The washington state department of ecology gratefully acknowledges the valuable time, comments, and expertise provided by the people listed below who contributed to the 2012 revision of vol. Bmps are defined in the states storm water manual as schedules of activities. The permit requires cities to adopt specific requirements of development and redevelopment to reduce stormwater impacts on natural resources. Ecology is solely responsible for any errors, omissions, and final decisions. On december, 2002 with a technical correction on december 20, jefferson county adopted the stormwater management manual for western washington, issued by the washington state department of ecology in august 2001 and updated in february 2005 and august 2012, as the set of stormwater management standards for all new development and redevelopment in jefferson county. The stormwater technical notebook has been updated to be consistent with the 202018 western washington phase ii municipal stormwater permit, issued august 1, 2012, effective january 16, 2015. You may also go to the agc education foundation website and navigate to. The skinny on washingtons new stormwater bible sightline. Supplemental manual to the ecology stormwater management. The interactive online 2019 swmmww now includes a link to download redlines comparing the draft 2019. In august 2012, ecology extended the first permit to july 31, 20, issued a 5year permit 202018 effective august 1, 20, and also issued a new 2012 ecology stormwater management manual for western washington 2012 ecology manual, revised in 2014, which contained stormwater requirements for new development.
An accurate count of washington residents will ensure the fair distribution of political representation and of federal and state resources. Low impact development stormwater regulations on january 1, 2017, new stormwater management regulations and standards went into effect in the city of auburn and surrounding jurisdictions in western washington for new development, redevelopment, and construction sites. The washington state department of ecology has released the revised stormwater management manual for western washington swmmww. It outlines how to control the quantity and quality of stormwater pollution that typically increases as new development replaces natural. Response to comments on the 2012 stormwater management manual. Jblms objective is to manage stormwater from developed areas, new development and redevelopment project sites in a manner that. Western washington hydrology model washington state. Bmps for surrounding the activity area with a curb, dike, or berm or elevating the activity. Review of stormwater management manual for western. Volume ii construction stormwater pollution prevention august 2012 ii. Click here for information about the manual, including a summary of the major changes and how to get a printed copy. If you have questions about ordering the stormwater manual, please call the department of printing at 3605866360. Click the image to the left to go to documents homepage on the department of ecologys website.
Ii of the stormwater management manual for western. Washington state department of ecology water quality program. There are 9 minimum requirements that your project may be required follow, designed to protect lakes and creeks. Jul 15, 20 the 2012 stormwater management manual for western washington swmmww or manual is a bedrock document that guides how nearly everyone involved in regional stormwater management does his or her job. Local municipalities use this manual to set stormwater requirements for new development and redevelopment projects. Low impact development technical guidance manual for puget sound, puget sound action team and washington state university pierce county extension, january 2005 or current edition. The county must use drainage design and source control rules equivalent to those in ecologys 2005 stormwater management manual for western washington 2005. The stormwater management manual for western washington swmmww provides guidance on the measures necessary to control the quantity and quality of. To help us meet that goal, please consider the environment before you print or request a copy. The 2014 stormwater management manual for western washington was adopted by the city as of january 1, 2017.
Storm water \npdes road map\swppp\2012 revisions\2012 swppp puyallup public works final. For all medium intensity development as listed above, a stormwater design which is consistent with all applicable minimum requirements of the 2012 washington state department of ecology stormwater management manual for western washington will be required if the project proposes. The 2012 washington state department of ecology stormwater management manual for western washington is a technical document. The washington state department of ecology ecology gratefully acknowledges the valuable time, comments, and expertise provided by the people listed below who contributed to the 2012 revision of vol. If your project requires the use of this manual, consultation from a licensed civil engineer may be required. This is an informational workshop and staff requests conceptual feedback from the planning commission concerning the attached code drafts to scc chapter 14. At the workshops, ecology explained the proposed changes to the manual and answered questions. Stormwater management manual for western washington volume v runoff treatment bmps prepared by. Under the technical information heading, you will find a link to the manual.
Under the 2009 permit, all county development projects including those located in other jurisdictions must comply with the countys equivalent manual if it is more stringent than. The stormwater management manual for western washington swmmww provides guidance on the measures necessary to control the quantity and quality of stormwater. The city of lake stevens uses the 2014 updated version of the 2012 stormwater management manual for western washington. Guidance on low impact development lid requirements for new development and redevelopment. Coa supplemental manual to the ecology stormwater management manual for western washington volume iv source control bmps version 3 ii s451. I of the stormwater management manual for western washington swmmww. The state of washington and the washington department of ecology were granted delegated authority by the epa to administer their own statespecific national pollutant discharge elimination system npdes permitting program for wastewater and stormwater discharges associated with construction activity, industrial activity as well as municipal separate storm. Sep 19, 2012 the 2012 western washington manual was published in august and consists of 5 volumes. Revised guidance on designing infiltration facilities. If ecologys determination of equivalency is conditioned, the conditions are listed below. The 2012 stormwater management manual is applicable to projects vested beginning february 1, 2012 to january 7, 2016. Appendix 1 of the permit references specific sections of the 2012 stormwater management manual for western washington swmmww. The permit requires stormwater management for development or redevelopment to be consistent with portions of the stormwater management manual for western washington swm, washington state department of ecology, 2012.
Stormwater manuals washington state department of ecology. Best management practices bmps for storm and surface. The city of mountlake terrace has adopted the 2012 department of ecology stormwater management manual for western washington as amended in december 2014 2012 2014 ecology manual for development within the city limits. Control of runoff from new development, redevelopment and construction sites. On july 1st, ecology published the 2019 stormwater management manual for western washington 2019 swmmww, as well as. Hard copy and cdrom versions of the manual can be ordered from ecology. If you wish to receive stormwater management manual updates and stormwater policy information, please fill out the online form on the bottom of the page. Ecology completed the stormwater management manual for western washington manual washington department of ecology 2001.
Permittees must comply with listed conditions, if applicable, in order to achieve equivalency and comply with associated permit requirements. How to find the stormwater management manual on the internet the stormwater management manual for western washington is also available on ecologys stormwater homepage. Single family residence stormwater requirements puyallup, wa. Our stormwater manuals provide stormwater permit implementation and management.
Stormwater management manual for western washington. The skinny on washingtons new stormwater bible sightline institute. Tacoma 2012 stormwater management manual see volume 5. New and redevelopment projects must follow new design requirements which are now often triggered with just a single family residence project. Wwhm 2012 trainings available for a fee for information on training classes on western washington hydrology model wwhm2012 please contact dan morris at the agc education foundation at 2062844500. This is the december 2014 version of the stormwater management manual for western washington swmmww. We received requests for redlines between the draft and final versions of the 2019 swmmww. This is the july 2019 version of the stormwater management manual for western washington swmmww. Critical assessment of stormwater treatment and control selection issues. The mission of the department of ecology is to protect, preserve, and enhance washingtons environment.
Ecologys stormwater management manual for western washington. Construction stormwater pollution prevention august 2012 v. The washington state department of ecology is solely responsible for any. On july 1st, ecology published the 2019 stormwater management manual for western washington 2019 swmmww, as well as ecologys responses to comments received during the public comment period. Areas outside of npdes phase ii areaslake whatcom, lake.
Management pursuant to the ountys adoption in 2015 of the 2012 doe stormwater management manual for western washington. Ecology revised the swmmww in february 2005 and in august 2012. The 2012 stormwater management manual for western washington can be. If you have questions about ordering the stormwater manual, please call the department of printing at 360 7536820. Dec 05, 2015 the surface water management division coordinates updates to the stormwater and site development manual title 17a. Ecology considered the comments received during the 90day comment period and issued the final 2012 swmmww on august 1, 2012. Iv of the stormwater management manual for western washington swmmww. Single family residential stormwater management guidelines. Skagit county has adopted ecologys 2012 stormwater management manual for western washington, as amended in december 2014, as the stormwater management manual for the entirety of unincorporated skagit county, except the npdes permit area. Stormwater management planning development services. This publication provides information on the release of the 2012 stormwater management manual for western washington. Aug 01, 2012 the washington state department of ecology has released the revised stormwater management manual for western washington swmmww.
Washington state department of ecology water quality program february 2005 publication no. On july 1st, ecology published the 2019 stormwater management manual for western washington 2019 swmmww, as well as ecologys responses to comments received during the public comment period we received requests for redlines between the draft and final versions of the 2019 swmmww. The 2012 stormwater management manual for western washington swmmww or manual is a bedrock document that guides how nearly. Npdes phase ii permit lake stevens, wa official website. For information about upcoming updates, subscribe to updates. The 2012 state department of ecology stormwater management manual for western washington can be accessed from ecologys stormwater information website. Stormwater management standards jefferson county, wa. How to find the stormwater management manual on the internet the stormwater management manual for western washington is also available on ecologys. Delete any reference to ecologys 2005 stormwater management manual for western washington. Stormwater management manual for western washington vol. The objective of this manual is to provide guidance on the measures necessary to control the quantity and quality of stormwater produced by new development and redevelopment, such that they comply with water quality standards and contribute to.