Search Results - Washington State Department of Ecology

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

Water Quality

See if water near you are healthy. Learn about cleanups, wastewater, runoff, and how Puget Sound is changing.

https://ecology.wa.gov/water-shorelines/water-quality

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

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

Industrial Stormwater General Permit eCoverage Packet

The Industrial Stormwater General Permit is switching from paper copies to an electronic packet.

https://ecology.wa.gov/regulations-permits/permits-certifications/stormwater-general-permits/industrial-stormwater-permit/ecoverage-packet

Sand & Gravel General Permit history

Find historical information about our Sand and Gravel General Permit.

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

Burrowing shrimp control

We work with the IPM group to find solutions to control burrowing shrimp in Willapa Bay & Grays Harbor.

https://ecology.wa.gov/regulations-permits/permits-certifications/aquatic-pesticide-permits/burrowing-shrimp-control

Stormwater monitoring

Stormwater monitoring helps us know how well water quality permits are working.

https://ecology.wa.gov/regulations-permits/reporting-requirements/stormwater-monitoring

Water quality individual permit guidance

Guidance and resources for individual wastewater permits; limit pollution, maintain water quality.

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

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

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

EIM — environmental monitoring data

EIM contains environmental monitoring data collected by our scientists and partners.

https://ecology.wa.gov/research-data/data-resources/environmental-information-management-database

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

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

Stormwater Action Monitoring - Administering pooled resources

Credible and transparent administration of Stormwater Action Monitoring program.

https://ecology.wa.gov/regulations-permits/reporting-requirements/stormwater-monitoring/stormwater-action-monitoring/administration

Cleaning up contamination with model remedies

Model remedies are ways to clean up routine, low-risk contaminated sites under MTCA.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/mtca-model-remedies

GIS standards

Find standards for Ecology's GIS data.

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

EPA guidance - HHW-type waste not exempt from non-household generators

View EPA guidance on exclusions from Household Hazardous Waste definitions.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/managing-moderate-risk-waste-guidance/hhw-type-waste-not-exempt-from-non-household-g-1

Common cleanup situations for homeowners and small businesses

Learn about common cleanup situations likely to affect home and small business owners.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/guidance-for-residential-cleanups/common-cleanup-situations-for-homeowners-small-b

About the state waste plan

Learn what went into updating the State Solid and Hazardous Waste Plan.

https://ecology.wa.gov/regulations-permits/plans-policies/washington-state-waste-plan/about-the-plan

Attainment State Implementation Plans

Learn about Washington's plans to ensure communities meet national air quality standards.

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

Noise pollution — Frequently asked questions for local governments

Do you have questions about noise pollution? Find some common questions and answers for governments.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/noise-pollution/noise-pollution-faq-for-local-government

SEPA document templates (forms)

SEPA checklist with guidance plus other suggested templates for SEPA notices.

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

Oil spill contingency planning standards

We verify standards for industry contingency plans using a GIS-based model.

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

Permit Register

The Permit Register includes actions or changes to air operating permits.

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

Water power license fees: biennial reports to the Legislature

Washington dam owners pay water power license fees for the use of state waters to generate energy.

https://ecology.wa.gov/regulations-permits/permits-certifications/401-water-quality-certification/certifications-for-hydropower-licenses/water-power-licensing-fees

Grays Harbor terminal expansion environmental reviews

The current status of environmental reviews for two oil-related proposals in Grays Harbor.

https://ecology.wa.gov/regulations-permits/sepa/environmental-review/sepa-at-ecology/grays-harbor-terminal-expansion

Special waste

Special waste is a category of dangerous waste that may be managed as a conditionally exempt waste.

https://ecology.wa.gov/regulations-permits/reporting-requirements/dangerous-waste-reporting-requirements/dangerous-waste-annual-report/special-waste

Stormwater Action Monitoring - status & trends studies

Monitoring impacts of stormwater runoff from urban areas into Western Washington receiving waters.

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

SEPA checklist guidance, Section C: Signature

Guidance for SEPA environmental checklist Part C.

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

Class 1 Facility out of service and decommissioning

We amended WAC 173-180 in July 2023.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/guidance-for-oil-industry/facilities-out-of-service

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

Mercury waste

Learn how to handle mercury dangerous waste at your business.

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

Step three: Is it listed?

Determine if your waste is on the F, K, P, or U lists in the regulations.

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

Underground storage tank closures

Important information about closing your underground storage tanks.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/ust-owner-and-operator-resources/tank-closures

Underground Storage Tank information for new owners and new installations

Information for new Underground Storage Tank (UST) owners and installation of new tanks.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/ust-owner-and-operator-resources/new-owner-new-tank

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

Financial assurance updates

Cost estimates for financial assurance need to be adjusted every year for inflation.

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

WestRock, Tacoma

We regulate water, hazardous waste and cleanup at RockTenn's WestRock pulp and paper mill in Tacoma.

https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/westrock-tacoma

Best Achievable Protection (BAP) for spill response

Best Achievable Protection (BAP) is training, operations, and technologies for successful responses.

https://ecology.wa.gov/regulations-permits/plans-policies/contingency-planning-for-oil-industry/best-achievable-protection

EPCRA Tribal guidance

Information on the Emergency Planning & Community Right-to-Know Act for Tribal nations.

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

E-Cycle WA outreach materials

Find E-Cycle Washington outreach materials, access program logo requirements, flyers, and stickers.

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

Air monitoring network

Ecology's air monitoring network provides local air quality conditions.

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

State Environmental Policy Act (SEPA)

We provide information about the State Environmental Policy Act (SEPA).

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

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

Air quality emissions reporting

We collect and track air pollution.

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

Noise pollution

Learn more about how to manage noise pollution.

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

Checklists and templates for site investigation reports and cleanup plans

Get help preparing remedial investigations, feasibility studies, and cleanup action plans.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/cleanup-report-checklists-and-templates

Dangerous waste reporting requirements

Learn about dangerous waste reports, and how to notify us of dangerous waste activities.

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

Register for E-Cycle Washington

Register online for E-Cycle Washington through SecureAccess Washington (SAW).

https://ecology.wa.gov/regulations-permits/reporting-requirements/e-cycle-participant-registration