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.

See more about this collection...

Find by Search

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

Were you able to find what you were looking for today?*:	Yes No Not sure
What were you trying to find?*:
Please describe your experience. What was challenging? What was helpful? *:	Please include details that will help us address any issues you're reporting.
Was the search tool helpful to you? *:	Yes No I didn't use Search.
How can we improve our website?:	Optional. If you have suggestions, we'd like to hear them!
Your name:	Please include contact information if you'd like a reply.
Email:	If you’d like a reply, please provide an email address.
Phone number:	( ) - Second three digits Last four digits If you’d like us to call you, please provide a phone number.
Which best describes your role in visiting our site today?*:	Business / Consultant / Contractor Government - Local Government - State Government - Federal Government - Tribal Scientist / Researcher Non-profit Citizen / Resident / Public Educator Student Job seeker Ecology employee
PleaseLeaveBlank:	Are you a robot? If not, please do not enter anything in this field.
	ignore
	ignore