. The rate of flow into the ditch or drainage system mist be regulated so that it does not cause problems such as erosion, surcharging, or flooding.Water discharged to the ground or a lawn mast not cross property Fines and must not produce runoff. • If pool and spa water cannot be dechlorinated,it rrnast be discharged to the sanitary sewer. � Prior to draining, your local sewer provider mast be notified to ensure they are aware of the vohame of discharge and the potential effects of chlorine levels. A pool service company can help you determine the frequency ofcleaning and backwash offtlters. • Diatomaceous earth used in poolfilters cannot be disposed of in surface waters, on the ground,or into stormnvater drainage systems or septic system;. Dry it out as much as possible, bag it in plastic, and dispose ofatthe landfill. Suggested BMPs Hire a professional pool s ervice company to collect all pool water for proper disposal Make sure to ask them where they will dispose of it and the kind ofpermits they hold to do so. 14 Household Hazardous Material use, Storage and Disposal Once we really start looking around our houses, the amount of hazardous materials we have on site is a real eye-opener. Oil-based paints and stains, paint thinner, gasoline, charcoal starter fluid, cleaners, waxes, pesticides, fingernail polish remover, and wood preservatives are just a few hazardous materials that most ofus have around the house. When products such as these are dumped on the ground or in a storm drain, they can be washed directly to receiving waters where they can harm fish and wildlife. They can also infiltrate into the ground and contaminate drinking water supplies. The same problem can occur if they are disposed of with your regular garbage; the containers can leak at the landfill and contaminate groundwater. The same type of contamination can also occur if hazardous products are poured down a sink or toilet into a septic system. Don't pour them down the drain if you're on municipal sewers, either. Many compounds can `pass through" the wastewater treatment plant without treatment and contaminate receiving waters, or they can harm the biological process used at the treatment plant,reducing overall treatment efficiency. With such a diversity of hazardous products present in all homes in the City of Yelm, a large potential for serious environmental harm exists if improper methods of storage, usage, and disposal are employed. Using the following BMPs willhelp keep these materials out of our soils, sediments, and waters. Don 't pour them down the drain.. Many compounds can `pass through" the wastewater treatment plant without treatment and contaminate receiving waters. Required BMPs • Hazardous Materials trust be used in accordance with the manufacturer recommendation or guidelines as shown on the label. • Ahvays store hazardous raterials in properly labeled containers, never in food or beverage containers which could be misinterpreted by a child as sonrthing to eat or drink. • Dispose of hazardous materials and their containers properly. Never dump products labeled as poisonous, corrosive, caustic, flammable, inflannnable, volatile, explosive clanger, Learning caution, or dangerous outdoors, in a storm drain, or into sinks, toilets or drains. Call the City of Yelm Public Works Departrnent at (360) 458-8406 for information on disposal methods, collection events, and alternative products. Household hazardous wastes from City of Yelm residents are accepted at the HazoHouse, at the TYnuston County Waste and Recovery Center in Hawks Prairie at 2418 HogumBay Road NE. 19 Household hazardous wastes from City of Yelm residents are accepted at the HazoHouse, at the Thurston County Waste and Recovery Center in Hawks Prairie.. Suggested BMPs • Check hazardous material containers frequently for signs of leakage. If a container is rusty and has the potential of leaking soon place it in a secondary container before the leak occurs and prevent a cleanup problem • Hazardous materials should be stored out of the reach ofchildren. • Store hazardous materials containers under cover and off the ground. Keep them out of the weather to avoid Wasting, freezing,cracking,labels being washed oa etc. • Keep appropriate spill cleanup materials on hand. Kitty litter is good for many oil-based spills. • Ground cloths and drip pans must be used under any work outdoors which involves hazardous materials such as oil-based paints, stains, rust removers, rmnsonry cleaners, and others bearing label warnings as outlined above (See Figure). • Latex paints are not a hazardous waste, but are not accepted in liquid form at the landfill To dispose of leave uncovered in a protected place Lentil dry, then place in the garbage. Ifyour can is at least halffirll, you can take it to the Ha2DHouse to be placed in Swap Shop area. If you wish to dry waste paint quickly, mix kitty litter or sawdust in the can to absorb the paint. Once paint is dry, leave the lid off when you place it in the garbage so your garbage collector can see that it is no longer liquid. • Use less toxic products whenever possible. Ecology maintains a hotline at 1-800- RECYCLE, or see information online at https://fortress.wa.gov/ecy/recycle/ • If an activity involving the use of a hazardous material can be moved indoors out ofthe weather, • Follow manufacturers' directions in the use of all materials. Over-application of yard chemicals, Mr instance, can result in the washing of these compounds into receiving water bodies. Never apply pesticides when rain is expected. • When hazardous materials are in use, place the container inside a tub or bucket to mini ize spills and store materials above the local base flood elevation(BFE). Latex paints are not a hazardous waste_. leave uncovered in a protected place until dry, then place in the garbage. 20 Pet Waste Management Pet waste that washes into lakes, streams or Puget Sound begins to decay, us ing up oxygen and releasing ammonia. Low oxygen levels and ammonia combined with warm water can kill fish Pet waste also contains nutrients that encourage weed and algae growth in waters we use for swimming, boating and fishing. Most importantly, in many urban areas, pet waste is the largest source of bacterial loading to streams. It can carry diseases that could make water unsafe for contact and lead to beach closures or affect shellfish harvest. These include: • Campylobacteriosis—bacterial infection • S ahnonellos is—bacterial infection • Toxocariasis—roundworm infection • Toxoplasmosis—protozoan parasite infection • Giardiasis—protozoan parasite infection • Fecal Colifionn--bacteria ii feces,indicates contamination • E. coli—bacteria in feces,may cause disease. Pet waste is the largest source of bacterial loading in streams. It can carry diseases that could make water unsafe for contact and lead to beach closures or affect shellfish haii1est. Cleaning up after your pet can be as simple as taking a plastic bag or pooper scooper along on your next walk. Then choose one ofthe following: Suggested BMPs • Bag it–Put waste in a securely closed bag and deposit it in the trash Do not put it in your yard waste container because pet waste may carry diseases, and yard waste treatment may not kill disease organisms. • Bury it–Bury waste at least 1 foot deep and cover with soil in your yard or garden(not in food-grow ing areas). • Flush it–Only flush pet wastes ifyour home is served by a sanitary sewer which goes to a sewage treatment plant. Water from your toilet goes through a treatment process that removes pollutants before it is discharged into the environment 20 To prevent plumbing problems, don't flash debris or cat litter. Cat feces may be flushed, but used litter should be put in a securely closed bag in the trash. S eptic systems are not designed to accommodate the high pollutant load of pet waste. To prevent premature failure or excessive maintenance costs do not flash pet wastes to your septic system. To prevent premature failure or excessive maintenance costs do not flush pet wastes to your septic system. • Compost it—waste from small animals other than dogs and cats (rabbits, rodents, etc.), can be put in your compost bin. 21