Pursuant to king county council adoption of ordinance 16264, the department of natural resources and parks adopted a public rule revising the king county surface water design manual swdm. If you have questions about ordering the stormwater manual, please call the department of printing at 360 7536820. Appendix a of the swdm contains maintenance standards for flow control, conveyance and water quality facilities in kenmore equivalent to ecologys 2005 stormwater management manual for western washington. Stormwater management and site development manual, pierce county, washington, 2008 surface water design manual, king county, washington, 2009 sources. The surface water design manual shall be filed with the city clerk and available. Equivalent stormwater manuals for municipal stormwater. Ecologys i i4 stormwater management manual for western washington, replacing the previously adopted 2009 king county surface water design manual. Business technical assistance for implementing the king county stormwater pollution prevention manual requirements. Stormwater management and site development manual, pierce county, washington, 2008 surface water design manual, king county, washington, 2009 sources of figures, tables and photographs have been identified. The snoqualmie addendum lists various amendments to the 2009 king county surface water design manual regarding water quality. Contaminants shall be controlled by implementing appropriate source control bmps, as described in the 2016 king county stormwater pollution prevention manual.
The 2016 stormwater code and manual became effective on january 1, 2016. The city of sammamish has adopted the 2009 king county surface water design manual 2009 kcswdm in order to be in compliance with its phase ii municipal stormwater permit. These maintenance standards comply, or exceed compliance, with the. King county, washington surface water design manual page 1 of 23 introduction this addendum to the 2016 king county, washington surface water design manual kcswdm applies to development and redevelopment proposals within the city of federal way. King county stormwater pollution prevention manual best management practices for commercial, multifamily and residential properties, dated april 2016. Previously the city retained this threshold from earlier king county manuals because this was allowed by. Chapter 2 onsite stormwater management bmps clark county stormwater manual 2015 27 book 2 bmp design bmp t5. Vehicle washing and steam cleaning king county, washington. The kcswdm has been adopted to meet the requirements of the clean water act, the. Adopted and updated its staff training program to the 2016 king county surface water design manual. Dpd directors rule 172009 stormwater manual volume 3.
The stormwater code is contained in title 12 of the kitsap county code kcc. Ecology prepared the 2005 stormwater management manual for western. The city of redmond stormwater management program swmp plan. These rules replaced the 2009 stormwater code and directors rules, which were administered jointly by sdci and seattle public utilities spu.
Stormwater management manual for western washington volume v runoff treatment bmps prepared by. 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. Stormwater management can have substantial affects on the surrounding habitats and ecosystems. Ranking of stormwater drainage basins in king county quartile. This is accomplishedlargely through the kitsap county kc stormwater code stormwater code and the associated kitsap county stormwater design manual this manual. Some language, such as code references and contact information, was modified in order to clarify procedures within the city of kenmore. The county also provides an online compost calculator to assist projects. View our interactive stormwater mapping tool to view approximate locations of all public and private storm drainage infrastructure in burien storm drains, pipes. King county, washington pursuant to king county council adoption of ordinance 16264, the department of natural resources and parks adopted a public rule revising the king county surface water design manual swdm.
The proposed changes to the manual are seen as track changes edits. Training on king county surface water design manual. Included in the adoption of the king county manual is this 201 i city of. This is the phase i equivalent stormwater manuals for. Surface water design manual addendum preface how to use this.
Washington state department of ecology water quality program. King county stormwater pollution prevention manual january 2009 2 3 wash water from vehicle cleaning operations to a sanitary sewer, holding tank, or process treatment system, or process it through an enclosed recycling system. Utilities and king county wastewater treatment division, as well as retrofits on. King county 2009 surface water design manual, appendix amaintenance requirements for flow control, conveyance and wq facilities. Bellevues natural drainage practices employs lid stormwater management controls that are dispersed. Washington state department of ecology water quality program february 2005 publication no. Downspout dispersion purpose and description downspout dispersion systems are splash blocks or gravelfilled trenches, which.
Adopted king county training and information on 2009 king county surface water designmanual. Tnc will position themselves at the forefront of stormwater management. Prioritizing areas for green stormwater infrastructure. This is accomplished largely through the kitsap county kc stormwater code stormwater code and the associated kitsap county stormwater design manual this manual. The city of maple valley adopts the 2009 2016 king county surface water design manual. Jun 08, 2016 notice on vesting under the 2009 king county surface water design manual to comply with the national pollutant discharge elimination system npdes municipal stormwater permit, kirkland must alter stormwater design standards in 2017.
Preventing polluted stormwater runoff is a critical issue in our community and requires participation from government, businesses, schools, community groups, and residents alike. This document, king countys 2009 stormwater management program swmp describes the actions and programs implemented by king county agencies that protect stormwater in unincorporated king county and on king county facilities located in other jurisdictions. The manual provides detailed information for businesses, residents, managers, and owners of property in unincorporated king county, and describes the actions we are all required to take to reduce the contamination of stormwater, surface water, and groundwater, to comply with federal clean water act requirements. The kent manual adopts the 2016 king county surface water design manual kcswdm and applies to development proposals within the city of kent. All structural source controls shall be identified on the site improvement plans and profiles or final maps prepared for the proposed project. Pierce county stormwater management and site development manual. Public meeting to provide input to 2021 stormwater management program plan. The april 2016 king county stormwater pollution prevention manual, hereby. Ordinance 100305, approved by kenmore city council on january 11, 2010, adopted the 2009 king county surface water design manual swdm.
Implementation of source controlsbmps to assure compliance with king county water quality code. Appendix 10 equivalent programs for runoff controls for. For current and past projects still utilizing the 2009 king county surface water design manual, information regarding the 2009 manual is available here. The 2009 king county stormwater pollution prevention manual was developed by king county and adopted for use within unincorporated king county in january 2009. Mar 02, 2020 requires the county to adopt and make effective a local program to prevent and control the impacts of stormwater runoff from new development, redevelopment and construction activities.
Included in the adoption of the king county manual. Stormwater system information duvall, wa official website. Aug 08, 2016 the manual provides detailed information for businesses, residents, managers, and owners of property in unincorporated king county, and describes the actions we are all required to take to reduce the contamination of stormwater, surface water, and groundwater, to comply with federal clean water act requirements. Continue to coordinate with other permitted jurisdictions in western washington through organizations such as the stormwater outreach for regional municipalities storm and the north king county stormwater outreach group the soggies. Pierce county stormwater and site development manual december 2015 volume i minimum technical requirements and site planning 11 chapter 1 introduction 1. The substance of the manual is still credited to king county and its staff. Stormwater manuals washington state department of ecology. Appendix 10 equivalent programs for runoff controls for new. Provided support to scout troops and other groups in installing.
Maintenance covenant for private stormwater facilities pdf. Later in 2016, kirkland intends to adopt the 2016 king county surface water design manual with an addendum to. City of kent maintenance standards for stormwater flow. Phase i equivalent stormwater manuals for western washington. Stormwater best management practice design and maintenance. This manual replaces the king county stormwater pollution prevention manual, best management practices for businesses, dated january 2009. Stormwater bmp design and maintenance manual introduction 12 8232010 technical guidance manual for stormwater quality control measures, ventura countywide stormwater quality management program. This addendum to the 2009 kcswdm defines how the requirements of the kcswdm are to. Associated with stormwaterrelevant brake and tire samples. Stormwater bmp design and maintenance manual introduction 12 56 2009 technical guidance manual for stormwater quality control measures, ventura countywide stormwater quality management program. Proposed stormwater management facilities and treatment must meet or exceed the specifications described per the.
Notice on vesting under the 2009 king county surface water. Feb 06, 2020 impacts of stormwater runoff from new development, redevelopment and construction activities. See bmp info sheet 2 in chapter 5 for information on disposal options. January 2009 i2 king county stormwater pollution prevention manual chapter iii describes stormwater best management practices that are required for various commercial, industrial, public and multifamily residential activities. The city of seattle revised its 2009 stormwater code and manual to reflect the washington state department of ecologys 2014 stormwater manual. The city of sammamish has adopted the 2009 king county surface water design.
Previously the city retained this threshold from earlier king county manuals because this was allowed by the phase ii permit. Low impact development technical guidance manual for puget sound, washington state university pierce county extension. This manual, the 2009 city of kenmore stormwater pollution prevention manual, is a modified version of that king county manual. This addendum to the 2009 kcswdm defines how the requirements of the kcswdm are to be implemented within the city of sammamish. The 2009 draft update of king county stormwater pollution prevention manual sppm click here or on the title above to download the draft sppm 2. Approved stormwater management manuals proposed swmps must reference an approved stormwater management manual provided in the list below and must be appropriate to the area that the swmp covers, unless approved in writing by deq. The current adopted 2009 king county surface water design manual kcswdm with city amendments will no longer be in compliance with the requirements of the citys 202018 npdes phase ii permit. Jan 01, 2019 water quality source controls shall be applied in accordance with k. Jul 26, 2016 the 2009 draft update of king county stormwater pollution prevention manual sppm click here or on the title above to download the draft sppm 2. A copy of kcc title 9 as currently written has been filed with the city clerk and identified with clerks receiving no. Provided support to scout troops and other groups in installing puget sound starts here plaques at catch basins.
Title 9 surface water management king county, washington. King county, washington this manual has been replaced a new version of the stormwater pollution prevention manual. Swmmwwecology determined that the following enforceable documents, including. Addendum to the king county surface water design manual. Green stormwater infrastructure in seattle 12000 rain gardens. The city ofissaquah adopts the 2009 king county surace water design manual king county manual for the design, construction and maintenance of stormwater management systems and facilities that are approved though the development permt process. Stormwater pollution prevention manual king county, washington. West virginia department of environmental protection. Stormwater pollution prevention manual king county. Stormwater management manual for western washington. Stormwater pollution prevention manual city of renton. Downspout dispersion purpose and description downspout dispersion systems are splash blocks or gravelfilled trenches, which serve to spread roof runoff over vegetated pervious areas.
956 600 90 171 391 715 3 1437 1474 302 993 1313 644 661 1554 1471 1578 1100 997 936 1347 1157 474 420 444 609 1479 1557 213 256 296 696