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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Rulemaking Overview (WAC 173-18; WAC 173-20; WAC 173-22; WAC 173-26; WAC 173-27)

This is a rulemaking overview for WAC 173-18; WAC 173-20; WAC 173-22; WAC 173-26; WAC 173-27

https://ecology.wa.gov/rulemaking-overview-wac-173-18;-wac-173-20;-wac-173-22;-wac-173-26;-wac-173-27

Shoreline Management Act Rulemaking Public listening session

Slides from our Sept. 23 Listening session

https://ecology.wa.gov/public-listening-session

Local Government Sounding Board Presentation 10-21-24

The SMA Rulemaking sounding board slides for the Oct. 21 meeting.

https://ecology.wa.gov/local-government-sounding-board-oct-21-presentation

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

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

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

2020-21 Project Awards: Chehalis River Basin Aquatic Species Restoration Plan

Descriptive list of state grant awards for aquatic habitat restoration projects in the Chehalis Basin

https://ecology.wa.gov/2020-21-asrp-project-list

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