Regulations & Permits

Use this portal to filter and search for all of our regulatory information.

Regulations & Permits icon

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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Regulations & Permits

Use this portal to filter and search for all of our regulatory information.

Regulations & Permits icon

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...
Story Maps: Sediment Quality in Puget Sound
This series of colorful, interactive story maps describes the work of our Marine Sediment Monitoring Team. These scientists conduct long-term monitoring to assess and determine change over time in the condition of Puget Sound sediments and the animals that live in them.
https://ecology.wa.gov/Asset-Collections/Link-Assets/Puget-Sound/Sediment-story-map
NDZ supplemental letter requested by EPA
This is the letter requested of Ecology regarding the NDZ petition.
https://ecology.wa.gov/Asset-Collections/Doc-Assets/Puget-Sound/No-discharge-zone/EPALetterVesselPumpoutAvailabilityOct2016-pdf
Matheson Tri-Gas, Anacortes
We regulate water and hazardous waste activities at the Linde hydrogen plant in Anacortes.
https://ecology.wa.gov/Regulations-Permits/Permits-certifications/Industrial-facilities-permits/Matheson-Anacortes
Puget Sound Energy Ferndale Generating Station
We regulate water and hazardous waste at the PSE Ferndale electricity cogeneration station.
https://ecology.wa.gov/Regulations-Permits/Permits-certifications/Industrial-facilities-permits/Puget-Sound-Energy-Ferndale-Generating-Station
Tesoro Logistics Anacortes Facility
We regulate water and hazardous waste at the Tesoro Logistics operations in Anacortes.
https://ecology.wa.gov/Regulations-Permits/Permits-certifications/Industrial-facilities-permits/Tesoro-Logistics-Anacortes
U.S. Oil Refinery
We regulate water and hazardous waste at the U.S. Oil and Refining Co. oil refinery in Tacoma.
https://ecology.wa.gov/Regulations-Permits/Permits-certifications/Industrial-facilities-permits/US-Oil-Refining
Equivalent stormwater manuals for municipal stormwater permits
We provide information for municipal stormwater permittees about equivalent stormwater manuals for Phase I and both the Eastern and Western Washington Phase II municipal stormwater permits.
https://ecology.wa.gov/Regulations-Permits/Guidance-technical-assistance/Stormwater-permittee-guidance-resources/Stormwater-manuals/Equivalent-Stormwater-Manuals-for-Municipal-stormw
Puget Sound Tide Model
A research tool programmed in Python by David Finlayson for predicting the tides of the Sound. The model was originally developed by Lavelle et al. (1988) at NOAA PMEL and subsequently updated by H. Mofjeld to include the full suite of standard tidal constituents.
https://ecology.wa.gov/Asset-Collections/Link-Assets/Research-Data/Puget-Sound-Tide-Model-zip
Budd Inlet
Publication index: documents and posters related to water quality in Budd Inlet
https://ecology.wa.gov/Asset-Collections/Link-Assets/Water-quality/Budd-Inlet
Salish Sea Model
Publication index: documents and posters about the Salish Sea Model
https://ecology.wa.gov/Asset-Collections/Link-Assets/Research-Data/Salish-Sea-Model
CR-101 Form (WAC 173-228) 07/05/17
This is a rulemaking announcement (CR-101) for WAC 173-228 Vessel Sewage No Discharge Zones
https://ecology.wa.gov/Asset-Collections/Doc-Assets/Rulemaking/WQ/WAC173-228_-17-02/CR-101-Form-(WAC-173-228)-07-05-17
Rulemaking Proposal (WAC 173-228) 10/04/17
This is a rulemaking proposal (CR-102) for WAC 173-228 Sewage No Discharge Zones
https://ecology.wa.gov/Asset-Collections/Doc-Assets/Rulemaking/WQ/WAC173-228_-17-02/Rulemaking-Proposal-(WAC-173-228)-10-04-17
Rulemaking Proposed Language (WAC 173-228) 10/04/17
This is proposed rule language for WAC 173-228 Sewage No Discharge Zones
https://ecology.wa.gov/Asset-Collections/Doc-Assets/Rulemaking/WQ/WAC173-228_-17-02/Rulemaking-Proposed-Language-(WAC-173-228)-10-04-1
Rulemaking Draft Citation List (WAC 173-228) 10/04/17
This is the draft citation list for WAC 173-228 Vessel Sewage No Discharge Zones
https://ecology.wa.gov/Asset-Collections/Doc-Assets/Rulemaking/WQ/WAC173-228_-17-02/Rulemaking-Draft-Citation-List-(WAC-173-228)-10-04
2016 MOU with final amendment
This is the memorandum of understanding regulating cruise ship waste discharge.
https://ecology.wa.gov/Asset-Collections/Doc-Assets/Puget-Sound/Helping-Puget-Sound/2016MOUAmendment
Car washing poster English
Washington Waters Ours to Protect car washing poster English
https://ecology.wa.gov/Asset-Collections/Doc-Assets/About-Us/What-you-can-do/Washington-waters,-ours-to-protect/Car-washing/Car-washing-poster-English
Eyes Over Puget Sound - Latest
Surface conditions of Puget Sound - high-resolution aerial photo observations with data from our monthly monitoring stations and en route ferry transects.
https://ecology.wa.gov/Asset-Collections/Doc-Assets/Research-Data/Monitoring-Assessment/Saltwater-studies/Eyes-Over-Puget-Sound
Commercial Vessel Sewage Pumpout Options
List of commercial vessel sewage pumpout options
https://ecology.wa.gov/Asset-Collections/Doc-Assets/Puget-Sound/No-discharge-zone/Commercial-Vessel-Sewage-Pumpout-Options
Puget Sound No Discharge Zone Signs Order Form
This is a form to order free Puget Sound No Discharge Zone Signs for your marinas or boat launch areas.
https://ecology.wa.gov/Asset-Collections/Doc-Assets/Puget-Sound/No-discharge-zone/NDZ-signs-order-form
Infographics
An infographic with key facts about the No Discharge Zone
https://ecology.wa.gov/Asset-Collections/Doc-Assets/Puget-Sound/No-discharge-zone/Infographics
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