Whipple creek watershedscale stormwater plan report. Our stormwater manuals provide stormwater permit implementation and management. It has been developed for state facilities and may not be appropriate for all county roads or city streets that are not state highways. April 2, 2020 as part of governor inslees proclamation to delay the implementation of the washington state building code, the implementation date for the washington state energy coderesidential. The road design and construction standards establish the technical engineering design and construction requirements for. Trends in surface water health scores are in appendix e watershed health trends. Facility maintenance manual 2018 surface and stormwater management plan final 2016 king county surface water design manual 2016. Engineering services marysville, wa official website. For more information about this program call site development at 253 5915760. 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.
See our updating stormwater regulations page for more information. 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. The pierce county surface water health report card is. To comply with the city of rentons npdes permit requirement, the city adopted the 2016 king county surface water design manual with amendments to create the 2017 city of renton surface water design manual. Kitsap county stormwater design manual 2016 in particular, see. The 2016 king county, washington, surface water design manual as amended by the. Surface water program manager, public works, project manager.
Stormwater pollution prevention manual 2016 guide describing best management practices for businesses, residents, managers, and owners of property in unincorporated king county to apply to reduce the. See the listing of crab standards of good practice for summary information and links to the code reviser. Current manual january 2016, november 2017 for volume i the documents listed below compose the entire snohomish county drainage manual. Fair housing act design manual pdf osha 1904 recordkeeping. Stormwater manuals washington state department of ecology. Surface water design manual this addendum to the 2016 king county surface water design manual kcswdm applies to development and redevelopment proposals within the city of kirkland. An accurate count of washington residents will ensure the fair distribution of political representation and of federal and state resources. Training on king county surface water design manual. Stormwater system information duvall, wa official website. Seattle dpd city of seattle stormwater manual seattle. Addendum to the king county 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. Wsu energy program building efficiency energy code.
City of tacoma rightofway design manual city of tacoma. Kitsap county department of community development dcd. Marysville city hall 1049 state avenue marysville, wa 98270 phone. Water quality ordinance in 1998, clark county added a code chapter prohibiting the discharge of pollutants to. Your project will be under construction prior to january 1, 2022. The king county surface water design manual, dated september 1998january 9, 2009, is hereby adopted for use in the city of kenmore. Pierce county must update the 2015 manual by july 1, 2021. The 2016 king county surface water design manual has been approved by the department of ecology as an equivalent manual. King county road design and construction standards king. Home scifyi modeling climate change impacts on extreme precipitation, stormwater design requirements, and wastewater conveyance. Department of ecology stormwater management manual for western washington 2015 international residential code irc 2015 international building code ibc. Addendum to the kcswdm page 2 of 20 912011 this page is intentionally left blank. The kcswdm has been adopted to meet the requirements of the clean water act, the endangered species act and state growth management act. Hydrologic design standards and principles 3section 3.
This modeling was funded by king countys stormwater services section,wastewater treatment division, and a grant from the washington state department of ecology. King county, washington, surface water design manual 2009 surface water design manual appendix d 192009 d3 d. Changes were made throughout the manual to correct reference errors and other nonsubstantive items. The pierce county stormwater management and site development manual manual was created to establish design and analysis criteria for almost all types of development. Updates are required by the washington state department of ecology, typically on a fiveyear cycle. Exceptions and additions to the 2009 kcswdm are organized and referenced by chapter and section in the same manner as the 2009 kcswdm. Full manual standard specifications for road and bridge construction complete manual 1012018 division. The kcswdm has been adopted to meet the requirements of the clean water act, the. Property owners who are outside of kents city limits will be billed with their property tax from king county. Your complete project application was accepted prior to december 30, 2016. The washington county board of commissioners adopted the road design and construction standards ordinance 738 on february 15, 2011, which became effective on march 18, 2011. The effective date of this public rule is february 3, 2016, or thirty days after filing with king county archives and records management, whichever comes later. Learn about stormwater drainage and illicit discharges. How to use this manual volumes 1 through 5 and appendices the citys stormwater manual includes the following five volumes.
Water quality assessment 303d305b integrated report and as displayed in wa ecologys electronic. Regional transportation commission of washoe county carson city. Chapter 4 2016 surface water design manual 412 1206 2016 1. The stormwater code and manual are in the process of being updated and are scheduled to be effective july of 2021. Oct 19, 2017 king county partnered in 2016 with the university of washingtons climate impacts group to model hourly rainfall throughout the county under climate change conditions. The design manual provides policies, procedures, and methods for developing and documenting the design of improvements to the transportation network in washington. This addendum includes minor revisions to the kcswdm to address the differences between king countys and the citys organization and processes. Drainage manual snohomish county, wa official website. These standards replace the 1998 uniform road improvement design standards ordinance 524. The drainage manual is used in concert with snohomish county code and snohomish county engineering design and development standards edds. City of kenmore surface water design manual addendum to 2016 kcswdm december 12, 2016 page 3 chapter 3 hydrologic analysis and design. Objectives surface waters amendment regulations 2015, including the data and methodology used to derive the environmental quality standard, and the categories of surface water to which it applies. Commercial storm drainage rates are based on property size, percentage of impervious surface, and the basin or basins in which the property is located.
A report on the health of surface water in pierce county 2016 report card. Surface water management fee data king county, washington. This section presents the methods, criteria, and details for design and. Clark county stormwater code and manual 2015 kitsap county stormwater design manual 2016 in particular, see.
Center for watershed protection, ellicott city, maryland. City of sammamish surface water design manual addendum. Older versions of the surface water design manual are available for municipalities who have referenced them in stormwater management codes. The 2016 stormwater code and manual became effective on january 1, 2016.
January 2016 clark county adopted its stormwater management manual 2015 containing standards equivalent to the 2012 swmmww which included mandatory lid. Ccsm clark county stormwater manual 2015 errata november 2016 ccswmp clark county stormwater management plan cip capital improvement program county manager executive officer for clark county cwd the clean water division, a division of clark county public works ecology washington state department of ecology. Revisions to the green communities criteria 2015, changes to the washington state energy code 2015, and stakeholder recommendations for improvement necessitated significant revisions to the esds. Volume 3 project stormwater control table of contents stormwater manual directors rule 172017, dww200 august 2017 i table of contents. Cfw addendum to the kcswdm page 1 of 29 2162010 addendum to the king county surface water design manual effective date february 16, 2010. Modeling climate change impacts on extreme precipitation. The adoption of the king county surface water design manual or kcswdm includes the adoption of the grading.
You can find the stormwater code on the seattle municipal code website. I nvestigates surface water problems where engineering support is needed contact island county public works address. Maintenance standards modified appendix a of king county surface water design manual. City of bothell, washington surface water design manual 2016. Annex bldg 1 ne 6th st coupeville, wa 982395000 360 6797331. 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. February 1, 2015 that meets the tape requirements for attaining a guld for. King countys 2015 strategic climate action plan calls for assessments of. The january 2016 city of tacoma city rightofway design manual design manual has been updated with a july 2016 errata version and can be found via the link below. Appendix 10 equivalent programs for runoff controls for new. On the losing side were government officials in snohomish county and king county and a homebuilders group.
Washington state department of ecology, stormwater management manual for western washington, 2005. Please fill out all required fields before submitting your information. Of the 43 streams assessed, 11 were tested for both. Addendum to the kcswdm page 3 of 20 912011 acknowledgements the city of seatac gratefully acknowledges the contributions the city of federal way has made. Drainage utility and stormwater management city of kent. The king county version of chapter 3 applies to proposals. Per the city of kirklands national pollutant discharge elimination system npdes permit, the 2016 king county surface water design manual kcswdm, 2016 king county pollution prevention manual. Project minimum requirements provides information regarding how to. The city of kenmore has made no changes to chapter 3 of the 2016 kcswdm. It made low impact development principles and best management practices the preferred and commonly used approach for development. 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. Printed copies of the 2016 swdm are not being provided. Surface water health report card 3 water quality and biological health 4.
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