Search Results - Washington State Department of Ecology

Bench sheets and control charts for labs

Environmental laboratories can find and download quality-control spreadsheets.

https://ecology.wa.gov/regulations-permits/permits-certifications/laboratory-accreditation/bench-sheets-and-control-charts-for-labs-old

Using digital reference thermometers in microbiology testing laboratories

Accredited microbiological labs may use digital reference thermometers under specific conditions.

https://ecology.wa.gov/regulations-permits/permits-certifications/laboratory-accreditation/using-digital-reference-thermometers-in-microb-1

Choosing an analytical laboratory

Take these steps and consider what you need when choosing an environmental laboratory.

https://ecology.wa.gov/regulations-permits/permits-certifications/laboratory-accreditation/how-to-choose-an-analytical-laboratory

Applying for laboratory accreditation

Learn specific details on how laboratories may seek and maintain accreditation in Washington.

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

Lead waste

Learn how your business can manage lead waste properly according to the Dangerous Waste Regulations.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance/common-dangerous-waste/lead-waste

Used oil

There are different requirements for businesses managing used oil and waste oil.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance/common-dangerous-waste/used-oil

Labor & Industries and UST electrical work

Underground storage tank testing currently requires both an UST tester and a journeyman electrician.

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

Water budgets of individual local trees

This study investigates how much water trees use and may help us mitigate stormwater.

https://ecology.wa.gov/regulations-permits/reporting-requirements/stormwater-monitoring/stormwater-action-monitoring/sam-effectiveness-studies/water-budgets-of-individual-local-trees

Marinas and Class 4 facilities

Spill prevention and preparedness requirements and recommendations for Class 4 marinas.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/guidance-for-oil-industry/marinas-class-4-facilities

Hydrologic performance of bioretention

Study of the oldest bioretention facilities to evaluate infiltration performance.

https://ecology.wa.gov/regulations-permits/reporting-requirements/stormwater-monitoring/stormwater-action-monitoring/sam-effectiveness-studies/bioretention-infiltration

Oil spill drills

We require oil spill drills to test and improve industry contingency plans.

https://ecology.wa.gov/regulations-permits/plans-policies/contingency-planning-for-oil-industry/oil-spill-drills

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

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

Dangerous waste guidance

Businesses in Washington that generate dangerous waste must follow the Dangerous Waste Regulations.

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

Empirical demonstrations under MTCA

Empirical demonstrations can show that applicable groundwater cleanup levels aren’t being exceeded.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/empirical-demonstrations-mtca

Water metering reporting

You can report your water meter use data using our online reporting system.

https://ecology.wa.gov/regulations-permits/reporting-requirements/water-metering-reporting

Online cleanup guide for homeowners and small businesses

An online cleanup guide for homes and small business properties that might be contaminated.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/guidance-for-residential-cleanups

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

Stormwater general permits

We issue permits to protect lakes, rivers, and saltwater from polluted stormwater runoff.

https://ecology.wa.gov/regulations-permits/permits-certifications/stormwater-general-permits

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

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

Clean Energy Siting Council

Tracking the progress of efforts to improve siting projects

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

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

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 guidance

Overview, purpose, and details of SEPA review process.

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

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

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

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

Burn permits

Burn permits for agricultural, outdoor, or residential burning.

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

Notice of construction permit

Businesses must get a permit before installing or changing a source of air pollution.

https://ecology.wa.gov/regulations-permits/permits-certifications/air-quality-permits/notice-of-construction-permit

Overview of compliance & enforcement at Ecology

View the compliance and enforcement authority we have, and what actions we have recently taken.

https://ecology.wa.gov/regulations-permits/compliance-enforcement/overview-of-compliance-enforcement

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

Recycling credits

Recycling credits may affect your Pollution Prevention Plan or the Hazardous Waste Planning Fee.

https://ecology.wa.gov/regulations-permits/reporting-requirements/dangerous-waste-reporting-requirements/dangerous-waste-annual-report/recycling-credits

Special waste

Special waste is a category of dangerous waste that may be managed as a conditionally exempt waste.

https://ecology.wa.gov/regulations-permits/reporting-requirements/dangerous-waste-reporting-requirements/dangerous-waste-annual-report/special-waste

Dangerous waste reporting requirements

Learn about dangerous waste reports, and how to notify us of dangerous waste activities.

https://ecology.wa.gov/regulations-permits/reporting-requirements/dangerous-waste-reporting-requirements

Modeling the environment

Computer models mathematically represent part of the environment to predict potential changes.

https://ecology.wa.gov/research-data/data-resources/models-spreadsheets/modeling-the-environment

Lower Snohomish River Tributaries effectiveness monitoring

We're studying bacteria pollution in tributaries to the Lower Snohomish River.

https://ecology.wa.gov/research-data/monitoring-assessment/water-quality-improvement-effectiveness-monitoring/lower-snohomish-river-tributaries

River & stream water quality index

The Freshwater Quality Index can help you learn about river and stream health.

https://ecology.wa.gov/research-data/monitoring-assessment/river-stream-monitoring/water-quality-monitoring/river-stream-water-quality-index

Watershed Health - Statewide Report

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https://ecology.wa.gov/research-data/monitoring-assessment/river-stream-monitoring/habitat-monitoring/watershed-health/statewide-report

Coastal zone mapping & erosion monitoring

We survey Washington's coastlines to monitor coastal erosion and track sediment movement over time.

https://ecology.wa.gov/research-data/monitoring-assessment/coastal-monitoring-assessment

Solid waste & recycling data

View data on solid waste collection and recycling in Washington.

https://ecology.wa.gov/research-data/data-resources/solid-waste-recycling-data