Search Results - Washington State Department of Ecology

SEPA training

We provide SEPA training sessions and other presentations.

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

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

Biosolids laws, rules, and support documents

See Washington's biosolids laws, the administrative rules we operate under, and support documents.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/biosolids-laws-rules-and-support-documents

E-Cycle WA 2026 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

Training and certification for facilities

Well-trained facility staff are critical for an effective spill prevention program.

https://ecology.wa.gov/regulations-permits/permits-certifications/facilities-training-certification

SEPA guidance

Overview, purpose, and details of SEPA review process.

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

Annual air quality registration

Emission registration program for industrial air pollution.

https://ecology.wa.gov/regulations-permits/reporting-requirements/air-quality-emissions-reporting/air-quality-registration

Emissions reporting for small sources of air pollution

Learn how to submit your emissions data using the Source Management System (SMS).

https://ecology.wa.gov/regulations-permits/reporting-requirements/air-quality-emissions-reporting/small-source-emissions-inventory-reporting

Information for air monitoring professionals

Standard procedures, quality assurance, and monitoring guidance for air monitoring professionals.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/information-for-air-monitoring-professionals

Air quality permits

Permits for industrial air pollution and burning activities.

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

About the air monitoring network

We and our partners maintain a network of air monitoring stations to measure air pollution in Washington.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/air-monitoring-network

Exploratory rulemaking for Chapter 173-460 WAC – Controls for New Sources of Toxic Air Pollutants

This is the rulemaking page for Chap. 173-460 WAC, Controls for New Sources of Toxic Air Pollutants.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/rulemaking/wac-173-460-exploratory-rulemaking

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

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

GIS Contacts

Find GIS staff contact information.

https://ecology.wa.gov/research-data/data-resources/geographic-information-systems-gis/gis-contacts

Emerging stormwater treatment technologies (TAPE)

We certify stormwater treatment technologies that have undergone Technology Assessment Protocol.

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

Fresh Fruit Packing General Permit

Find out about the Fresh Fruit Packing General Permit and get helpful resources.

https://ecology.wa.gov/regulations-permits/permits-certifications/fresh-fruit-packing-general-permit

SEPA checklist guidance, Section B: Transportation

Guidance for Transportation 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-14-transportation

Oil transfers and transfer inspections

Our oil-transfer requirements help prevent spills during bulk-oil transfers.

https://ecology.wa.gov/regulations-permits/compliance-enforcement/oil-transfers

Spill enforcement

Spills into water harm the environment, violate state law, and may result in a penalty.

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

SEPA checklist guidance, Section B: Public services

Guidance for completing Public Services 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-15-public-services

General orders for air quality permits

A general order is a streamlined group permit for common commercial sources of air pollution.

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

Overview of Washington State Environmental Policy Act (SEPA)

SEPA is the environmental review process for public agencies in Washington.

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

Toxics monitoring in consumer products

We design studies to test for toxic chemicals in consumer products.

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

Successful no further actions

Sites cleaned up using a model remedy might achieve "no further action" status faster.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/mtca-model-remedies/no-further-actions

Air operating permit for large sources of air pollution

Air operating permit requirements for large sources of air pollution.

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

Safer alternatives to toxic chemicals

We provide tools, training, and other resources to help you find alternatives to toxic chemicals.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/safer-alternatives

Sand and Gravel General Permit

This permit covers sand and gravel operations, rock quarries, and concrete and asphalt batch plants.

https://ecology.wa.gov/regulations-permits/permits-certifications/sand-gravel-general-permit

Emergency response towing vessel

The emergency response towing vessel (ERTV) helps prevent oil spills from ships and barges.

https://ecology.wa.gov/regulations-permits/reporting-requirements/emergency-response-towing-vessel

Safer product certification subsidy program

Manufacturers can apply to receive reimbursement for the costs of certifying their products as safer.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/safer-alternatives/safer-chemicals-for-manufacturers/safer-product-certification-subsidy-program

Oil spill prevention plans for facilities

Oil spill prevention plans reduce the risk of oil spills at large refineries and marine terminals.

https://ecology.wa.gov/regulations-permits/plans-policies/spills-prevention-plans-for-facilities

VBAP / ECOPRO voluntary certification program for tank vessel spill prevention

Our voluntary spill-prevention programs (VBAP and ECOPRO) improve the safety of Washington waters.

https://ecology.wa.gov/regulations-permits/permits-certifications/voluntary-certification-program-spills-prevention

GIS standards

Find standards for Ecology's GIS data.

https://ecology.wa.gov/research-data/data-resources/geographic-information-systems-gis/standards

Aquatic Species Restoration Plan Research and Studies

The ASRP is a science-based plan to restore and enhance aquatic species habitat in the Chahalis Basin.

https://ecology.wa.gov/research-data/scientific-reports/asrp-research

Mercury lights guidance

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/mercury-lights-guidance

Determining whether SEPA is required

Guidance on whether a proposal needs environmental review under SEPA.

https://ecology.wa.gov/regulations-permits/sepa/environmental-review/sepa-guidance/guide-for-lead-agencies/determining-if-sepa-is-required

SEPA checklist guidance

We provide information about each SEPA checklist question.

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

State-approved contingency plan holders

We review and approve oil spill contingency plans for facilities, pipelines, vessels, and railroads.

https://ecology.wa.gov/regulations-permits/plans-policies/contingency-planning-for-oil-industry/approved-contingency-plan-holders

SEPA checklist guidance, Section B: Land & shoreline use

Guidance for Land & shoreline use in 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-8-land-shoreline-use

Terrestrial Ecological Evaluations

Terrestrial Ecological Evaluations (TEEs) identify and protect native plants and animals at sites.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/terrestrial-ecological-evaluation

Zostera japonica management on commercial clam beds in Willapa Bay general permit

This permit allows the use of an herbicide to control non-native eelgrass in Willapa Bay.

https://ecology.wa.gov/regulations-permits/permits-certifications/aquatic-pesticide-permits/zostera-japonica-eelgrass-management

Leaking underground storage tanks

Cleanup resources for underground storage tanks that have leaked petroleum products into the ground.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/leaking-underground-storage-tanks

Primary response contractors for spill cleanup

We approve primary response contractors to allow them to be cited in industry oil plans.

https://ecology.wa.gov/regulations-permits/plans-policies/contingency-planning-for-oil-industry/primary-response-contractors

Data products & reports

See example data products, get access to data, and view reports and presentations.

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

Plans for maintaining air quality

View current plans to improve air quality and meet national air quality standards.

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

Prevention of Significant Deterioration (PSD) permit

Prevention of Significant Deterioration (PSD) permits for major sources of air pollution.

https://ecology.wa.gov/regulations-permits/permits-certifications/air-quality-permits/prevention-of-significant-deterioration-psd

EPCRA reporting frequently asked questions

Answers to questions that are often asked about EPCRA reporting requirements.

https://ecology.wa.gov/regulations-permits/reporting-requirements/emergency-planning-community-right-to-know-act/faq

TransAlta Power Plant

The TransAlta agreement lowers harmful air pollutants from Washington's only coal-fired power plant.

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

Determining if areas in Washington meet national air quality standards

We determine whether areas in Washington meet national air quality standards.

https://ecology.wa.gov/regulations-permits/plans-policies/areas-meeting-and-not-meeting-air-standards

Spill prevention inspections for facilities

We inspect oil facilities to provide technical assistance and ensure rule compliance.

https://ecology.wa.gov/regulations-permits/compliance-enforcement/facility-spills-prevention-inspections