
Cover page of the Washington State Department of Ecology's Stormwater Management Manual for Western Washington, Publication Numbers 99-11 through 99-13, dated August 2001. The manual covers five volumes including minimum technical requirements, construction stormwater pollution prevention, hydrologic analysis, flow control design BMPs, source control BMPs, and runoff treatment BMPs.Open full document
Notes
Cover page of the Washington State Department of Ecology’s Stormwater Management Manual for Western Washington, Publication Numbers 99-11 through 99-13, dated August 2001. The manual covers five volumes including minimum technical requirements, construction stormwater pollution prevention, hydrologic analysis, flow control design BMPs, source control BMPs, and runoff treatment BMPs.