Search Results - Washington State Department of Ecology

Environmental laboratory accreditation

Learn how we accredit environmental laboratories and where to find them.

https://ecology.wa.gov/regulations-permits/permits-certifications/laboratory-accreditation

Learning from incidents and spills

We learn from incidents and spills through investigations and share what we learn with others.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/learning-from-incidents-and-spills

Pacific Coast Coal Company

We permit the water quality discharge at the Pacific Coast Coal Company for the John Henry Mine.

https://ecology.wa.gov/regulations-permits/permits-certifications/pccc

Pollution prevention services for businesses

Pollution prevention resources and technical assistance for businesses in Washington.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/pollution-prevention-services

Upland Finfish Hatching & Rearing General Permit

This water quality permit covers certain hatcheries that raise finfish species.

https://ecology.wa.gov/regulations-permits/permits-certifications/upland-finfish-permit

Shoreline Master Programs Handbook

The Handbook helps local governments update their shoreline master programs.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/shoreline-master-plan-handbook

Contaminated Site Register & cleanup data

Get information on contaminated site cleanups through our newsletter and database.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/site-register-lists-and-data

Water right permits

Use a pre-application request form before applying for a new or updated water right.

https://ecology.wa.gov/regulations-permits/permits-certifications/water-right-permits

Rules for used oil generators

Follow these rules if you are a used oil generator.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/used-oil-generators-rules

Resources for underground storage tank owners & operators

Follow procedures to keep your tanks safe.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/ust-owner-and-operator-resources

Financing solid waste for the future

We have released several reports assessing solid waste funding mechanisms and potential alternatives.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/solid-waste-financing

Divert Integrated Food Recovery

We regulate water and hazardous waste at this facility.

https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/divert-integrated-food-recovery

Appealing a Shoreline Permit

Information on how to appeal a shoreline permit.

https://ecology.wa.gov/regulations-permits/permits-certifications/shoreline-permits-enforcement/appealing-a-shoreline-permit

Model remedies for mine sites

Methods for cleaning up sites contaminated with hardrock mining waste.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/mtca-model-remedies/model-remedies-for-mine-sites

Overview of permitting & certifications

Find information on how to get a permit or certification from Ecology.

https://ecology.wa.gov/regulations-permits/permits-certifications/overview-of-permitting

Aquatic invasive plant technical assistance

We provide advice on identifying, monitoring, and managing invasive freshwater aquatic plants.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/aquatic-invasive-plant-technical-assistance

Air quality permits

Permits for industrial air pollution and burning activities.

https://ecology.wa.gov/regulations-permits/permits-certifications/air-quality-permits

Requirements for submitting cleanup site data

You must submit your lab data electronically through EIM.

https://ecology.wa.gov/regulations-permits/reporting-requirements/data-submittal-requirements-for-cleanup-sites

Better Brakes Law: Guidance for manufacturers

Guidance for manufacturers on Washington's Better Brakes regulations.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/better-brakes-guidance

Operations manual requirements

Operations manuals help prevent spills during the transfer, storage, and handling of oil.

https://ecology.wa.gov/regulations-permits/plans-policies/operations-manual-for-regulated-facilities

Aquatic pesticide permits

Find information about the various aquatic pesticide permits used in our state.

https://ecology.wa.gov/regulations-permits/permits-certifications/aquatic-pesticide-permits

Safe and effective threshold determination reports

Safe and effective reports establish conditions for protecting open water with oil containment boom.

https://ecology.wa.gov/regulations-permits/plans-policies/safe-effective-threshold-determination-reports

Aquatic Noxious Weed Control General Permit

We issue this general permit to manage freshwater and marine noxious weeds in Washington.

https://ecology.wa.gov/regulations-permits/permits-certifications/aquatic-pesticide-permits/aquatic-noxious-weed-control

U.S. Oil Refinery

We regulate water and hazardous waste at the U.S. Oil and Refining Co. oil refinery in Tacoma.

https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/us-oil-refining

Clean Energy Siting Council

Tracking the progress of efforts to improve siting projects

https://ecology.wa.gov/regulations-permits/sepa/clean-energy/council

BP Refinery

We regulate water, hazardous waste, and cleanup activities at the BP Cherry Point Refinery in Blaine.

https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/bp-refinery

Weyerhaeuser Lumber Mill, Longview

We regulate the water and hazardous waste activities at Weyerhaeuser's lumber mill in Longview.

https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/weyerhaeuser-lumber

Hasa, Longview

We regulate water and hazardous waste activities at the Hasa bleach repackaging plant in Longview.

https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/hasa

Evaluation of Best Management Practices Maintenance Conditions

Study evaluating the maintenance thresholds for select best management practices for stormwater.

https://ecology.wa.gov/regulations-permits/reporting-requirements/stormwater-monitoring/stormwater-action-monitoring/sam-effectiveness-studies/bmp-maintenance-conditions

Well report (log) viewer

Search for wells and view availabile well reports (logs).

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/well-report-gateway

Specialty Minerals, Longview

We regulate water and hazardous waste at the Specialty Minerals chemical plant in Longview.

https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/specialty-minerals-longview

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 checklist guidance, Section B: Housing

Guidance for completing Housing section for Part B of the SEPA environmental checklist.

https://ecology.wa.gov/regulations-permits/sepa/environmental-review/sepa-guidance/sepa-checklist-guidance/sepa-checklist-section-b-environmental-elements/environmental-elements-9-housing

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 B: Aesthetics

Guidance for completing Aesthetics section for Part B of the SEPA environmental checklist.

https://ecology.wa.gov/regulations-permits/sepa/environmental-review/sepa-guidance/sepa-checklist-guidance/sepa-checklist-section-b-environmental-elements/environmental-elements-10-aesthetics

SEPA checklist guidance, Section B: Utilities

Guidance to complete Utilities section of Part B of SEPA environmental checklist.

https://ecology.wa.gov/regulations-permits/sepa/environmental-review/sepa-guidance/sepa-checklist-guidance/sepa-checklist-section-b-environmental-elements/environmental-elements-16-utilities

SEPA guidance

Overview, purpose, and details of SEPA review process.

https://ecology.wa.gov/regulations-permits/sepa/environmental-review/sepa-guidance

SEPA training

We provide SEPA training sessions and other presentations.

https://ecology.wa.gov/regulations-permits/sepa/environmental-review/sepa-workshops-training

SEPA checklist guidance, Section B: Water

Guidance to complete Water section for Part B of SEPA environmental checklist.

https://ecology.wa.gov/regulations-permits/sepa/environmental-review/sepa-guidance/sepa-checklist-guidance/sepa-checklist-section-b-environmental-elements/environmental-elements-3-water

SEPA checklist guidance, Section B: Light & glare

Guidance for completing Light & glare section in Part B of the SEPA environmental checklist.

https://ecology.wa.gov/regulations-permits/sepa/environmental-review/sepa-guidance/sepa-checklist-guidance/sepa-checklist-section-b-environmental-elements/environmental-elements-11-light-glare

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

Matheson Tri-Gas, Anacortes

We regulate water and hazardous waste activities at the Linde hydrogen plant in Anacortes.

https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/matheson-anacortes

Pollution prevention services for medium and large businesses

Get pollution prevention technical assistance for your medium or large business.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/pollution-prevention-services/toxics-reduction-assistance

E-Cycle WA information for local governments

Certain government entities can use E-Cycle Washington to dispose of electronics for free.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/electronics-ecycle-guidance-and-reports/local-governments

Georgia Pacific, Camas

We regulate water, hazardous waste, and cleanup actions at the Georgia Pacific mill in Camas.

https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/georgia-pacific-camas

E-Cycle WA 2026 preliminary administrative fee tier schedule

The administrative fee covers the costs associated with implementing the E-Cycle.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/electronics-ecycle-guidance-and-reports/manufacturers/final-administrative-fee-schedule

E-Cycle WA prior years' administrative fee schedules

Administrative fees cover the costs of implementing the E-Cycle WA program.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/electronics-ecycle-guidance-and-reports/manufacturers/prior-years-administrative-fees

Vapor intrusion

We have guidance that helps you evaluate and respond to vapor intrusion at your MTCA cleanup site.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/vapor-intrusion-overview

Wastewater Operator Certification Program

We assure wastewater treatment plant operators are competent, trained, and certified.

https://ecology.wa.gov/regulations-permits/permits-certifications/wastewater-operator-certification

Yakima Basin Cabin Owners

Yakima Basin Cabin Owners – water rights information

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/yakima-basin-cabin-owner-information