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.
Applicability for Winery Permit Decision Tree
This decision tree graphic helps people decide if they need a winery permit.
https://ecology.wa.gov/applicability-for-winery-permit-decision-tree
Approval Letter
Letter showing Brentwood StormTank for is approved for use in stormwater runoff filtration.
https://ecology.wa.gov/approvalletter
Application of Water Quality Criteria to Brackish Waters
Chapter 173-201A of the Washington Administrative Code (WAC), the Surface Water Quality Standards (standards) contains the description of the designated uses associated with each waterbody in the state. Special circumstances that require further instructions to determine which numeric criteria apply to a designated use category are guided by the rules in subsection 260(3).
https://ecology.wa.gov/applicationwqcriteriabrackishwaters
Attachment 1-I - Effluent characterization requirements
Effluent characterization requirements for industrial NPDES permit applications
https://ecology.wa.gov/att1-ind_per_app
Aquatic Plant and Algae Management General Permit Fact Sheet
Aquatic Plant and Algae Management General Permit Fact Sheet
https://ecology.wa.gov/apamfactsheet
Aquatic Plant and Algae Management General Permit
Aquatic Plant and Algae Management General Permit
https://ecology.wa.gov/apampermit
Aquatic Plant and Algae Management General Permit Response to comments
Aquatic Plant and Algae Management General Permit Response to comments
https://ecology.wa.gov/apamresponse
Aquatic Plant and Algae Management General Permit Shoreline sign templates
Aquatic Plant and Algae Management General Permit Shoreline sign templates
https://ecology.wa.gov/apamshoreline
APAM product to active ingredient conversion table
Product to active ingredient conversion table
https://ecology.wa.gov/apamtable
Eastern Washington Phase II Municipal Stormwater Permit Appendix 1
Appendix 1. Minimum Technical Requirements
https://ecology.wa.gov/appx1ewaphaseii2014
Applications for Sediment Impact Zone authorizations for Grays Harbor
Burrowing shrimp document: Applications for Sediment Impact Zone authorizations for Grays Harbor
https://ecology.wa.gov/applications-for-sediment-impact-zone-authoriz-1
Applications for Sediment Impact Zone authorizations for Willapa Bay
Burrowing shrimp docmuent: Applications for Sediment Impact Zone authorizations for Willapa Bay
https://ecology.wa.gov/applications-for-sediment-impact-zone-authorizatio
Eastern Washington Phase II Municipal Stormwater Permit Appendix 2
Appendix 2. Total Maximum Daily Load Requirements
https://ecology.wa.gov/appx2ewaphaseii2014
Eastern Washington Phase II Municipal Stormwater Permit Appendix 3
Appendix 3. Annual Report Questions for Cities, Towns and Counties
https://ecology.wa.gov/appx3ewaphaseii2014
Eastern Washington Phase II Municipal Stormwater Permit Appendix 4
Appendix 4. Annual Report Form for Secondary Permittees
https://ecology.wa.gov/appx4ewaphaseii2014
Effluent Characterization for Permit Application (Attachment A)
Ecology preferred lab methods for stormwater discharge monitoring.
https://ecology.wa.gov/attachment1-ijune2013
Eastern Washington Phase II Municipal Stormwater Permit Appendix 5
Appendix 5. Notice of Intent for Coverage
https://ecology.wa.gov/appx5ewaphaseii2014
Eastern Washington Phase II Municipal Stormwater Permit Appendix 6
Appendix 6. Street Waste Disposal
https://ecology.wa.gov/appx6ewaphaseii2014
Building Industry Association of Washington & Associated General Contractors Appeal
Appeal of 2005 Construction Stormwater General Permit by the Building Industry Association of Washington & Associated General Contractors
https://ecology.wa.gov/associatedgeneralcontractors
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