Our work statewide & near you
Information for residents of Washington, to help you better understand the work Ecology does, find what's happening near you, and see what you can to do to help protect our environment!
https://ecology.wa.gov/ecologys-work-near-you
Research & Data
Ecology provides the high-quality science that is the foundation of Washington state environmental policy. Our monitoring, assessment, and modeling services provide a data-rich understanding of our state’s land, air, and water. We provide access to that data through reports, databases, maps and user-friendly online tools.
https://ecology.wa.gov/research-data
Holiday landing page
https://ecology.wa.gov/waste-toxics/reducing-recycling-waste/organics-and-food-waste/sustainable-food-center/food-waste-reduction/holiday-food-waste
Wetlands
We are charged with protecting, restoring, and managing wetlands because of their key role in watershed health.
https://ecology.wa.gov/water-shorelines/wetlands
Water supply
We manage the state's water supply to meet the needs of people, farms, and fish.
https://ecology.wa.gov/water-shorelines/water-supply
Reducing Greenhouse Gas Emissions
Washington adopted regulations to help reduce greenhouse gases.
https://ecology.wa.gov/air-climate/reducing-greenhouse-gas-emissions
Rulemaking at Ecology
Find out about our rulemaking activities.
https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/rulemaking
SEPA checklist guidance, Section B: Energy & natural resources
Guidance for Energy & natural resources section for Part B, 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-6-energy-natural-resou
Models & spreadsheets
Computer models predict changes and spreadsheets calculate. We offer these tools to the public.
https://ecology.wa.gov/research-data/data-resources/models-spreadsheets
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
Salish Sea Model
We use a computer tool that simulates hydrodynamic and water quality processes in the Salish Sea.
https://ecology.wa.gov/research-data/data-resources/models-spreadsheets/modeling-the-environment/salish-sea-modeling
Underground storage tank service providers
Information for underground storage tank (UST) service providers and for those looking to find one.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/ust-owner-and-operator-resources/service-providers
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
Sand & Gravel Permit guidance
Guidance to implement your Sand & Gravel General Permit.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/stormwater-permittee-guidance-resources/sand-and-gravel-permit-guidance
SEPA checklist guidance, Section B: Groundwater
Guidance to complete Groundwater 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-groundwater
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: 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
GIS Data
Ecology's authoritative GIS data layers are available for download.
https://ecology.wa.gov/research-data/data-resources/geographic-information-systems-gis/data
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
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 guidance
We provide guidance for developing and implementing municipal stormwater management programs.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/stormwater-permittee-guidance-resources/municipal-stormwater-permit-guidance
SEPA checklist guidance, Section B: Historic & cultural preservation
Guidance for historic & cultural preservation section in 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-13-historic-cultural-p
SEPA checklist guidance, Section B: Air
SEPA Guidance for Environmental Checklist
https://ecology.wa.gov/regulations-permits/sepa/environmental-review/sepa-guidance/sepa-checklist-guidance/sepa-checklist-section-b-environmental-elements/environmental-elements-air
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
Models and tools for water quality improvement
We use models to predict water quality changes to help find strategies to address pollution.
https://ecology.wa.gov/research-data/data-resources/models-spreadsheets/modeling-the-environment/models-tools-for-tmdls
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
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
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
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
Watershed health — Unlisted Washington update
River and stream habitat in the Unlisted Region shows worsening conditions.
https://ecology.wa.gov/research-data/monitoring-assessment/river-stream-monitoring/habitat-monitoring/watershed-health/regional-reports/unlisted
Aquatic Mosquito Control General Permit
This permit allows the use of insecticides to control mosquitoes.
https://ecology.wa.gov/regulations-permits/permits-certifications/aquatic-pesticide-permits/aquatic-mosquito-control
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
Puget Small Streams study
Stormwater Action Monitoring's (SAM) receiving waters study on Puget Sound's small streams.
https://ecology.wa.gov/regulations-permits/reporting-requirements/stormwater-monitoring/stormwater-action-monitoring/sam-status-and-trends/puget-small-streams
Policies and guidance for site cleanups
Policies and guidance interpret the MTCA cleanup law and help you clean up contaminated sites.
https://ecology.wa.gov/regulations-permits/plans-policies/toxics-cleanup-policies
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
Wildlife response service providers
Wildlife response service providers (WRSP) manage wildlife response activities during an oil spill.
https://ecology.wa.gov/regulations-permits/plans-policies/contingency-planning-for-oil-industry/wildlife-response-service-providers
Winery general permit
The winery general permit helps prevent possible pollution problems from winery wastewater.
https://ecology.wa.gov/regulations-permits/permits-certifications/winery-permit
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
Professional growth and training
Wastewater operators must maintain & document professional growth training.
https://ecology.wa.gov/regulations-permits/permits-certifications/wastewater-operator-certification/training-professional-development
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
Boatyard General Permit
This permit protects marine waters from toxics that can get into stormwater runoff from boatyards.
https://ecology.wa.gov/regulations-permits/permits-certifications/boatyard-general-permit
Western Washington Hydrology Model
Western WA Hydrology Model models most hydrologic conditions for stormwater control and design.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/stormwater-permittee-guidance-resources/stormwater-manuals/western-washington-hydrology-model
Shellfish aquaculture 401 certification
We modified our certification process for shellfish growers because of new federal requirements.
https://ecology.wa.gov/regulations-permits/permits-certifications/401-water-quality-certification/shellfish-aquaculture
SEPA checklist guidance, Section B: Earth
Checklist guidance Part B. Elements of the Environment
https://ecology.wa.gov/regulations-permits/sepa/environmental-review/sepa-guidance/sepa-checklist-guidance/sepa-checklist-section-b-environmental-elements/environmental-elements-earth