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Moulton Falls

 
Burnt Bridge Creek

Stormwater

Stormwater code and manual

Clark County has a National Pollution Discharge Elimination System (NPDES) permit effective August 1, 2013 through July 31, 2018. The Washington Department of Ecology permit is part of the federal Clean Water Act. Clark County has operated under such a permit since 1999.

This permit, among other things, specifies new regulations for managing the quantity and quality of stormwater discharged from the county’s stormwater system. To comply with the permit, the county will update applicable development codes, such as and 40.385 Stormwater and Erosion Control and stormwater manuals.

Clark County will pursue updates that are:

  • Flexible and tailored to multiple project types, including making Low Impact Development (LID) the mandatory approach for stormwater management in site development.
  • Compatible with other state and local regulations to protect the environment and support an economically vibrant and liveable community.

For this project, refer to the follow sections for more information:

Public Comment on Review Draft - Municipal Code and Stormwater Manual

The public review and comment period will be from April 11 - May 5, 2014. Refer to the table below for drafts, comment forms and fact sheets. Click here to read the press release, including locations where printed copies are available for review.

Document Type
Document Name Downloadable file
Municipal Code Summary of changes - fact sheet .pdf file
Municipal Code Comment form for code update
[Save the .pdf to your local drive first and then fill in the form]
.pdf file
Municipal Code 13.26A - Clean version .pdf file
  13.26A - strikeout / underline .pdf file
Municipal Code 40.386 - Clean version (replaces 40.385) .pdf file
  40.386 - strikeout / underline .pdf file

 

Document Type
Document Name
Downloadable file
Stormwater Manual How to Review the Manual - fact sheet .pdf file
Stormwater Manual Summary of changes - fact sheet .pdf file
Stormwater Manual Comment form for manual update
[Save the .pdf to your local drive first and then fill in the form]
.pdf file
Stormwater Manual Introduction to manual / TOC .pdf file
  Book 1 with appendices .pdf file (9.2 MB)
  Book 2 with appendices .pdf file (8.6 MB)
  Book 3 with appendices .pdf file (2.3 MB)
  Book 4 with appendices .pdf file (4.6 MB)

 

Tentative schedule for updates

  • Current - March 2014: Draft proposed language for county code and manual updates.
  • April 11 - May 5, 2014: Public comment period for the Review Draft of code and manual language.
  • May 14, 2014 - 11:15-12:15am (subject to change - check the Grid for more details): Work session with Board of County Commissioners to review draft language and public comments.
  • June 2014: Prepare Final Draft to be sent to the Washington State Department of Ecology (DOE) for 90-day review and comment period.
  • June 2014 - February 2015: Revise code and manuals per Ecology comments. Continue public outreach, trainings and workshops with stakeholders and citizens.
  • February 2015 - June 2015: Finalize documents and approvals Board of County Commissioners adoption of code and manual by June 30, 2015.

Resources

The following documents will be referenced throughout the update process.

Document NPDES Permit Requirement
NPDES Permit from the Department of Ecology Clark County is a Phase 1 permittee.
Phase 1 permittee special conditions are required unless otherwise noted.
Clark County Stormwater Manual - November 2009 (PDF 1MB)
- Appendix A (PDF 1MB)
- Appendix B (PDF 7MB)
- Appendix C (PDF 1MB)
- Appendix D (PDF 14MB)
Minimum requirements 1, 2, 5, 6, 7 and 8
Clark County Pollution Control Manual; Best Management Practices
for Businesses and Government Agencies
- January 2009 (PDF)
Minimum requirement 3
Clark County Stormwater Facility Maintenance Manual - January 2009 (PDF) Minimum requirement 9
Stormwater Management Manual for Western WashingtonAugust 2012 Minimum requirements 2, 4, 5, 6, 7 and 8
Washington State Department of Transportation - 2014 Highway Runoff Manual Publicly funded road projects

 

Outreach resources

 

 

 
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