Find 7 listings related to king county surface water management division in seattle on. King county water district 54, wa official website. Sewrpc rainfall removed, see volume 2, technical procedures appendix g. Addendum to the king county surface water design manual. King county, washington, surface water design manual 2009 surface water design manual appendix d 192009 d3 d. Oct 19, 2017 in accordance with requirements by the washington state department of ecology, king county requires developers to use a manual to size and design stormwater flow control and water quality treatment. Author and adopt a sammamish specific stormwater design manual. The county of santa barbara obtained a grant, funded by proposition 84 and administered through the state water resources control board, to facilitate implementation of the pcrs. Sammamish addendum to the surface water design manual.
This addendum to the 2009 king county surface water design manual kcswdm applies to development and redevelopment proposals within the city of seatac city. Training on king county surface water design manual. Draft 2009 surface water design manual and the stormwater pollution prevention manual. King county surface water management division in seattle, wa.
Introduction just after midnight on october 26, 2004, the king county 1 council approved ordinance 15053, 2 a controversial clearing and grading ordinance characterized by property rights advocates, and certain members of the council, as the most restrictive land use law in the nation. Chapter 5 describes the minimum standards for onsite stormwater. Modeling climate change impacts on extreme precipitation. King county, washington, surface water design manual, appendix a appendix a maintenance requirements for flow control, conveyance, and water quality facilities this appendix contains the maintenance requirements for the following typicalstormwater control and water quality facilities and components ctrl click to follow the link. Dnrpwlrd stormwater services section sws description. Use category aquatic life agriculture public health parameter cas number acute chronic livestock irrigation food procurement domestic water supply radionuclides pcil. Protocol for measurement of streamflow at king county surface water monitoring sites. Recycled water was not used in 2010 nor projected for use in 2015. Adopt 2016 king county surface water design manual 2016 kcswdm 2.
Washington state department of ecology, stormwater management manual for western washington, 2005. Allowable pervious surfaces for a lot coverage credit are porous concrete, porous asphalt, permeable pavers, modular grid pavement, and grass modular grid pavement per appendix c of the 2009 king county surface water design manual. Seattle dpd city of seattle stormwater manual seattle. Older versions of the surface water design manual swdm 2005 swdm. Mmsd safety, surface and stormwater rules and guidance manual. The amendment revises chapters 1 and 2 in their entirety and identifies changes to the remainder of the king county manual to reflect city of renton specific requirements.
City of kenmore surface water design manual addendum to 2016 kcswdm december 12, 2016 page 5 king county map or designation city of kenmore map flow control applications map the king county flow control applications map included with the kcswdm shall not be applied in the city of kenmore. Protocol for field visits to king county surface water flow monitoring sites. Stormwater management in western washington access wa. The utility will have primary authority and responsibility for carrying out the citys. The kcswdm has been adopted to meet the requirements of the clean water act, the endangered species act and state growth management act. Pursuant to king county council adoption of ordinances 15051, 15052, 15053 otherwise known as the critical areas ordinance, stormwater ordinance, and clearing and grading ordinance, the department of natural resources and parks adopted public rules for revising the king county surface water design manual swdm and the stormwater pollution. Stormwater management manual for western washington. Cityrelated content from various departments delivered right to your inbox. Adopt 2012 stormwater management manual for western washington ecology manual 3. Kansas surface water quality standards table of numeric criteria page 1 of 24 table 1a. Obviously, the whole idea here is to keep water drained away from the roadway. Harkeerat kang gis analyst 201 s jackson st, suite 700 seattle, wa 98104 2062633734 voice firstname.
Sanitary sewer ronald waste water 17505 linden ave n shoreline, wa 983 206 5462494 water service shoreline water dept 1519 ne 177 th st shoreline, wa 98155 206 3628100 seattle public utilities 700 5 th ave. Keeping the foreslope and ditch established and shaped is often the maintenance operators responsibility as well. A pervious surface is a surface that allows infiltration through the pavement section. This section of the water and land resources division is responsible for coordinating the county s compliance with state and federal stormwater management regulations that protect water quality and for implementing a variety of stormwater management programs integral to this compliance as well as to the protection. The kansas surface water register, 281628g, was last published in the kansas register on june 19, 2014 and. Example of permanent surface water control pond sign.
Pursuant to king county council adoption of ordinance 18257, the department of natural resources and parks adopted a public rule revising the king county surface water design manual swdm. Cfw addendum to the kcswdm page 1 of 29 2162010 addendum to the king county surface water design manual effective date february 16, 2010. Businesses use this manual to help design their stormwater pollution prevention plans. This section identifies these terms and the city of federal ways equivalent terminology. The sanitary side sewer shall be sized to carry all sanitary sewage and. The design relies on the past 68 years of rainfall data for ensuring proper sizing. King county surface water design manual, current edition. Stormwater management manual for western washington volume v runoff treatment bmps prepared by. Washington state department of ecology water quality program february 2005 publication no.
Surface water management fee data king county, washington. At times king county and city of federal way use different terminology to describe or to refer to equivalent subject matter. Summary of major changes between the 1998 and 2009 king. Uwmp standardized tables king city district 2015 urban water. Appendix c of the king county surface water design manual. See what projects are going on in your neighborhood. Surface water entering the subject property shall be received at the naturally occurring locations and surface water exiting the subject property shall be discharged at the natural locations with adequate energy dissipaters within the subject property to minimize downstream damage and with no division at any of these points. Aquatic life, agriculture, and public health designated uses numeric criteria. Seattle dpd stormwater best available science seattle. Group a systems using surface water or groundwater sources under the direct influence of surface water gwi are subject to the swtr.
General gage maintenance and data workup procedures. Starting the week of january 18th the district crew will be working their way through the entire district flushing very high volumes of water to help clear. Water districts of king county king county, washington. Starting the week of january 18th the district crew will be working their way through the entire district flushing very high volumes of water to help clear the possibility of you experiencing brown water. Appendix amaintenance requirements for flow control, conveyance, and. Kansas surface water quality standards tables of numeric criteria. Included in the adoption of the king county manual is this city of renton amendments to the 2009 king county surface water design manual. Center for watershed protection, ellicott city, maryland.
King county, washington surface water design manual page 2 of 23 section 1. The doh swtr guidance manual is designed to complement the surface water treatment requirements found in part 6 of wac 246290, the drinking water regulations. For information on king county discharge requirements, contact. King county water and land resources division, science section stream gaging program guidance documents, unpublished. This page contains links to outdated stormwater documents archived for future reference for cases where theyre referenced in municipal codes. A sitespecific standard is an explicit amendment to this title, chapter 307 texas surface water quality standards, and adoption of a sitespecific standard. Kansas surface water quality standards unofficial copy. For the industrial stormwater general permit issued on november 20, 2019 and effective on january 1, 2020. For projects located primarily within dedicated rightsofway, site includes the entire width of. Infrastructure design and construction standards city of tukwila. The greatest use of the 2005 swmmww has been through national.
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