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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Text alternative for Expedited VCP process workflow

A text version of the information provided in the Expedited VCP process graphic.

https://ecology.wa.gov/expedited-vcp-workflow-text-alternative

UST-closure-packet

Instructions for closing an Underground Storage Tank

https://ecology.wa.gov/ust-closure-packet

Brownfields funding opportunities in Washington State

Download a comprehensive list of federal and state funding and technical assistance opportunities for redeveloping brownfields in Washington.

https://ecology.wa.gov/brownfieldsfundingoverview

Eastern Washington Clean Sites Initiative accessible list of cleanup sites

The Eastern Washington Clean Sites Initiative funds cleanups to improve residents’ quality of life.

https://ecology.wa.gov/csi-sites-accessible-list

Cleanup Rule (WAC 173-340) exploratory rulemaking: 2018 comments

This document contains comments received from the public during the Exploratory Rulemaking process, from February 15 through May 11, 2018. These include comments provided through the online eComment system, by mail, by email, and on comment cards at the April 3rd listening session.

https://ecology.wa.gov/cleanuprulemakingexprulemakingcommentsthru051118

Remedial Investigation Report template

This document is a suggested template to use when preparing a remedial investigation report for an environmental cleanup. It is designed to meet the requirements of the Model Toxics Control Act described in 173-340-350(7) and 173-340-840 of the Washington State Administrative Code. This suggested template is not required.

https://ecology.wa.gov/remedialinvestigationtemplate

Narrative Description of Figure 1. Pie Chart

The narrative description of Figure 1. pie chart on the Exploratory Rulemaking webpage.

https://ecology.wa.gov/narrative-description-of-figure-1-pie-chart

Former Orchard model notice to owners

Example of a notice to be sent to home owners after cleanup up former orchard lands according to a model remedy.

https://ecology.wa.gov/former-orchard-model-notice-to-owners

PSI Cleanup Sites - Port Gardner, Sound Living Conference presentation (October 25, 2014)

Presentation about the Port Gardner cleanup and The Puget Sound Initiative, from the Sound Living conference (Oct. 25, 2014)

https://ecology.wa.gov/psi-cleanup-sites-port-gardner-sound-living-con

Technical Assistance Agreement Sites

An accessible list of gas station site participating in Technical Assistance Agreements with Ecology

https://ecology.wa.gov/taagsitesaccessible

Tacoma Smelter Plume - Soil Replacement Sequence

Text document describing the sequence of soil replacement work.

https://ecology.wa.gov/tsp-soil-replacement-accessible

July 28, 2021 Agenda - Accident Probabilities

Agenda for July 28, 2021, meeting on Accident Probabilities

https://ecology.wa.gov/july-28-2021-agenda-accident-probabilities

Boeing Auburn Site Map Plain Text

Plain text description of the Boeing Auburn groundwater contamination site map.

https://ecology.wa.gov/boeing-auburn-site-map-plain-text

Package A-Natural Attenuation Tool

Package A-Natural Attenuation Tool Package (Modules 1.2 and 3)

https://ecology.wa.gov/package-a

Summary of Ecology Listening Session December 2018. Feedback on Draft Implementation Memo No. 22: Vapor Intrusion (VI) Investigations and Short-term Trichloroethene (TCE) Toxicity

This summary of the December 2018 Ecology Listening Session provides feedback on participant questions regarding Draft Implementation Memo No. 22.

https://ecology.wa.gov/summary-of-ecology-listening-session-december-2018

MNA Plain Text

Monitored natural attenuation (MNA) process at the Boeing Auburn site

https://ecology.wa.gov/mna-plaintext

Swift Creek Construction Diagram July 2024

This diagram shows the engineered controls and construction schedule for the Swift Creek Project.

https://ecology.wa.gov/swift-creek-construction-diagram-2024

DRAFT MTCA Disproportionate Cost Analysis Guidance

Draft guidance for choosing cleanup options using a disproportionate cost analysis.

https://ecology.wa.gov/dca-guidance

Draft Disproportionate Cost Analysis tool

Draft version of Excel-based tool for disproportionate cost analysis calculations

https://ecology.wa.gov/dca-tool