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.

See more about this collection...

2016 Water Quality Financial Assistance Applications

This is the 2016 Financial Assistance Application for Water Quality Grants and Loans

https://ecology.wa.gov/2016-water-quality-financial-assistance-applicatio

Appendix 1 to the Phase I Municipal Stormwater Permit

Minimum Technical Requirements or New Development and Redevelopment

https://ecology.wa.gov/2016phasei-appendix1

Phase I Municipal Stormwater Permit Appendi10

Appendix 10. Equivalent Programs for Runoff Controls for New and Redevelopment and Construction Sites

https://ecology.wa.gov/2016phasei-appendix10

Phase I Municipal Stormwater Permit Appendix 11

Appendix 11. Structural Stormwater Controls Project List

https://ecology.wa.gov/2016phasei-appendix11

Phase I Municipal Stormwater Permit Appendix 12

Appendix 12. Annual Report Questions for Cities and Counties

https://ecology.wa.gov/2016phasei-appendix12

Phase I Municipal Stormwater Permit Appendix 13

Appendix 13. Adaptive Management Requirements

https://ecology.wa.gov/2016phasei-appendix13

2015 Annual Report

2015 Coast Seafood Z. japonica Annual Report

https://ecology.wa.gov/2015wag993011annualrpt

2015 Pretreatment Plan

2015 Coast Seafood Z. japonica Pretreatment Plan

https://ecology.wa.gov/2015wag993011pretrtplan

2015 Annual Report

2015 Willapa Bay Shellfish Z. japonica Annual Report

https://ecology.wa.gov/2015wag993008annualrpt

2015 Draft Construction Stormwater General Permit

National Pollutant Discharge Elimination System (NPDES) and State Waste Discharge General Permit for Stormwater Discharges Associated with Construction Activity.

https://ecology.wa.gov/2016cswgpdraft

2015 Draft Construction Stormwater General Permit with Track Changes

National Pollutant Discharge Elimination System (NPDES) and State Waste Discharge General Permit for Stormwater Discharges Associated with Construction Activity.

https://ecology.wa.gov/2016cswgpdraftredline

2015 Pretreatment Plan

2015 Willapa Bay Shellfish Z. japonica Pretreatment Plan

https://ecology.wa.gov/2015wag993008pretrtplan

2015 Annual Report

2015 Wiegardt and Sons Z. japonica Annual Report

https://ecology.wa.gov/2015wag993006annualrpt

2015 Pretreatment Plan

2015 Wiegardt and Sons Z. japonica Pretreatment Plan

https://ecology.wa.gov/2015wag993006pretrtplan

2015 Annual Report

2015 Northern Oyster Company Z. japonica Annual Report

https://ecology.wa.gov/2015wag993007annualrpt

2015 Annual Report

2015 Herrold Fish Oyster Z. japonica Annual Report

https://ecology.wa.gov/2015wag993009annualrpt

2015 Annual Report

2015 Heckes Clam Inc Z. japonica Annual Report

https://ecology.wa.gov/2015wag993010annualrpt

2015 Pretreatment Plan

2015 Heckes Clam Inc Z. japonica Pretreatment Plan

https://ecology.wa.gov/2015wag993010pretrtplan

2015 Pretreatment Plan

2015 Herrold Fish Oyster Z. japonica Pretreatment Plan

https://ecology.wa.gov/2015wag993009pretrtplan

2015 Pretreatment Plan

2015 Northern Oyster Company Z. japonica Pretreatment Plan

https://ecology.wa.gov/2015wag993007pretrtplan