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...
Chapter 173-26 and 173-27 WAC, Shoreline Management Act
This is the rulemaking page for Chapter 173-26 WAC, Chapter 173-27 WAC
https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/rulemaking/wac-173-26-27-shoreline-management-act
Shoreline permits & enforcement
We support local governments in administering and enforcing shoreline permits.
https://ecology.wa.gov/regulations-permits/permits-certifications/shoreline-permits-enforcement
Shoreline Master Programs Handbook
The Handbook helps local governments update their shoreline master programs.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/shoreline-master-plan-handbook
​SEPA subject index
References to SEPA topics in rule and statute​.
https://ecology.wa.gov/regulations-permits/sepa/environmental-review/sepa-guidance/sepa-subject-index
SEPA checklist guidance, Section B: Water
Guidance to complete Water section for Part B of SEPA environmental checklist.
https://ecology.wa.gov/regulations-permits/sepa/environmental-review/sepa-guidance/sepa-checklist-guidance/sepa-checklist-section-b-environmental-elements/environmental-elements-3-water
SEPA checklist guidance, Section B: Plants
SEPA Guidance for Plants section, Part B for the state Environmental Checklist.
https://ecology.wa.gov/regulations-permits/sepa/environmental-review/sepa-guidance/sepa-checklist-guidance/sepa-checklist-section-b-environmental-elements/environmental-elements-4-plants
SEPA checklist guidance, Section B: Energy & natural resources
Guidance for Energy & natural resources section for Part B, SEPA environmental checklist.
https://ecology.wa.gov/regulations-permits/sepa/environmental-review/sepa-guidance/sepa-checklist-guidance/sepa-checklist-section-b-environmental-elements/environmental-elements-6-energy-natural-resou
SEPA checklist guidance, Section B: Housing
Guidance for completing Housing section for Part B of the SEPA environmental checklist.
https://ecology.wa.gov/regulations-permits/sepa/environmental-review/sepa-guidance/sepa-checklist-guidance/sepa-checklist-section-b-environmental-elements/environmental-elements-9-housing
SEPA checklist guidance, Section B: Light & glare
Guidance for completing Light & glare section in Part B of the SEPA environmental checklist.
https://ecology.wa.gov/regulations-permits/sepa/environmental-review/sepa-guidance/sepa-checklist-guidance/sepa-checklist-section-b-environmental-elements/environmental-elements-11-light-glare
SEPA checklist guidance, Section B: Transportation
Guidance for Transportation section for Part B of SEPA environmental checklist.
https://ecology.wa.gov/regulations-permits/sepa/environmental-review/sepa-guidance/sepa-checklist-guidance/sepa-checklist-section-b-environmental-elements/environmental-elements-14-transportation
Stormwater monitoring
Stormwater monitoring helps us know how well water quality permits are working.
https://ecology.wa.gov/regulations-permits/reporting-requirements/stormwater-monitoring
Frequently flooded areas: Critical Areas Ordinance
Frequently flooded areas are covered by Critical Areas Ordinances promoting safety from floods.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/guidance-for-floodplains-critical-areas-ordinanc
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
SEPA Supplemental Orca Checklist Guidance
This guidance helps applicants complete the SEPA Supplemental Orca Checklist.
https://ecology.wa.gov/regulations-permits/sepa/environmental-review/sepa-guidance/sepa-checklist-guidance/sepa-checklist-supplemental-orca-checklist-guidanc
401 Water Quality Certifications for non-hydropower permits
We review projects needing federal approval to assure compliance with state water quality standards.
https://ecology.wa.gov/regulations-permits/permits-certifications/401-water-quality-certification/non-hydropower-401-certifications
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
​SEPA Review and Commenting Guidance
SEPA guidance for document reviewers.
https://ecology.wa.gov/regulations-permits/sepa/environmental-review/sepa-guidance/review-commenting
Imperium expansion proposal
Imperium Terminal Services proposed expanding its existing transport facility in Hoquiam.
https://ecology.wa.gov/regulations-permits/sepa/environmental-review/sepa-at-ecology/grays-harbor-terminal-expansion/imperium-expansion-proposal
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