City of philadelphia stormwater management guidance manual 2. Lucie county and for the preservation of the environment and enhancement of wildlife habitat in june 1997, the st. Inspections must be performed prior to clearing and construction, during. Stormwater management is part of puyallups public works engineering division, managing the citys npdes municipal stormwater permit, implementing stormwaterrelated capital projects, and providing technical assistance to other city departments. The 2008 surface water management manual is only applicable to projects vested beginning september 22, 2008 and ending january 31, 2012. Stormwater management manual for western washington 2012, amended 2014 use navigation pane on the left. Lid is a stormwater and land use management strategy that strives to mimic natural hydrologic processes of infiltration, filtration, storage, evaporation and transpiration by emphasizing conservation, use of onsite natural features, site planning, and distributed stormwater management practices that are integrated into a project design. Tacomas 2008 surface water management manual has been deemed equivalent.
The permit also requires construction sites within western washington to implement stormwater bmps contained in stormwater management. Manual is anticipated in 2008, after pierce county receives the equivalency approval from. Stormwater technical resources stormwater management and design manuals. Washington state department of ecology, stormwater management manual for western washington, 2005. Volume iii hydrologic analysis and flow control bmps. Washington state department of ecology water quality program. Stormwater manuals washington state department of ecology. Drainage manual snohomish county, wa official website.
Volume i minimum technical requirements and site planning. Current manual january 2016, november 2017 for volume i the documents listed below compose the entire snohomish county drainage manual. September 2008 stormwater management comprehensive plan technical manual bmc 14. These regulations include this title and the pierce county stormwater management and site development manual referred to as the manual incorporated herein by reference. Highway runoff manual washington state department of. At events in august and october of 2008, the city used the information booth approach as a venue to issue its first stormwater management survey. Green stormwater infrastructure gsi city of tacoma. Pierce county stormwater management and site development. Ecologys 2005 stormwater management manual for western washington2005 ecology manual or an equivalent manual. Ii construction stormwater pollution prevention amended 2012. Stormwater management manual for western washington. Npdes phase ii municipal stormwater management program. Pierce county will close a section of 112th street east on june 25 for six weeks as part of a road construction project.
Spokane, washington 99201 509 6256700 city of spokane valley 11707 e. Follow us to watch our progress and receive updates about water quality news and events. Broadway avenue spokane, washington 99260 509 4773600 city of spokane 808 w. On the tacoma tideflats, stormwater flows through approximately 1,800 catch basins to discharge into commencement bay through about outfalls. Manual for western washington manual or an equivalent. Sprague avenue spokane valley, washington 99206 509 921. Spokane county, city of spokane, city of spokane valley. Stormwater management and site development manual adopted dec. There is also a table in ecologys 2005 stormwater management manual for western washington, volume v that describes the maintenance standards for drainage facilities. Our stormwater department continues to work with pierce conservation district providing guidance on stormwater best management practices in a lesson plans to elementary students in the puyallup school district. The stormwater management manual for western washington is not a regulation.
Pierce county stormwater maintenance manual for private facilities 2009 version. The city of tacoma has invested millions of dollars in stormwater pollution. The availability of the pierce county manual as a design guideline. Pierce county found no significant toxicity in four urban streams in 2008. Committee on reducing stormwater discharge contributions to water pollution, national research council, urban stormwater management in the united states, 2008 8. Spokane regional stormwater manual spokane county, wa. However, the industrial stormwater general permit, construction stormwater general permit, and many city and county codes still continue to reference the 2005 version of the swmmww. Stormwater management npdes phase ii bremerton, wa. Stormwater management manual for western washington volume ii construction stormwater pollution prevention prepared by. The survey will be discussed in greater detail in the following section. Improvement and environmental education, and harvest pierce county. Clark county stormwater management plan clark county.
External coordination with other permittees on stormwaterrelated policies, programs and projects is ongoing. The stormwater management manual for western washington is also available on ecologys. Low impact development lid must be required where feasible. Linked below are chapters from the department of ecologys stormwater management manuals for washington state that are relevant to stormwater facility maintenance. The water quality divisions mission is to manage county stormwater systems to prevent flooding and property damage and to protect water quality for the safety and enjoyment of the citizens of st. Pierce countys 2005 swmmww equivalent program is available at the pierce county stormwater manual page, and consists of. Washington state department of ecology water quality program february 2005 publication no. Meridian puyallup, wa 98371 2538414321 open monday friday. To talk with a yard care specialist, contact your local pierce county master. All proposals for development or redevelopment, whether public or private, must conform to these regulations. The kitsap county public works department currently has responsibility for operation and maintenance of over 300 of the approximately 600 stormwater ponds in the county. Bmps are defined in the states storm water manual as schedules of activities. Herrera worked with the county to conduct a study of these ponds to assess water quality retrofit potential and identify retrofit solutions, and ultimately developed conceptual. The development engineering section coordinates updates to the stormwater and site development manual.
Lucie county commission adopted a stormwater management program for the. Stormwater management in western washington access wa. Stormwater code and manual clark county washington. Pierce county surface water management 2008 stormwater management and site. County stormwater system the countys stormwater system includes all of the natural and manmade systems that manage stormwater, including streams and creeks and other natural systems, and the countys roadside ditches.
This includes coordination with city of tacoma, port of seattle, pierce county, and other phase i and phase ii jurisdictions as well as other washington. Equivalent stormwater manuals for municipal stormwater. Stormwater facilities whatcom county, wa official website. Pierce county stormwater management and site development manual. This year we worked with shaw road elementary and maplewood elementary, in a total of five classrooms.
Overview of manual development the original highway runoff manual was published in 1995 for primary application in the puget sound basin. The swmp includes information on all permit requirements per section s5. Pierce county began regulating stormwater runoff in 1984 and there have been periodic updates through the years as technology changed, environmental impacts were recognized, and state or federal laws took effect. Maintenance checklists are included in the 2008 pierce county stormwater management manual, volume i and the pierce county stormwater maintenance manual for private facilities. Chapter 3 hydrological analysis king county, washington. The pierce county stormwater management and site development manual manual was created to establish design and analysis criteria for almost all types of. Thurston county drainage design and erosion control manual. Ecologys stormwater management manual for western washington. Doe stormwater management manual western washington 2014. Pierce county stormwater management and site development manual, volume iv source. For the npdes permit area, skagit county has adopted ecologys 2019 stormwater management manual for western washington. The drainage manual is used in concert with snohomish county code and snohomish county engineering design and development standards edds volume i pdf minimum technical requirements volume ii pdf construction stormwater pollution.
The city of gig harbor has not adopted the manual to date and is currently using a design manual developed by the city in 2001 and updated in july 2006. Ecology and pierce county recently conducted in situ trout toxicity testing studies. Stormwater management and site development manual, pierce county, washington, 2008 surface water design manual, king county, washington, 2009 sources. The 2012 washington state department of ecology stormwater management manual for western washington is a technical document. Help improve the pierce county stormwater manual posted on. This is the february 2005 version of the stormwater management manual for western washington swmmww. Clark county has had a stormwater management plan swmp since 2008.
The manual was designed to be consistent with ecologys stormwater. If your project requires the use of this manual, consultation from a licensed civil engineer may be required. The stormwater management manual for western washington swmmww provides guidance on the measures. Spokane regional stormwater manual april 2008 prepared by. Thurston county drainage design and erosion control manual and is intended to comply with the national pollutant discharge elimination system npdes phase ii permit issued to thurston county by the department of ecology and be equivalent to the stormwater management manual for western washington ecology 2005. Best management practices bmps for storm and surface. In addition to adopting the 2005 doe stormwater manual for western washington, lakewood has also adopted the 2008 pierce county stormwater management and site development manual. A boundary map is included as figure 1 see also attachment a depicting port properties as of march 2018. Stormwater code clark county code includes regulations for local land use and development, along with best management practices to minimize pollution and harmful effects of stormwater. Permittee, including the city of gig harbor, adopt the 2005 stormwater management manual for western washington manual or an equivalent.
1240 318 769 464 1107 792 1388 346 129 1204 1553 974 786 1580 499 1049 157 306 209 591 987 784 523 1244 508 553 1235 529 1210 1404 1 859 1085