Regulations & Permits

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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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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