Search Results - Washington State Department of Ecology

Learn about the benefits and rules for dangerous waste small quantity generators (SQGs).

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance/dangerous-waste-basics/generator-category/small-quantity-generators

Manuals & procedures for accredited labs

Download the procedure manual, and find tips and tools for accredited environmental labs.

https://ecology.wa.gov/regulations-permits/permits-certifications/laboratory-accreditation/manual-and-procedures-for-accredited-laboratories

Dam construction & modification guidance

We provide guidance and technical notes for dam construction and modification.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dam-construction-modification-guidance

E-Cycle WA guidance and reports

This page includes E-Cycle WA frequently asked questions and annual reports.

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

EPA Vessel General Permit

Find out about the EPA Vessel General Permit and tap into helpful resources.

https://ecology.wa.gov/regulations-permits/permits-certifications/epa-vessel-general-permit-graywater

Frequently flooded areas: Critical Areas Ordinance

Frequently flooded areas are covered by Critical Areas Ordinances promoting safety from floods.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/guidance-for-floodplains-critical-areas-ordinanc

Puget Sound Nutrient General Permit

The voluntary Nutrient General Permit helps WWTPs reduce nutrient pollution in Puget Sound.

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

E-Cycle WA information for collectors

Find out if you can be a collector for the E-Cycle Washington program.

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

Online UIC injection well registration

We provide online access to register new and existing underground injection control (UIC) wells.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/underground-injection-control-program/register-uic-wells-online

Curtailing water use

As we do most years, we are curtailing water use around the state because of declining stream flows.

https://ecology.wa.gov/regulations-permits/compliance-enforcement/water-use-compliance/curtailing-water-use

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

Heat pump & air conditioning return flow UIC wells

Groundwater circulated through a heat pump/air conditioning (HAC) system has to meet requirements.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/underground-injection-control-program/heat-pump-air-conditioning-return-flow-wells

E-Cycle WA information for processors

Learn how to become a processor for the E-Cycle Washington program and register to become one.

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

Spill response plans for Class 2 mobile facilities

We require Class 2 mobile oil-handling facilities in Washington to have a spill response plan.

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

E-Cycle WA information for retailers

Retailers that sell new, covered electronic products have requirements under the E-Cycle WA program.

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

E-Cycle WA information for transporters

Find out whether you qualify as an E-Cycle Washington transporter and what the requirements are.

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

SEPA training

We provide SEPA training sessions and other presentations.

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

Technical manuals

Requirements for technical manuals for vessels with contingency plans.

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

Irrigation System Aquatic Weed Control permit

This permit regulates the use of pesticides to manage plant and algae growth in irrigation systems.

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

Worldwide Response Resource List

Database of information on oil spill response equipment.

https://ecology.wa.gov/regulations-permits/plans-policies/contingency-planning-for-oil-industry/worldwide-response-resource-list

E-Cycle WA 2025 final 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

Automotive mercury switch removal program

Get paid to recycle your mercury switches from certain vehicles.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance/common-dangerous-waste/auto-recyclers/automotive-mercury-switch-removal

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

Aerosol cans

Learn how your business can safely handle and dispose of aerosol cans.

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

Dispose, recycle, or treat dangerous waste

Learn how your business can properly dispose, recycle, or treat dangerous waste.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance/dispose-recycle-or-treat

Step one: Get ready to designate

Learn what you need to start designating your waste.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance/dangerous-waste-basics/designation/get-ready-to-designate

Step two: Is it exempt or excluded?

Determine if your waste is excluded from the dangerous waste regulations.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance/dangerous-waste-basics/designation/is-it-exempt-or-excluded

Step four: What are the hazards (characteristics)?

Determine if your waste is ignitable, corrosive, reactive, or toxic.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance/dangerous-waste-basics/designation/what-are-the-hazards-characteristics

Underground injection control well registration requirements & information

Get Underground Injection Control (UIC) well registration requirements and information.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/underground-injection-control-program/uic-registration-requirements-information

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

Laboratory accreditation contacts

Our laboratory accreditation specialists are available to help you and to answer questions.

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

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

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

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

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

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

Washington's air quality implementation plan

The State Implementation Plan is an overarching plan to keep Washington's air clean.

https://ecology.wa.gov/regulations-permits/plans-policies/state-implementation-plans

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

Well construction reporting & well report gateway

Resource protection well reports can be submitted online.

https://ecology.wa.gov/regulations-permits/reporting-requirements/well-construction-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

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

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

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

River and stream flow monitoring

We report the amount of water flowing through Washington’s rivers and streams using graphs and maps.

https://ecology.wa.gov/research-data/monitoring-assessment/river-stream-monitoring/flow-monitoring

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

Columbia River Littoral Cell Beach Monitoring

We collect data on erosion and beach elevation change along the Southwest Washington coast.

https://ecology.wa.gov/research-data/monitoring-assessment/coastal-monitoring-assessment/projects/columbia-river-littoral-cell-monitoring

Puget Sound feeder bluff mapping

We map the feeder bluffs that feed Puget Sound beaches with sand to understand and protect them.

https://ecology.wa.gov/research-data/monitoring-assessment/coastal-monitoring-assessment/projects/puget-sound-feeder-bluff/puget-sound-feeder-bluff-mapping

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

Dangerous waste basics

Find tools and resources to help your business learn how to manage dangerous waste properly.

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