DOE Comment re NOA 001`rr
STATE OF N'ASH INGTON
DEPARTMENT OF ECOLOGY
DO Box 4]l~5 • Olympia, Washington 9N50d-J]JS •(360) 40J-6700
May l2, 2006
Ms. Tami Merriman I Your address
Community Development Department ~ IS in the
City of Yelm Nisqually
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PO Box 479 watershed
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Yclm, WA 98597 ,
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Dear Ms. Merciman:
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Thank you for the opportuniTy [o comment on the notice of application for the Rainier V iew Estates
project (Case: SUB-OS-0531-YL), located at 9910 Southeast Durant Street, as proposed by BASELINE
Engineering. The Department of Ecology (Ecology) reviewed the information provided and has the
following wmment(s):
WATER QUALITY: Margaret Hill (360) 407-0246
Any discharge of sediment-laden runoff or other pollutants to waters of the state is in violation of
Chapter 90.48, Water Pollution Control, and WAC 173-201A, Water Quality Standards for Surface
Waters of the State of Washington, and is subject to enforcement action.
Erosion control measures must be in place prior to any clearing grading, or constmc[ion. These
conlrol measures must be effective to prevent stormwater runoff from carrying soil and other
pollutants into surface water or storm drains [hat Icad to waters of the state. Sand, silt, clay particles,
and soil will damage aquatic habitat and are considered [o be pollutants.
Coverage under the National Pollution Discharge Elimination System (NPDES) and Slate Waste
Discharge General Permit for Stormwater Discharges Associated with Construction Ac[iviT.es is
required for consVUCtion sites which disturb an area of one acre or more and which have or will have
a discharge of stormwater to surface water or a storm sewer. An application can be downloaded from
Ecology's website a[ httD'// ~ ecv wa eo /nroera / u/stor ater/const coon/#Aool'ca[ion or
you can contact Charles Gilman a[ (360) 407-7451 for an application form.
Soil in stockpiles should be stabilized or protected with sediment-trapping measures to prevent sail
loss. All exposed areas of final grade or areas that are not scheduled for work, whether a[ final grade
or otherwise, shall not remain exposed and un-worked for more than two days, between October I
and April 30. Between May I and September 30, no soils shall remain exposed and un-worked for
more than 7 days.
Clearing limits and/or any easements or required buffers should be identified and marked in the field,
prior to the start of any clearing, grading, or construction. Some suggested methods are staking and
flagging or high visibility fencing.
Properties adjacent to the site of a land disturbance should be protected from sediment deposition
through the use of buffers or other perimeter controls, such as filter fence or sediment basins.
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May 12, 2006
Page 2
Provision should be made to minimize the tracking of sediment by construction vehicles onto paved
public roads. If sediment is deposited, it should be cleaned every day by shoveling or sweeping.
Water cleaning should only be done after the area has been shoveled out or swept.
Wash water from paint and wall finishing equipment should be disposed of in a way which will not
adversely impact waters of the state. Untreated disposal of this wastewater is a violation of State
Water Quality laws and statutes and as such, would be subject to enforcement action.
Source control Best Management Practices (RMPs) such as plastic covering mulch, temporary
seeding, and phased clearing (for example) should be used to control erosion during construction.
More examples of effective source control BMPs can be found in Ecology's two stormwater
management manuals, Smrmwater Managenaen( Manua] for Puget Sound (/992) and Srormwa(er
Ma+mgemen( Manual for Wesrertt Washington (2001).
Geology's comments are based upon tltc information provided. As such, [hey do not constitute an
exhaustive list of [he various authorizations that must be obtained or legal requirements that must be
fulfilled in order to carry out [he proposed action.
If you have any questions or would like [o respond to these comments please contact the appropriate
reviewing staff listed above.
Department of Ecology
Southwest Regional Office
(DN: Rainier View Estates)
cc: Charles Gilman, HQ/WQ
Margaret Hill, WQ
BASELINE Engineering (Applicant)