King county stormwater management manual

A flow control best management practice consisting of a shallow landscaped depression designed to temporarily store and promote infiltration of stormwater runoff. Standards for bioretention design, including soil mix, plants, storage volume and feasibility criteria, are specified in Appendix C of the King County Surface Water Design Manual. Pursuant to King County Council adoption of Ordinance , the Department of Natural Resources and Parks adopted a public rule revising the King County Surface Water Design Manual (SWDM). In accordance with King County Code, Chapter , Rules of County Agencies, this public rule was adopted on March 25 th, King County Stormwater Pollution Prevention Manual - Best Management Practices for Commercial, Multi-Family and Residential Properties, dated April Note: This manual replaces the King County Stormwater Pollution Prevention Manual, Best Management Practices for .

2 Stormwater Pollution Prevention Manual • King County Foreword. The King County Stormwater Pollution Prevention Manual was developed to comply with requirements of the Federal Clean Water Act–National Pollutant Discharge Elimination System (NPDES) Program and the State Puget Sound Water Quality Management Plan–Stormwater Program. The King County Runoff Time Series (KCRTS) hydrologic model is a required methodology under the King County Surface Water Design Manual for sizing detention and infiltration flow control facilities. The King County Backwater (KCBW) Program is a standard step backwater analysis program for pipe networks, culverts, and simple open channels. Pursuant to King County Council adoption of Ordinance , the Department of Natural Resources and Parks adopted a public rule revising the King County Surface Water Design Manual (SWDM). In accordance with King County Code, Chapter , Rules of County Agencies, this public rule was adopted on March 25 th,

Maine, Stormwater Best Management Practices Manual Washington, King County, Washington Surface Design Manual, King County Department. WHEREAS, the King County Surface Water Design Manual (KCSDM) was Stormwater Management Manual for Western Washington; and. STORMWATER MANAGEMENT MANUAL FOR EASTERN WASHINGTON UPDATE King County Wastewater Treatment Division (WTD) proposes to install Green Stormwater.