Regulations & Permits

Use this portal to filter and search for all of our regulatory information.

We oversee many state and federal laws designed to protect Washington's land, air, and water. See our laws, rules, & rulemaking page for more information about our current rules and rulemaking.

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Building Soil: Guidelines and Resources for Implementing Soil Quality and Depth BMP T5.13

Best management practices for composting and soil management.

https://ecology.wa.gov/building-soil-guidelines-and-resources-for-implem

ATTACHMENT 1: OPINION OF RECIPIENT'S LEGAL COUNSEL

Legal counsel attachment for loan agreement

https://ecology.wa.gov/attachment-1-opinion-of-recipient-s-legal-counsel

Clarification on Class 5 UIC well practices from EPA

Read EPA's clarification on which stormwater infiltration practices/technologies we may regulate as a Class 5 UIC well

https://ecology.wa.gov/class5wellepamemo

Bid Specifications Insert for 319 grant funded projects

Bid Specifications insert for Water Quality 319 grant funded projects

https://ecology.wa.gov/bid-specifications-insert-for-319-grant-funded-pro

Bed Specifications insert for Centennial grant funded projects

Bed Specifications insert for Water Quality Centennial grant funded projects

https://ecology.wa.gov/bid-specifications-insert-for-centennial-funded-pr

CARA Scoping Detail by Topic

This excel spreadsheet is an easy way to give us feedback by topic for the CARA Guidance Scoping

https://ecology.wa.gov/cara-scoping-detail-by-topic-1

Ecology Water Quality Grants and Loans BMP Approval Form

BMP Approval Form for Ecology Water Quality Grants and Loans funding and projects

https://ecology.wa.gov/bmp-approval-form

BioMod for Stormwater Runoff Filtration

A letter from Ecology stating this technology is equivalent to a bioretention planter box.

https://ecology.wa.gov/biomod

Silt Fence BMP

Best managment practice for Silt Fence.

https://ecology.wa.gov/bmpc233siltfencefe

BMP Supplies Spring Berm

This letter determines that the Best Management Practices Supplies Spring Berm is functionally equivalent to the C207 (Check Dam) and C208 (Triangular Silt Dike) Best Management Practices.

https://ecology.wa.gov/bmpsupplies

Brentwood StormTank Modeling

Modeling report using the Western Washington Hydrology Model to size Brentwood StormTank for stormwater runoff and flow control.

https://ecology.wa.gov/brentwood-stormtankmodelingwwhm

CAFO Transfer of Coverage Form

Concentrated animal feeding operation transfer of coverage form

https://ecology.wa.gov/cafo-transfer-of-coverage-form

Bioretention Inspection Form

Low Impact Development guidance - Bioretention Inspection Form

https://ecology.wa.gov/bioretentioninspectionform

Chart of Changes between the 2005 and 2012 Stormwater Management Manual for Western Washington

This shows which sections changed between the 2005 and 2012 SWMMWW

https://ecology.wa.gov/changechart

Car maintance fact sheet WQ

Washington Waters Ours to Protect car maintenance fact sheet WQ

https://ecology.wa.gov/car-maintenance-fact-sheet-wq

Car washing fact sheet English

Washington Waters Ours to Protect car washing fact sheet English

https://ecology.wa.gov/car-washing-fact-sheet-english

Car washing fact sheet Spanish

Washington Waters Ours to Protect car washing fact sheet Spanish

https://ecology.wa.gov/car-washing-fact-sheet-spanish

Car maintenance poster WQ

Washington Waters Ours to Protect car maintenance poster

https://ecology.wa.gov/car-maintenance-poster-wq

Car washing poster English

Washington Waters Ours to Protect car washing poster English

https://ecology.wa.gov/car-washing-poster-english

Car washing poster Spanish

Washington Waters Ours to Protect car washing poster Spanish

https://ecology.wa.gov/car-washing-poster-spanish