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

SGGP training

2016 Sand & Gravel Permit Training Presentation

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

Phase I Municipal Stormwater Permit Appendix 13

Appendix 13. Adaptive Management Requirements

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

Phase I Municipal Stormwater Permit Appendix 2

Appendix 2. Total Maximum Daily Load Requirements

https://ecology.wa.gov/2016phasei-appendix2

Phase I Municipal Stormwater Permit Appendix 3

Appendix 3. Annual Report Questions for the Port of Seattle and the Port of Tacoma

https://ecology.wa.gov/2016phasei-appendix3

Phase I Municipal Stormwater Permit Appendix 4

Appendix 4. Annual Report Questions for Secondary Permittees

https://ecology.wa.gov/2016phasei-appendix4

Phase I Municipal Stormwater Permit Appendix 5

Appendix 5. Notice of Intent for Coverage

https://ecology.wa.gov/2016phasei-appendix5

S5.C.6 Structural Stormwater Control excel workbook

Excel workbook to calculate level of effort proposed in the preliminary permit language

https://ecology.wa.gov/2016-ssc-permittee-with-description

Phase I Municipal Stormwater Permit Appendix 6

Appendix 6. Street Waste Disposal

https://ecology.wa.gov/2016phasei-appendix6

Phase I Municipal Stormwater Permit Appendix 7

Appendix 7. Determining Construction Site Sediment Damage Potential

https://ecology.wa.gov/2016phasei-appendix7

Phase I Municipal Stormwater Permit Appendix 8

Appendix 8. Businesses and Activities that are Potential Sources of Pollutants

https://ecology.wa.gov/2016phasei-appendix8

Phase I Municipal Stormwater Permit Appendix 9

Appendix 9. Stormwater Discharge Monitoring

https://ecology.wa.gov/2016phasei-appendix9

2013-2018 Phase I Municipal Stormwater Permit

This permit regulates stormwater discharges in the most highly populated areas in our state.

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

Phase I Municipal Stormwater Permit 2016 response To Comments

Response to Comments for Permit Modification Effective August 19, 2016

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

2016 Annual Report

2016 Station House Oysters Z. japonica Annual Report

https://ecology.wa.gov/2016wag993004annualrpt

2016 Annual Report

2016 Long Island Oyster Z. japonica Annual Report

https://ecology.wa.gov/2016wag993003annualrpt

2016 Pretreatment Plan

2014 Long Island Oyster Z. japonica Pretreatment Plan

https://ecology.wa.gov/2016wag993003pretrtplan