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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Certificate of compliance 2023

Manufacturers that produce food packaging sold in Washington must fill out a Certificate of Compliance to show they meet the PFAS in food packaging rules

https://ecology.wa.gov/certificate-of-compliance-2023

Ch173350_3rdPrelimDraft121516-PartFive.pdf

Part Five: 500 Groundwater monitoring, -600 Financial assurance requirements, -700 Permits and local ordinances, -710 Permit application and issuance, -715 General permit application requirements, -900 Remedial action, and -995 Soil and sediment use criteria.

https://ecology.wa.gov/ch173350_3rdprelimdraft121516-partfive-pdf

Requirements for 401 Water Quality Certification Request

This table describes the required elements, documents, and actions to submit your certification request to the Department of Ecology.

https://ecology.wa.gov/certification-requirements-table

Ch173350_3rdPrelimDraft121516-PartFour.pdf

Part Four: 400 Limited purpose landfills, -410 Inert waste landfills, and -490 Other methods of solid waste handling.

https://ecology.wa.gov/ch173350_3rdprelimdraft121516-partfour-pdf

Ch173350_3rdPrelimDraft121516-PartOne.pdf

Part One: 010 Purpose, -020 Applicability, -021 Determination of solid waste, -025 Owner responsibilities for solid waste, -030 Effective dates, -040 Performance standards, -100 Definitions, and -200 Beneficial use permit exemptions.

https://ecology.wa.gov/ch173350_3rdprelimdraft121516-partone-pdf

Ch173350_3rdPrelimDraft121516-PartThree.pdf

Part Three: 310 Transfer stations and drop box facilities, -320 Piles used for storage or treatment, -330 Surface impoundments and tanks, -350 Waste tire storage, -355 Waste tire transportation, and -360 Moderate risk waste handling.

https://ecology.wa.gov/ch173350_3rdprelimdraft121516-partthree-pdf

Ch173350_3rdPrelimDraft121516-PartTwo.pdf

Part Two: 210 Recycling and material recovery facilities, -220 Composting facilities, -225 Other organic material handling activities, -230 Land application, -240 Energy recovery and incineration facilities, -250 Anaerobic digesters, and -300 On-site storage, collection and transportation standards.

https://ecology.wa.gov/ch173350_3rdprelimdraft121516-parttwo-pdf

Chambers Bay BNSF train derailment press release

Press release for the Chambers Bay BNSF train derailment

https://ecology.wa.gov/chambers-bay-bnsf-train-derailment-press-release

Chambers Bay BNSF train derailment summary of findings

Summary of findings for the Chambers Bay BNSF train derailment

https://ecology.wa.gov/chambers-bay-bnsf-train-derailment-summary

CedargroveVisSOCK

This documents that Cedar VIS Sock is functionally equivalent to BMP C235 Wattle Construction Stormwater BMP.

https://ecology.wa.gov/cedargrovevissock

VIS System for Stormwater runoff filtration

We find the VIS system functionally equivalent to a bioretention planter or planter box.

https://ecology.wa.gov/cedargrovevissystem

Chart of Changes between the 2005 and 2012 Stormwater Management Manual for Western Washington

This shows which sections changed between the 2005 and 2012 SWMMWW

https://ecology.wa.gov/changechart

CESF operator list

List of certified CESF operators.

https://ecology.wa.gov/cesf-operator-list-1

Consumer Environmental Index Background Information

A detailed explanation of the process for determination of the Consumer Environmental Index.

https://ecology.wa.gov/ceibackground4-23-12

Central Waste Complex Agreed Order and Stipulated Penalty - January 24, 2014

Agreed Order and Stipulated Penalty between U.S. Department of Energy and CH2M Hill.

https://ecology.wa.gov/central-waste-complex-agreed-order-and-stipulated

Central Waste Complex Order - Exhibit A

Required Actions Under Chapter 173-303 WAC.

https://ecology.wa.gov/central-waste-complex-order-exhibit-a

Central Waste Complex Order - Exhibit B

Dangerous Waste Management Units.

https://ecology.wa.gov/central-waste-complex-order-exhibit-b

Central Waste Complex Order - Exhibit C

Dangerous Waste Violations

https://ecology.wa.gov/central-waste-complex-order-exhibit-c

Certificate of compliance: PFAS in food packaging 2024

This is the certificate of compliance for food packaging manufacturers for items regulated as of May 2024.

https://ecology.wa.gov/certificate-of-compliance-2024