City of gig harbor stormwater management and site development. Hydrologichydraulic software programs and data king county. Surface water design manual addendum preface how to use this. As of january 1, 2017, all new and redevelopment construction projects, both private and public, must comply with the 2016 king county surface water design manual. Center for watershed protection, ellicott city, maryland. County surface water design manual and the city of kirkland addendum to the 2016 king county surface water design manual constitutes a violation of this chapter, and shall be enforced against the. City of kent surface water design manual january 2017 how to use this document the city of kent has adopted the 2016 king county surface water design manual kcswdm as amended by this document. 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. 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 2002 kent surface water design manual kswdm adopts the 1998 king county surface water design manual kcswdm and applies to development.
The city also directly adopts the latest version of the king county stormwater pollution prevention manual best management practices for commercial, multifamily and residential properties, prepared by the king. Equivalent stormwater manuals for municipal stormwater. Surface water design manual addendum preface how to use this document general introduction the city of newcastle the city adopted the 2016 king county surface water design manual 2016 kcswdm in order to be in compliance with the washington state department of ecology phase ii municipal stormwater permit. King county surface water design manual how is king county. Surface water management design king county surface water design manual kcswdm 2016 edition. Surface water design manual addendum general introduction the city of kenmore adopted the 2016 king county surface water design manual 2016 kcswdm in order to be in compliance with the washington state department of ecology phase ii municipal stormwater permit. 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. Stormwater management manual for western washington. King county surface water design manual, king county department of natural resources, seattle, washington. The city has previously adopted the earlier versions of the kcswdm to guide stormwater standards within the city.
Clean water services design and construction standards building codes. 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. Surface water design manual, king county, washington, january 9, 2009. King county surface water design manual, 2005 seattle public utilitieslow impact development guidelines january 2010 volume i minimum technical requirements iii. Per the city of kirklands national pollutant discharge elimination system npdes permit, the following documents were adopted by city council and are in effect for new projects as of january 1, 2017.
King county surface water design manual listed as kcswdm. Buriens surface water features lakes, wetlands, streams, and puget sound are a significant part of our natural beauty and rich heritage. The city of snoqualmie references the 2016 king county surface water design manual as its primary guidance document for stormwater design. Washington state department of ecology, stormwater management manual for western washington, 2005. 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. Wdwf integrated streambank protection guidelines, published by washington department of fish and wildlife. Design manuals from the pacific northwest green roofs. The kent manual adopts the 2016 king county surface water design manual kcswdm and applies to development proposals within the city of kent.
The user has the option of downloading individual pages for each chapterappendix separately or all the changes for each chapterappendix with one download for each chapterappendix. A site development permit is added to the permits and approvals listed in section 1. Title 9 surface water management king county, washington. This exemption was eliminated in ecologys 202018 phase ii permit. Louise kulzer king county surface water management bill leif snohomish county stormwater management jim lenhart stormwater management stan miller spokane county gary minton, phd resource planning associates mel oleson boeing co. The kcswdm has been adopted to meet the requirements of the clean water act, the endangered species act and state growth management act. Previously the city retained this threshold from earlier king county manuals because this was allowed by the phase ii permit. To view the adobe acrobat maps you need acrobat reader, version 3. City of sammamish surface water design manual addendum city of sammamish surface water design manual addendum page 6 of 35 king county code kcc description sammamish municipal code smc description title 2 administration 20 administrative procedures, environmental policy 21a.
Appendix c 2005 final 11905 king county, washington. Acknowledgments this is the fourth edition of the water system. Additionally, all new development and redevelopment projects in the city of snoqualmie must follow the stormwater standards from the 2016 city of snoqualmie addendum to the 2016 king county surface water design manual. Manual was developed with considerable assistance from a technical. Stormwater best management practice design and maintenance.
Application of the design manuals targeted protection levels is determined from the following three application maps of king county. Design specifications were also drawn from a number of other sources. Stormwater manuals washington state department of ecology. How to abbreviate king county surface water design manual. In some cases, municipal stormwater permittees have the option of either adopting portions of the appropriate stormwater manual or portions of a regional manual determined to be equivalent to the ecology manual. City of bothell, washington surface water design manual 2016. The design guidance contained in the new development and redevelopment best management practice handbook was also used in the preparation of this manual. Training on 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. King county surface water management design manual. The 2016 king county, washington, surface water design manual as amended by the city of renton. Surface water design manual means the king county surface water design manual and supporting documentation referenced or incorporated in the manual, describing surface and stormwater design and analysis requirements, procedures, and guidance which has been approved by the city of woodinville public services department and which has been. It is recommendedthat the use of the design revisions stated in the king county blanket adjustment l05v0057 for the stormfilter water quality system become the parameters of the of the leaf compost filters as stated in section 1.
The term landslide hazard drainage area in the king county surface water design manual shall have the meaning of landslide and erosion hazard area as defined in chapter. Jul 26, 2016 2005 stormwater pollution prevention manual also known as the bmp manual, this document provides guidance for businesses, public facilities, and other nonresidential entities in unincorporated king county on actions we are all required to take to reduce contamination of stormwater, surface water, and groundwater. In addition to mowing, turf areas typically require water, fertilizer and weed and disease control. This document alone does not provide the necessary information to determine the correct threshold. In general, there are three types of changes, those required by the department of ecology doe, those voluntary edits needed to improve standards. Surface water design and construction city of kirkland. The 2016 king county surface water design manual has been approved by the department of ecology as an equivalent manual. King county surface water design manual how is king county surface water design manual abbreviated. This document includes all changes, additions, and deletions to the kcswdm and is to be used for all. Jan 01, 2019 maintenance of all drainage facilities in compliance with king county maintenance standards is the responsibility of the applicant or property owner as described in the surface water design manual, except those facilities for which king county assumes maintenance and operation as described in k. Swmmww means stormwater management manual for western washington. 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. The kcswdm has been adopted to meet the requirements of the clean water act, the. Final addendum to the king county surface water design manual.
Principle 3 reduce turf area and manage remaining turf for lowimpact. Water system design manual doh pub 331123 revised june 2020. Final addendum to the king county surface water design. Cfw addendum to the kcswdm page 1 of 29 2162010 addendum to the king county surface water design manual effective date february 16, 2010. The city has been issued a phase ii municipal stormwater permit permit effective august 1. Manual on uniform traffic control devices mutcd 2009 revised 2012 institute of transportation engineers trip generation manual 9th edition wsdot standard specifications 2016 edition.
Louise kulzer king county surface water management. May 15, 2018 these programs include the king county surface water design manual. The most popular abbreviation for king county surface water design manual is. Low impact development technical guidance manual for puget sound, 2005 pierce. City addendum to 2016 king county surface water design manual. Addendum to the king county surface water design manual. Notice on vesting under the 2009 king county surface water. This addendum includes minor revisions to the kcswdm to address the differences between king county s and the citys organization and processes. Jan 01, 2017 this addendum to the 2016 king county surface water design manual kcswdm applies to development and redevelopment proposals within the city of seatac city. The snoqualmie addendum lists various amendments to the 2009 king county surface water design manual regarding water quality. However, some practices can reduce or minimize the amount of chemical controls needed. Jul 26, 2016 2005 surface water design manual application maps.
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