Search Results - Washington State Department of Ecology

List of all pending or approved beneficial use determinations.

https://ecology.wa.gov/regulations-permits/permits-certifications/solid-waste-permits/beneficial-use-determinations/beneficial-use-determinations-registry

Pollution prevention (P2) plan

Some businesses are required to submit a pollution prevention plan to reduce hazardous substance use.

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

Recordkeeping

Learn what records your business must keep if you generate dangerous waste.

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

Groundwater quality assessment

Our hydrogeologists monitor and assess groundwater quality and quantity in Washington.

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

Rulemaking at Ecology

Find out about our rulemaking activities.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/rulemaking

Municipal water law

We help regulate municipal water suppliers to ensure a safe and reliable drinking water supply.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/municipal-water-law

Solvents

Most solvents become dangerous waste and must be managed properly.

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

Dangerous waste permits

Facilities that store, treat, or dispose of dangerous waste must have a dangerous waste permit.

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

Cleaners

Learn how your business can properly dispose of cleaners and choose safer products.

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

Certified water right examiner certification

We share information to help you gain or maintain your certified water right examiner certification.

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

Certification for incinerator & landfill operators

How to get certified to operate and inspect solid waste incinerator and landfill facilities.

https://ecology.wa.gov/regulations-permits/permits-certifications/certification-for-incinerator-landfill-operator

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

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

Small quantity generators (SQGs)

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

Stormwater permittee guidance & resources

Resources for general permit application, reporting on monitoring, and technical requirements.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/stormwater-permittee-guidance-resources

Using river & stream water quality data

Learn how to find and understand water quality data from rivers and streams across the state.

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

Prepare for an inspection

We inspect facilities to ensure they legally handle, store, and dispose of dangerous waste.

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

River and stream monitoring

Our freshwater data helps us to assure clean and abundant water to support human and aquatic life.

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

Water Treatment Plant General Permit

We regulate drinking water facilities through the use of this permit.

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

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

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

Antifreeze

Learn how your business can manage antifreeze and recycle spent antifreeze.

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

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

401 Water Quality Certifications for federal facilities

EPA writes NPDES permits for federal facilities. We issue water quality certifications for permits.

https://ecology.wa.gov/regulations-permits/permits-certifications/401-water-quality-certification/certifications-for-npdes-federal-permits

Changes to existing water rights

If you want to change to an existing water right, we recommend a pre-application consultation.

https://ecology.wa.gov/regulations-permits/permits-certifications/water-right-permits/changes-to-existing-water-rights

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

River & stream data quality assurance

See river and monitoring quality assurance plans, documents, and methods.

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

Water quality monitoring methods for rivers & streams

Learn how we measure water quality in rivers and streams, including methods and parameters.

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

Eastern Washington Phase II Municipal Stormwater Permit

This permit regulates stormwater discharges in urbanized areas of Eastern Washington.

https://ecology.wa.gov/regulations-permits/permits-certifications/stormwater-general-permits/municipal-stormwater-general-permits/eastern-washington-phase-ii-municipal-stormwat-1

Active groundwater studies

We conduct groundwater studies for long- and short-term projects. Learn about our active studies.

https://ecology.wa.gov/research-data/monitoring-assessment/groundwater-quality-assessment/active-studies-index

Asbestos

Asbestos is a hazardous material still found in building materials. Learn how to keep workers safe.

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

Wastewater testing

Whole effluent toxicity testing ensures wastewater does not harm aquatic life.

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

Henderson Inlet effectiveness monitoring

Our monitoring work in Henderson Inlet shows how local projects reduced fecal coliform in water.

https://ecology.wa.gov/research-data/monitoring-assessment/water-quality-improvement-effectiveness-monitoring/henderson-inlet

Financial assurance for cleanup operations

Financial assurance is a way to ensure that companies can pay for cleanup from their operations.

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

Episodic generation of dangerous waste

Manage waste as an episodic event to maintain your current generator category.

https://ecology.wa.gov/regulations-permits/reporting-requirements/dangerous-waste-reporting-requirements/notification-of-dangerous-waste/episodic-generation

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

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

SEPA checklist guidance, Section B: Surface water

Guidance to complete Surface 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/environmental-elements-surface-water

Municipal stormwater permit history

We document the development of municipal stormwater permits in Washington.

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

Marine water & sediment monitoring

We conduct water and sediment long-term monitoring to identify ecosystem changes.

https://ecology.wa.gov/research-data/monitoring-assessment/puget-sound-and-marine-monitoring

Paired watershed retrofit & restoration study

Stormwater Action Monitoring effectiveness study: Paired watershed retrofit and restoration study.

https://ecology.wa.gov/regulations-permits/reporting-requirements/stormwater-monitoring/stormwater-action-monitoring/sam-effectiveness-studies/paired-watershed-retrofit-and-restoration-study

Efficiency services for manufacturing and industrial facilities

We offer consulting services for manufacturing and industrial facilities to improve efficiency.

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

Effectiveness monitoring for water quality

Our scientists study the effectiveness of projects to protect and improve water quality.

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

Water quality permit database — PARIS

Our PARIS database lets you access water quality permits, discharge-monitoring reports, and more.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/water-quality-permits-database

River & stream water quality contacts

Find a stream scientist.

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

Notification of dangerous waste activity

Learn how to get an EPA/State Identification (ID) Number to report your dangerous waste.

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

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

Pollution prevention (P2)

Learn about pollution prevention (P2) and how you can apply best practices to your business.

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

Agrium Kennewick Fertilizer Operations

We regulate water and hazardous waste for Agrium Kennewick Fertilizer Operations facilities.

https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/agrium-kennewick-fertilizer-operations

Washington Department of Transportation Municipal Stormwater Permit

Permit covers discharges from state highways and other WSDOT transportation-related facilities.

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