Regulations & Permits

We oversee many state and federal laws designed to checklist icon 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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State Environmental Policy Act (SEPA)

We provide information about the State Environmental Policy Act (SEPA).

https://ecology.wa.gov/regulations-permits/SEPA-environmental-review

SEPA document templates (forms)

SEPA checklist with guidance plus other suggested templates for SEPA notices.

https://ecology.wa.gov/Regulations-Permits/SEPA/Environmental-review/SEPA-document-templates

Ecology as SEPA lead agency

For some proposals, we lead or co-lead the environmental review.

https://ecology.wa.gov/Regulations-Permits/SEPA/Environmental-review/SEPA-at-Ecology

SEPA lead agency contacts

Browse tables containing SEPA contacts at state and local agencies in Washington.

https://ecology.wa.gov/Regulations-Permits/SEPA/Environmental-review/SEPA-lead-agency-contacts

SEPA Frequently Asked Questions

SEPA questions and answers.

https://ecology.wa.gov/Regulations-Permits/SEPA/Environmental-review/SEPA-guidance/SEPA-FAQ

SEPA guide for project applicants

SEPA guidance for private proponents.

https://ecology.wa.gov/Regulations-Permits/SEPA/Environmental-review/SEPA-guidance/Guide-for-project-applicants

SEPA Guide for lead agencies

SEPA guidance for lead agencies.

https://ecology.wa.gov/Regulations-Permits/SEPA/Environmental-review/SEPA-guidance/Guide-for-lead-agencies

Grays Harbor terminal expansion environmental reviews

The current status of environmental reviews for two oil-related proposals in Grays Harbor.

https://ecology.wa.gov/Regulations-Permits/SEPA/Environmental-review/SEPA-at-Ecology/Grays-Harbor-Terminal-Expansion

SEPA Guidance on Categorical Exemptions

Guidance on SEPA exemptions.

https://ecology.wa.gov/Regulations-Permits/SEPA/Environmental-review/SEPA-guidance/Guide-for-lead-agencies/Exemptions

Lead agency determination and responsibilities

SEPA guidance for determining lead agency and evaluating the proposal.

https://ecology.wa.gov/Regulations-Permits/SEPA/Environmental-review/SEPA-guidance/Guide-for-lead-agencies/Lead-agency-determination-and-responsibilities

SEPA Guidance for Nonproject proposals

Completing SEPA review for "nonproject" proposals.

https://ecology.wa.gov/Regulations-Permits/SEPA/Environmental-review/SEPA-guidance/Guide-for-lead-agencies/Non-project-proposals

Revising and adopting existing documents

Guidance for using existing SEPA documents

https://ecology.wa.gov/Regulations-Permits/SEPA/Environmental-review/SEPA-guidance/Guide-for-lead-agencies/Revising-and-adopting-existing-documents

SEPA guidance on appeal process

SEPA guidance on administrative and judicial appeals

https://ecology.wa.gov/Regulations-Permits/SEPA/Environmental-review/SEPA-guidance/Guide-for-lead-agencies/Appeals

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

Contanda expansion proposal

Contanda, formerly Westway Terminal, proposed an expansion of the Grays Harbor methanol terminal.

https://ecology.wa.gov/Regulations-Permits/SEPA/Environmental-review/SEPA-at-Ecology/Grays-Harbor-Terminal-Expansion/Contanda

SEPA checklist guidance, Section A: Background

Guidance helps applicants complete SEPA part A environmental checklist.

https://ecology.wa.gov/Regulations-Permits/SEPA/Environmental-review/SEPA-guidance/SEPA-checklist-guidance/SEPA-Checklist-Section-A-Background

SEPA checklist guidance, Section B: Environmental Elements

Checklist guidance Part B Environmental Elements

https://ecology.wa.gov/Regulations-Permits/SEPA/Environmental-review/SEPA-guidance/SEPA-checklist-guidance/SEPA-Checklist-Section-B-Environmental-elements

SEPA checklist guidance, Section C: Signature

Guidance for SEPA environmental checklist Part C.

https://ecology.wa.gov/Regulations-Permits/SEPA/Environmental-review/SEPA-guidance/SEPA-checklist-guidance/SEPA-Checklist-Section-C-Signature

Determining whether SEPA is required

Guidance on whether a proposal needs environmental review under SEPA.

https://ecology.wa.gov/Regulations-Permits/SEPA/Environmental-review/SEPA-guidance/Guide-for-lead-agencies/Determining-if-SEPA-is-required

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

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