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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Local Government Sounding Board Kickoff presentation

Slides for our Local Government Sounding Board Kickoff meeting

https://ecology.wa.gov/local-government-sounding-board-kickoff

Local Government Sounding Board Charter

Charter for the SMA Rulemaking Local government Sounding Board.

https://ecology.wa.gov/sounding-board-charter

Chehalis draft EIS - vicinity map for the proposed Chehalis River Basin Flood Damage Reduction Project

Map showing the location where Flood District's proposed projects would occur.

https://ecology.wa.gov/chehaliseis-vicinitymap

Local Government Sounding Board presentation Jan. 22

Slides from our January 22, 2025, local government sounding board meeting.

https://ecology.wa.gov/local-government-sounding-board-january-22-2025-presentation

Upland Finfish Hatching & Rearing General Permit

This water quality permit covers certain hatcheries that raise finfish species.

https://ecology.wa.gov/regulations-permits/permits-certifications/upland-finfish-permit

Stormwater Action Monitoring - Effectiveness studies

Learning what works best to reduce urban runoff volumes and pollution in Western Washington.

https://ecology.wa.gov/regulations-permits/reporting-requirements/stormwater-monitoring/stormwater-action-monitoring/sam-effectiveness-studies

Stormwater Action Monitoring - Administering pooled resources

Credible and transparent administration of Stormwater Action Monitoring program.

https://ecology.wa.gov/regulations-permits/reporting-requirements/stormwater-monitoring/stormwater-action-monitoring/administration

Stormwater monitoring

Stormwater monitoring helps us know how well water quality permits are working.

https://ecology.wa.gov/regulations-permits/reporting-requirements/stormwater-monitoring

Goldendale Energy Storage Project

Environmental review and permitting for the proposed Goldendale Energy Storage Project.

https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/goldendale-energy

BP Refinery

We regulate water, hazardous waste, and cleanup activities at the BP Cherry Point Refinery in Blaine.

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

Sand & Gravel Permit guidance

Guidance to implement your Sand & Gravel General Permit.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/stormwater-permittee-guidance-resources/sand-and-gravel-permit-guidance

HF Sinclair Puget Sound Refinery

We regulate water and hazardous waste activities at the HF Sinclair Puget Sound Refinery in Anacortes.

https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/hf-sinclair-puget-sound-refinery

Alcoa Intalco

We regulate air, water, hazardous waste, & cleanup at the Alcoa Intalco Aluminum Corp. in Ferndale.

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

Port Townsend Paper

We regulate air, water, and hazardous waste at the Port Townsend Paper Corp. pulp and paper mill

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

Sprague Lake Community Mtg

Sprague Lake Hydrology Analysis Community Kick-Off Meeting November 22, 2022

https://ecology.wa.gov/sprague-lake

Cannabis licensing and the environment

Environmental permits may be required for cannabis growers and processors.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/guidance-for-cannabis-businesses

Heat pump & air conditioning return flow UIC wells

Groundwater circulated through a heat pump/air conditioning (HAC) system has to meet requirements.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/underground-injection-control-program/heat-pump-air-conditioning-return-flow-wells

Underground injection control well registration requirements & information

Get Underground Injection Control (UIC) well registration requirements and information.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/underground-injection-control-program/uic-registration-requirements-information

401 Water Quality Certifications for federal facilities

EPA writes NPDES permits for federal facilities. We issue water quality certifications for permits.

https://ecology.wa.gov/regulations-permits/permits-certifications/401-water-quality-certification/certifications-for-npdes-federal-permits

MOU

Memorandum of Understanding (MOU) between U.S. Bureau of Reclamation and Ecology signed in 2022.

https://ecology.wa.gov/mou