Search Results - Washington State Department of Ecology

Draft 2021-2025 Section 309 Assessment & Strategy

Every five years, states and territories are encouraged to conduct self-assessments of their coastal management programs to determine problems and enhancement opportunities within each of the nine enhancement areas—and to assess the effectiveness of existing management efforts to address identified problems.

https://ecology.wa.gov/washington-coastal-zone-management-section-309-ass

121317CoverageandSSLAPforFMFRosmanUnit.pdf

Final coverage letter and related documents for biosolids application permit at Rosman Farms in Lincoln County.

https://ecology.wa.gov/121317coverageandsslapforfmfrosmanunit-pdf

Swift Creek Construction Diagram March 2021

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

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

Swift Creek Construction Diagram March 2021 Text Description

This text description explains the diagram of engineered controls and construction schedule for the Swift Creek Project.

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

2022 Supplemental Ecology and Governor Operating Budget Comparison

Table comparing Ecology's 2022 Supplemental Operating Budget submittal to Gov Inslee's proposal - 12-16-21

https://ecology.wa.gov/2022suppecygovoperatingcomparisondec2021

Swift Creek Construction Diagram March 2021 Text Description Spanish

This text description explains the diagram of engineered controls and construction schedule for the Swift Creek Project.

https://ecology.wa.gov/swift-creek-construction-diagram-text-descript-1

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

SEPA CR-103

The Washington State Department of Ecology is adopting expedited rulemaking at the direction of the Washington legislature to amend Chapter 197-11 WAC, SEPA Rules. This rulemaking will incorporate amendments and new language in Chapter 43.21C RCW, State Environmental Policy Act (SEPA) and amends other sections of the rule to align with legislative directives.

https://ecology.wa.gov/sepa-cr-103

Rulemaking withdrawal Notice (WAC 173-491) 8/19/2021

This is a rulemaking withdrawal notice for WAC 173-491 WAC Emissions standards and controls for sources emitting gasoline vapors

https://ecology.wa.gov/rulemaking-withdrawal-wac-173-491-08-19-2021

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

Rulemaking Adoption Notice (WAC 173-423; WAC 173-400) 11/29/21

This is a rulemaking adoption notice (CR-103) for Chapter 173-423 WAC, Clean Vehicles Program; Chapter 173-400 WAC, General Regulations for Air Pollution Sources.

https://ecology.wa.gov/rulemaking-adoption-notice-wac-173-423;-wac-173-40

Rulemaking Proposal (WAC 173-201A) 10/18/21

This is a rulemaking proposal (CR-102) for WAC 173-201A Water Quality Standards for Surface Waters of the State of Washington

https://ecology.wa.gov/rulemaking-proposal-wac-173-201a-10-18-21

Rulemaking Proposal (WAC 173-423; WAC 173-400) 06/22/21

This is a rulemaking proposal (CR-102) for Chapter 173-423 WAC, Low Emission Vehicles; Chapter 173-400 WAC, General Regulations for Air Pollution Sources.

https://ecology.wa.gov/rulemaking-proposal-wac-173-423;-wac-173-400-06

Rulemaking Proposal (WAC 173-201A) 3/24/21

This is a rulemaking proposal (CR-102) for WAC 173-201A Water Quality Standards for Surface Waters of the State of Washington

https://ecology.wa.gov/rulemaking-proposal-wac-173-201a-3-24-21

Rulemaking Proposal — Continuance (WAC 173-182) 8/21/19

This is a rulemaking proposal (CR-102) continuance for WAC 173-182 Oil Spill Contingency Plan.

https://ecology.wa.gov/rulemaking-proposal-continuance-wac-173-182-8

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

Upland fin-fish hatching and rearing general permit

This is the 2015 general permit issued for upland fin-fish hatching and rearing. It is a National Pollutant Discharge Elimination System (NPDES) and State Waste Discharge General Permit effective from April 1, 2016 until March 31, 2021.

https://ecology.wa.gov/permitfinal12152015

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

Rulemaking proposed language (WAC 173-201A) 3/24/21

This is the proposed rule language for WAC 173-201A Water Quality Standards for Surface Waters of the State of Washington

https://ecology.wa.gov/rulemaking-proposed-language-wac-173-201a-3-24-2

Rulemaking proposed language (WAC 173-400) 06/22/21

This is the proposed rule language for Chapter 173-400 WAC, General Regulations for Air Pollution Sources.

https://ecology.wa.gov/rulemaking-proposed-language-wac-173-400-06-22-2

Rulemaking proposed language (WAC 173-201A) 10/18/21

This is proposed rule language for WAC 173-201A Water Quality Standards for Surface Waters of the State of Washington

https://ecology.wa.gov/rulemaking-proposed-language-wac-173-201a-10-18-21

Rulemaking Announcement (WAC 173-180; WAC 173-184) 08/03/21

This is a rulemaking announcement (CR-101) for WAC 173-180 Facility Oil Handling Standards; WAC 173-184 Vessel Oil Transfer Advance Notice and Containment Requirements.

https://ecology.wa.gov/rulemaking-announcement-wac-173-180;-wac-173-184

Rulemaking proposed repeal language (WAC 173-422) 01/26/21

This is the proposed rule repeal language for Chapter 173-422 WAC, Motor Vehicle Emission Inspection.

https://ecology.wa.gov/rulemaking-proposed-repeal-language-wac-173-422

Rulemaking proposed repeal language (WAC 173-422A) 01/26/21

This is the proposed rule repeal language for Chapter 173-422A WAC, Motor Vehicle Emission Inspection.

https://ecology.wa.gov/rulemaking-proposed-repeal-language-wac-173-422a

Rulemaking Adoption Notice (WAC 173-407) 02/21/18

This is a rulemaking adoption (CR-103) for WAC 173-407 Greenhouse Gas Mitigation Requirements and Emissions Performance Standard for Power Plants.

https://ecology.wa.gov/rulemaking-adoption-notice-wac-173-407-02-21-18

Rulemaking Proposal (WAC 173-446A) 12/22/21

This is a rulemaking proposal (CR-102) for Chapter 173-446A WAC, Criteria for Emissions-Intensive, Trade-Exposed Industries.

https://ecology.wa.gov/rulemaking-proposal-wac-173-446a-12-22-21

Rulemaking Proposal (WAC 173-441) 10/06/21

This is a rulemaking proposal (CR-102) for Chapter 173-441 WAC, Reporting of Emissions of Greenhouse Gases.

https://ecology.wa.gov/rulemaking-proposal-wac-173-441-10-06-21

Rulemaking proposed language (WAC 173-441) 10/06/21

This is the proposed rule language for Chapter 173-441 WAC, Reporting of Emissions of Greenhouse Gases.

https://ecology.wa.gov/rulemaking-proposed-language-wac-173-441-10-06-21

Rulemaking proposed language (WAC 173-446A) 12/22/21

This is the proposed rule language for Chapter 173-446A WAC, Criteria for Emissions-Intensive, Trade-Exposed Industries.

https://ecology.wa.gov/rulemaking-proposed-language-wac-173-446a-12-22-21

Rulemaking Announcement (WAC 173-557) 01/21/14

This is a rulemaking announcement (CR-101) for WAC 173-557 Water Resources Management Program (WRMP) for the Spokane River and Spokane Valley Rathdrum Prairie (SVRP) Aquifer and amendment to WAC 173-555-010.

https://ecology.wa.gov/rulemaking-announcement-wac-173-557-01-21-14

Rulemaking Announcement 07/21/15

This is the first rulemaking announcement (CR 101) for Chapter 173-400 WAC General Regulations for Air Pollution Sources; Chapter 173-401 WAC Operating Permit Regulation.

https://ecology.wa.gov/rulemaking-announcement-wac-173-400;401-12-16-16

Withdrawal Notice (WAC 173-219) Dec. 23, 2015

Withdrawal Notice for Proposal Notice Continuance filed on Aug. 17, 2015 and Proposal Notice filed on June 22, 2015

https://ecology.wa.gov/withdrawal-notice-wac-173-219-12-23-15

Administrative Order for Tank AY-102 - March 21, 2014

The Washington State Department of Ecology issues an Administrative Order against the U.S. Department of Energy and Washington River Protection Solutions.

https://ecology.wa.gov/administrative-order

Pharmaceutical waste regulations webinar

PDF version of the Pharmaceutical Waste Regulations webinar conducted by Ecology's health care team January 2021

https://ecology.wa.gov/webinar-pharmawaste-slides-2021

Sand & Gravel General Permit Preliminary Draft Concrete Recycling Language

This shows proposed preliminary draft language for the 2016-2021 Sand & Gravel General Permit related to recycled concrete.

https://ecology.wa.gov/recycledconcretepreliminarylanguage

Jefferson County Ord No. 07-1216-13 Exhibit B Bibliography of Scientific and Technical Information

Citations of all science and technical information cosidered in the SMP

https://ecology.wa.gov/jefferson-county-ord-no-07-1216-13-exhibit-b-bibl

CO2 Removal Projects Standards Analysis - SCS Global Services

This independent report was commissioned by the Washington Legislature in 2021 to examine the potential for carbon removal projects in Washington.

https://ecology.wa.gov/20230726scsglobalreportcarbonsequestration

2021 Brownfield Redevelopment Trust Fund Account report

A legislative report in response to requirements of Washington's environmental cleanup law, the Model Toxics Control Act.

https://ecology.wa.gov/2021-brownfield-redevelopment-trust-fund-account-legislative-report

Streamflow restoration competitive grants

We manage a grant program for streamflow restoration (Chapter 90.94 RCW) implementation projects.

https://ecology.wa.gov/about-us/payments-contracts-grants/grants-loans/find-a-grant-or-loan/streamflow-restoration-implementation-grants

July Local Government Sounding Board

Public Event: July 21, 2025, 1 p.m., in online webinar

https://ecology.wa.gov/events/rulemaking/173-26-and-173-27-wac-shoreline-management-act/julylgsb

Chapter 173-04 WAC

This is the rulemaking page for Chapter 173-04 WAC.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/closed-rulemaking/wac-173-04

WAC 173-55: Accreditation of Cannabis Laboratories

This is the rulemaking page for Chapter 173-55 WAC.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/closed-rulemaking/wac-173-55

Chapter 173-441 WAC – Reporting of Emissions of Greenhouse Gases

This is the rulemaking page for Chapter 173-441 WAC.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/closed-rulemaking/wac-173-441

Chapter 173-423 WAC<br>and WAC 173-400-025 – Low Emission Vehicles

This is the rulemaking page for Chapter 173-423 WAC and Chapter 173-400 WAC.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/closed-rulemaking/wac-173-423-400

Tesoro Logistics Operations

Comment Period: May 21, 2025, 12 a.m. - July 1, 2025, 11:59 p.m.
Tesoro Logistics Operations

https://ecology.wa.gov/events/swm/tesoro-logistics-operations/tesoro-logistics-operations

Chapters 173-422 and 173-422A WAC – Motor Vehicle Emission Inspection

This is the rulemaking page to repeal Chapters 173-422 and 173-422A WAC.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/closed-rulemaking/wac-173-422-422a

Chapter 173-167 WAC Emergency Drought Funding (2021)

This is the emergency rulemaking page for Chapter 173-167 WAC.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/closed-rulemaking/wac-173-167-2021

Chapter 173-201A WAC (Salmon Spawning Habitat)

This is the rulemaking page for Chapter 173-201A WAC for salmon spawning habitat.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/closed-rulemaking/wac173-201a-salmon-spawning-habitat

Chapter 173-219 WAC

On January 23, 2018 the Department of Ecology adopted new rule, Chapter 173-219 WAC.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/closed-rulemaking/wac-173-219-jun14