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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Centroid calculator

An Excel/VBA program to calculate the centroid of a time-concentration series or any x-y series of data.

https://ecology.wa.gov/xlsm-centroid-calculator

Received through January 18, 2012: Comments on Ecology's Fish Consumption Rates Technical Support Document (Version 1)

Comments received through January 18, 2012, in response to Ecology's Fish Consumption Rates Technical Support Document (Version 1).

https://ecology.wa.gov/20120118fcrcommentsforversion1

BEACH Annual Report Summary 2004 - 2018

Beaches passing swimming standard from 2004 - 2018

https://ecology.wa.gov/table-beach-annual-report-summary

Received through January 18, 2012: Emailed form comments in response to Ecology's Fish Consumption Rates Technical Support Document (Version 1).

Emailed (form) comments received through January 18, 2012, in response to Ecology's Fish Consumption Rates Technical Support Document (Version 1).

https://ecology.wa.gov/20120118fcrformlettercommentsforversion1

Stormwater Manual Handout 3

Best Management Practices handout for the stormwater management manual meetings.

https://ecology.wa.gov/swm-3

Water Quality Combined Funding SFY2019 Final Offer List

List of funded and unfunded projects seeking grant and loan funding in the State Fiscal Year 2019 cycle of the Water Quality Combined funding program.

https://ecology.wa.gov/wqc-fy19-final-offer-list-excel-version

Applicant Prep Tool for Water Quality Combined Funding Applications in EAGL

This is the Applicant Prep Tool document for people applying for funding via a Water Quality Combined funding program application in EAGL.

https://ecology.wa.gov/wqc-eagl-applicant-prep-tool

Applicant Prep Tool for Water Quality Stormwater

This is the Applicant Prep Tool document for people applying for funding via a Water Quality Combined (specifically stormwater projects) funding program application in EAGL.

https://ecology.wa.gov/wqc-eagl-applicant-prep-tool-for-stormwater

Water Quality Combined funding program - Recipient Training - Resources List

For funding recipients of our Water Quality Combined Funding Program, this is the resources list for the Recipient Training workshop.

https://ecology.wa.gov/wqc-recipient-training-resource-list

Water Quality Combined funding program State Fiscal Year 2023 Applicant Workshop Notice

This is the announcement and detailed information for the Water Quality Combined funding program's State Fiscal Year 2023 Applicant Workshop for anyone wanting to apply for loan or grant funding from the Water Quality Combined funding program in this next application cycle.

https://ecology.wa.gov/wqc-fy2019-applicant-workshop-notice

Yard care fact sheet W WA English

Washington Waters Ours to Protect yard care fact sheet W WA English

https://ecology.wa.gov/yard-care-fact-sheet-w-wa-english

Yard care fact sheet W WA Spanish

Washington Waters Ours to Protect yard care fact sheet W WA Spanish

https://ecology.wa.gov/yard-care-fact-sheet-w-wa-spanish

Yard care poster W WA English

Washington Waters Ours to Protect yard care poster W WA English

https://ecology.wa.gov/yard-care-poster-w-wa-english

Yard care poster W WA Spanish

Washington Waters Ours to Protect yard care poster W WA Spanish

https://ecology.wa.gov/yard-care-poster-w-wa-spanish

Shellfish aquaculture 401 certification

We modified our certification process for shellfish growers because of new federal requirements.

https://ecology.wa.gov/regulations-permits/permits-certifications/401-water-quality-certification/shellfish-aquaculture

McKinley Paper Company

We regulate water and hazardous waste at the McKinley Paper Co. mill in Port Angeles.

https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/mckinley-paper

Phillips 66 Refinery

We regulate water and hazardous waste activities at the Phillips 66 refinery in Ferndale.

https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/phillips-66-refinery

SeaPort Sound Terminal

We regulate water and hazardous waste activities at the SeaPort Sound Terminal in Tacoma.

https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/seaport-sound-terminal

Tesoro Refinery

We regulate water, hazardous waste, and cleanup at Tesoro Refining & Marketing Company in Anacortes.

https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/tesoro-refinery

Cruise ships in Washington waters

Formal agreement with cruise ship companies helps prevent pollution and protect marine waters.

https://ecology.wa.gov/regulations-permits/permits-certifications/cruise-ship-memorandum-of-agreement-mou