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...
05-03-2017 PRO-C Meeting
05-03-2017 PRO-C Meeting agenda and summary
https://ecology.wa.gov/05-03-2017-pro-c-meeting-agenda-and-summary
2010 SWG Key recommendations
2010 SWG Key recommendations
https://ecology.wa.gov/063010keyrecommendations
June 2014 Status and Trends Recommendations
June 2014 Status and Trends Recommendations
https://ecology.wa.gov/11june2014recommendsrsmpeffectivenesss-t
2010 Stormwater Monitoring and Assessment Strategy for the Puget Sound Region
2010 Stormwater Monitoring and Assessment Strategy for the Puget Sound Region
https://ecology.wa.gov/2010stormwaterstrategy
Stormwater permittee guidance & resources
Resources for general permit application, reporting on monitoring, and technical requirements.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/stormwater-permittee-guidance-resources
Water Treatment Plant General Permit
We regulate drinking water facilities through the use of this permit.
https://ecology.wa.gov/regulations-permits/permits-certifications/water-treatment-plants
Underground Injection Control (UIC) program: Chapter 173-218 WAC
We regulate discharge of injection well fluids to protect against groundwater contamination.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/underground-injection-control-program
Winery general permit
The winery general permit helps prevent possible pollution problems from winery wastewater.
https://ecology.wa.gov/regulations-permits/permits-certifications/winery-permit
Water quality permit database — PARIS
Our PARIS database lets you access water quality permits, discharge-monitoring reports, and more.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/water-quality-permits-database
Water quality individual permit guidance
Guidance and resources for individual wastewater permits; limit pollution, maintain water quality.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/water-quality-permits-guidance
​Burrowing shrimp control
We work with the IPM group to find solutions to control burrowing shrimp in Willapa Bay & Grays Harbor.
https://ecology.wa.gov/regulations-permits/permits-certifications/aquatic-pesticide-permits/burrowing-shrimp-control
Zostera japonica management on commercial clam beds in Willapa Bay general permit
This permit allows the use of an herbicide to control non-native eelgrass in Willapa Bay.
https://ecology.wa.gov/regulations-permits/permits-certifications/aquatic-pesticide-permits/zostera-japonica-eelgrass-management
Chapter 173-224 WAC – Water Quality Permit Fees
This is the rulemaking page for Chapter 173-224 WAC
https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/rulemaking/wac-173-224
Evaluation of Best Management Practices Maintenance Conditions
Study evaluating the maintenance thresholds for select best management practices for stormwater.
https://ecology.wa.gov/regulations-permits/reporting-requirements/stormwater-monitoring/stormwater-action-monitoring/sam-effectiveness-studies/bmp-maintenance-conditions
Specialty Minerals, Longview
We regulate water and hazardous waste at the Specialty Minerals chemical plant in Longview.
https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/specialty-minerals-longview
Industrial Stormwater General Permit
Find information and helpful resources about the Industrial Stormwater General Permit.
https://ecology.wa.gov/regulations-permits/permits-certifications/stormwater-general-permits/industrial-stormwater-permit
Western Washington Hydrology Model
Western WA Hydrology Model models most hydrologic conditions for stormwater control and design.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/stormwater-permittee-guidance-resources/stormwater-manuals/western-washington-hydrology-model
401 Water Quality Certifications for hydropower licenses
We work with the Federal Energy Regulatory Commission (FERC) licensing process for hydropower dams.
https://ecology.wa.gov/regulations-permits/permits-certifications/401-water-quality-certification/certifications-for-hydropower-licenses
Municipal stormwater general permits
This permit covers urban areas that collect stormwater runoff in public storm sewer systems.
https://ecology.wa.gov/regulations-permits/permits-certifications/stormwater-general-permits/municipal-stormwater-general-permits
Plan to control nonpoint sources of pollution
The Nonpoint Plan outlines our approach for addressing water quality impacts from nonpoint pollution.
https://ecology.wa.gov/regulations-permits/plans-policies/plan-to-control-nonpoint-sources-of-pollution
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