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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2015 Water Quality Financial Assistance Applications

Record of those who applied for Water Quality Financial Assistance in 2015

https://ecology.wa.gov/2015-water-quality-financial-assistance-applicatio

Previous Permit 2014 Fact Sheet

Water Treatment Plant 2014 previous permit fact sheet.

https://ecology.wa.gov/wtp-previous-fact-sheet

Ecology Water Quality Combined Funding Program Fiscal Year 2024 List of Applicants

List of applications that applied for Ecology Water Quality Combined Funding Program grants in Fiscal Year 2024

https://ecology.wa.gov/wqc-2023-list-of-applicants

Wastewater Training sign in sheet

This is for instructors to use as a means to document student attendance.

https://ecology.wa.gov/ww-training-sign-in-sheet

Wastewater Operator Certification WAC

This is the Washington Adminstration Code that governs how we certify operators. It also shows how plants are classified at the end of the document.

https://ecology.wa.gov/ww-wac

Water Quality Combined Funding Program - Recipient Training - Environmental Review for Loans

For funding recipients of our Water Quality Combined Funding Program, this is the Environmental Review for loan funded project types part of the Recipient Training workshop

https://ecology.wa.gov/wqc-recipient-training-environmental-review-sessio

Water Quality Combined Funding Program - Recipient Training - Nonpoint Sessions 1 & 2

For funding recipients of our Water Quality Combined Funding Program, this is the Nonpoint project type part of the Recipient Training workshop

https://ecology.wa.gov/wqc-recipient-training-nonpoint-sessions-1-2

Water Quality Combined Funding Program - Recipient Training - Stormwater Session 1

For funding recipients of our Water Quality Combined Funding Program, this is the Stormwater project type part of the Recipient Training workshop

https://ecology.wa.gov/ecology-water-quality-combined-funding-program-3

Water Quality Combined Funding Program - Recipient Training - Stormwater Session 2

For funding recipients of our Water Quality Combined Funding Program, this is the Stormwater project type part of the Recipient Training workshop

https://ecology.wa.gov/wqc-recipient-training-stormwater-session-2

Water Quality Combined Funding Program - Recipient Training - Stormwater Session 2

For funding recipients of our Water Quality Combined Funding Program, this is the Stormwater project type part of the Recipient Training workshop

https://ecology.wa.gov/wqc-recipient-training-stormwater-session-3

Water Quality Combined Funding Program Recipient Training - Wastewater Session 1

For funding recipients of our Water Quality Combined Funding Program, this is the Wastewater Facility project type part of the Recipient Training workshop

https://ecology.wa.gov/ecology-water-quality-combined-funding-program-5

Water Quality Combined Funding Program Recipient Training - Wastewater Session 2

For funding recipients of our Water Quality Combined Funding Program, this is the Wastewater Facility project type part of the Recipient Training workshop

https://ecology.wa.gov/wqc-recipient-training-wastewater-session-2

Western Washington Phase II Municipal Stormwater Permit Appendix 1

Appendix 1. Minimum Technical Requirements or New Development and Redevelopment

https://ecology.wa.gov/wwaphaseii-app1

Western Washington Phase II Municipal Stormwater Permit Appendix 2

Appendix 2. Total Maximum Daily Load Requirements

https://ecology.wa.gov/wwaphaseii-app2

Western Washington Phase II Municipal Stormwater Permit Appendix 3

Appendix 3. Annual Report Questions for Cities, Towns and Counties

https://ecology.wa.gov/wwaphaseii-app3

Western Washington Phase II Municipal Stormwater Permit Appendix 4

Appendix 4. Annual Report Questions for Secondary Permittees