Search Results - Washington State Department of Ecology

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 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

Vessel Deconstruction General Permit

This permit defines requirements for pollution prevention while dismantling vessels.

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

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

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

Puget Sound nearshore

SAM monitors and assesses impacts of stormwater runoff in Puget Sound nearshore environments.

https://ecology.wa.gov/regulations-permits/reporting-requirements/stormwater-monitoring/stormwater-action-monitoring/sam-status-and-trends/puget-sound-nearshore

Spill management teams

Spill management teams are trained personnel who support spill responses.

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

Goldendale Energy Storage Project

Environmental review and permitting for the proposed Goldendale Energy Storage Project.

https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/goldendale-energy

Clean Energy Coordinated Permit Process

We assist with pre-application discussions, environmental review and permit processes.

https://ecology.wa.gov/regulations-permits/sepa/clean-energy/clean-energy-coordinated-permit-process

Learning from incidents and spills

We learn from incidents and spills through investigations and share what we learn with others.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/learning-from-incidents-and-spills

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

Aquatic Plant & Algae Management General Permit

This permit covers the in-water and shoreline management of plants, algae, and phosphorus.

https://ecology.wa.gov/regulations-permits/permits-certifications/aquatic-pesticide-permits/aquatic-plant-algae-management

FAQ: Investigate and report toxic releases

FAQs to help homeowners and small businesses investigate and report toxic releases.

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

Construction Stormwater General Permit

Construction that disturbs land and discharges stormwater may need a construction stormwater permit.

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

SEPA Guidance on Categorical Exemptions

Guidance on SEPA exemptions.

https://ecology.wa.gov/regulations-permits/sepa/environmental-review/sepa-guidance/guide-for-lead-agencies/exemptions

Infrastructure, rule, & program plans

Our plans and rules to improve air quality and meet national air quality standards.

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

Beneficial Use Determination registry

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

Equivalent stormwater manuals for municipal stormwater permits

We provide information for municipal stormwater permittees about equivalent stormwater manuals for Phase I and both the Eastern and Western Washington Phase II municipal stormwater permits.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/stormwater-permittee-guidance-resources/stormwater-manuals/equivalent-stormwater-manuals-for-municipal-stormw

Emergency Planning & Community Right-to-Know Act

Overview of Washington's EPCRA program and general reporting requirements.

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

Concentrated Animal Feeding Operation General Permit

Permit for operations with large numbers of livestock for long periods of time.

https://ecology.wa.gov/regulations-permits/permits-certifications/concentrated-animal-feeding-operation

Stormwater Action Monitoring - Effectiveness studies

Learning what works best to reduce urban runoff volumes and pollution in Western Washington.

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

Safer chemicals for manufacturers

Learn how to formulate products using safer chemicals and how to design more sustainable products.

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

SEPA subject index

References to SEPA topics in rule and statute.

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

Acronyms & glossary for the Toxics Cleanup Program

We have a list of acronyms and terms commonly used in contaminated site cleanup work.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/toxic-cleanup-acronyms

Lead agency determination and responsibilities

SEPA guidance for determining lead agency and evaluating the proposal.

https://ecology.wa.gov/regulations-permits/sepa/environmental-review/sepa-guidance/guide-for-lead-agencies/lead-agency-determination-and-responsibilities

Pollution prevention assistance (PPA)

Businesses can get free, non-regulatory pollution prevention help from local PPA specialists.

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

Responding to water supply needs

Learn how climate change might affect our water supplies.

https://ecology.wa.gov/air-climate/responding-to-climate-change/water-supply-impacts

Water Resources

The Water Resources program works to meet the water supply needs of people and the environment.

https://ecology.wa.gov/about-us/who-we-are/our-programs/water-resources

Wetland tools & resources

Find wetland tools and resources.

https://ecology.wa.gov/water-shorelines/wetlands/tools-resources

VSP Planning and mapping resources

We partner with other state agencies to provide mapping resources for planning under VSP.

https://ecology.wa.gov/about-us/accountability-transparency/partnerships-committees/voluntary-stewardship-program/planning-and-mapping-resources

Washington's Climate Resilience Strategy

Washington's Climate Resilience Strategy is our roadmap to plan and prepare for the impacts of climate change.

https://ecology.wa.gov/air-climate/responding-to-climate-change/washingtons-climate-strategy

Climate resilience and shoreline management

Climate change is impacting shorelines throughout Washington.

https://ecology.wa.gov/water-shorelines/shoreline-coastal-management/shoreline-coastal-planning/shoreline-planners-toolbox/climate-resilience-and-shoreline-management

Voluntary Stewardship Program

Find electronic data and other information supporting counties planning under Washington's VSP.

https://ecology.wa.gov/about-us/accountability-transparency/partnerships-committees/voluntary-stewardship-program

WCC member resources

Access forms and resources for WCC AmeriCorps members.

https://ecology.wa.gov/about-us/jobs-at-ecology/washington-conservation-corps/member-resources

Wetland delineation resources

Use only approved methods and guidance to delineate wetlands on your property.

https://ecology.wa.gov/water-shorelines/wetlands/tools-resources/delineation-resources

Email notification lists

Sign up for email updates about environmental issues and activities affecting Washington.

https://ecology.wa.gov/about-us/who-we-are/news/email-lists

Water availability

We study and regulate water resources by watershed. Find yours and see water availability.

https://ecology.wa.gov/water-shorelines/water-supply/water-availability

Wetlands function assessment project

Learn about the wetland function assessment methods, the basis of the current wetland rating system.

https://ecology.wa.gov/water-shorelines/wetlands/tools-resources/function-assessment-project

Wetland contacts by subject & region

Have a wetland-related question? Find our regional wetland and subject-specific wetland contacts.

https://ecology.wa.gov/water-shorelines/wetlands/tools-resources/contacts-by-subject-region

Wetlands & climate change

Wetlands are important for mitigating and adapting to the effects of climate change.

https://ecology.wa.gov/water-shorelines/wetlands/tools-resources/wetlands-climate-change

Best available science for wetlands

Local governments are required to use best available science in wetland policies and regulations.

https://ecology.wa.gov/water-shorelines/wetlands/tools-resources/best-available-science

National Wetland Condition Assessment

Our staff collected data for the 2021 National Wetland Condition Assessment.

https://ecology.wa.gov/water-shorelines/wetlands/tools-resources/national-wetland-condition-assessment

Wetland program plan

See what we hope to accomplish in our strategic plan for the state's wetland program.

https://ecology.wa.gov/water-shorelines/wetlands/tools-resources/wetland-program-plan

Information for water conservancy board members

We provide training, operations, and process information for water conservancy board members.

https://ecology.wa.gov/about-us/accountability-transparency/partnerships-committees/water-conservancy-boards

Monitoring ocean acidification

Ocean acidification threatens Washington's marine species and ecosystems.

https://ecology.wa.gov/air-climate/responding-to-climate-change/ocean-acidification

Wetland resources for VSP planning

Find mapping resources for wetlands to assist with planning under the Voluntary Stewardship Program.

https://ecology.wa.gov/about-us/accountability-transparency/partnerships-committees/voluntary-stewardship-program/wetland-resources

2025-30 Strategic Plan

Get to know Ecology, our mission, vision, and goals for 2025-2030.

https://ecology.wa.gov/about-us/who-we-are/strategic-plan/2025-30-strategic-plan

Washington Conservation Corps

Washington Conservation Corps is your chance to gain hands-on experience in the environmental field.

https://ecology.wa.gov/about-us/jobs-at-ecology/washington-conservation-corps