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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ECY to Pend Oreille County regarding SEPA lead request

ECY response to Pend Oreille County Commissioners' letter requesting Ecology take the lead agency role in Environmental review of PacWest Silicon’s proposal

https://ecology.wa.gov/ecy-to-po-commissoners_lead-ag_july2018

Fire Mountain Farms biosolids hearing presentation

Hearing presentation from the 2020 Fire Mountain Farms proposal to land apply biosolids at five sites in Lewis county

https://ecology.wa.gov/2020-biosolids-hearing-presentation

Fire Mountain Farms biosolids hearing presentation script

Hearing presentation script from the 2020 Fire Mountain Farms proposal to land apply biosolids at five sites in Lewis county

https://ecology.wa.gov/2020-biosolids-hearing-script

200922am NWIW hearing

Sept. 22 a.m. NWIW hearing transcript

https://ecology.wa.gov/200922am-nwiw-hearing

Draft-EIS-Process

Steps in the state environmental review process for a draft EIS

https://ecology.wa.gov/draft-eis-process

Goldendale-Energy-Storage-Project-Draft-EIS-Open-House

Read the online open house for the Goldendale Energy Storage Project draft Environmental Impact Statement.

https://ecology.wa.gov/goldendale-energy-draft-eis-open-house

Second SEIS Kalama SEPA notice

The SEPA notice that Ecology will conduct a second Supplemental Environmental Impact Statement.

https://ecology.wa.gov/2019-nov22-2ndseiskalama-sepa-notice

Greenhouse Gas Assessment for Projects (GAP) Rulemaking June 2020 Presentation

Public webinar presentation given 6-25-20

https://ecology.wa.gov/6-25-20-presentation

Greenhouse Gas Assessment for Projects (GAP) Rulemaking June 2020 Meeting Summary

Meeting summary for 6-25-20 public rulemaking webinar

https://ecology.wa.gov/6-25-20-meeting-summary

Notification letter Second SEIS

A letter notifying the applicants of Ecology's decision to conduct a second Supplemental Impact Statement for the proposed Kalama methanol facility.

https://ecology.wa.gov/2019-nov22-2ndseiskalamaletter

Greenhouse Gas Assessment for Projects (GAP) Rulemaking July 2020 Presentation

Public webinar presentation given 7-23-20

https://ecology.wa.gov/7-23-20-presentation

Greenhouse Gas Assessment for Projects (GAP) Rulemaking July 2020 Meeting Summary

Meeting summary for 7-23-20 public rulemaking webinar

https://ecology.wa.gov/7-23-20-meeting-summary

Greenhouse Gas Assessment for Projects (GAP) Rulemaking August 2020 Presentation

Public webinar presentation given 8-27-20

https://ecology.wa.gov/8-27-20-presentation

Greenhouse Gas Assessment for Projects (GAP) Rulemaking August 2020 Meeting Summary

Meeting summary for 8-27-20 public rulemaking webinar

https://ecology.wa.gov/8-27-20-meeting-summary

Goldendale Energy Draft EIS June 28, 2022 hearing transcript

Transcript of the second hearing on the Goldendale Energy Storage Project draft EIS

https://ecology.wa.gov/goldendale-energy-draft-eis-hearing-2-transcript

Goldendale Energy Draft EIS June 30, 2022 hearing transcript

Transcript of the third hearing on the Goldendale Energy Storage Project draft EIS

https://ecology.wa.gov/goldendale-energy-draft-eis-hearing-3-transcript

Draft GAP Rule Conceptual Framework for Informal Review

This document provides a narrative description of the concepts being used to draft the GAP rule. It includes changes to the initial ideas presented by the Washington State Department of Ecology (Ecology) in five public webinars from June to November 2020, based on public input and feedback. This document provides information as of the time of release for informal comment.

https://ecology.wa.gov/draft-gap-rule-conceptual-framework-for-informal-r

Draft GAP Rule Language for Informal Review (Definitions and Applicability)

Contains a list of proposed definitions and their applicability to the GAP rule

https://ecology.wa.gov/draft-gap-rule-language-for-informal-review-defin

Draft GAP Rule Questions on Mitigation

We are seeking input from the public on the questions in this document on mitigation for the proposed Greenhouse Gas Assessment for Projects (GAP) rule.

https://ecology.wa.gov/draft-gap-rule-questions-on-mitigation

DRAFT Chapter 173-339 WAC Cosmetic Products Restrictions

This is the draft rule language for Chapter 173-339 WAC Cosmetic Products Restrictions.

https://ecology.wa.gov/draft-chapter-173-339-wac-cosmetic-products-restrictions-07-24