Search Results - Washington State Department of Ecology

SeaPort Sound Terminal

We regulate water and hazardous waste activities at the SeaPort Sound Terminal in Tacoma.

https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/seaport-sound-terminal

We regulate water and hazardous waste activities at the Linde hydrogen plant in Anacortes.

https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/matheson-anacortes

Polychlorinated biphenyls (PCBs) in building materials

Learn about possible sources of polychlorinated biphenyls (PCBs) in building materials.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance/common-dangerous-waste/construction-and-demolition/pcbs-in-buildings

Watershed health sampling schedules

See when our crews will be collecting data on the health of watersheds at sites across the state.

https://ecology.wa.gov/research-data/monitoring-assessment/river-stream-monitoring/habitat-monitoring/watershed-health/sampling-schedules

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

Water measuring devices and installation

Find out about meter types, technical requirements, vendors, and installers.

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

Measuring Street Sweeping 6PPDQ Whole Environment Load Reductions

Potential for street sweeping to reduce the amount of 6PPDQ on the roadway

https://ecology.wa.gov/regulations-permits/reporting-requirements/stormwater-monitoring/stormwater-action-monitoring/sam-effectiveness-studies/sweeping-6ppd-load

Bioretention effectiveness for 6PPD and PFAS

Treatment Effectiveness of Stormwater Facility with HPBSM for Toxic Chemicals

https://ecology.wa.gov/regulations-permits/reporting-requirements/stormwater-monitoring/stormwater-action-monitoring/sam-effectiveness-studies/bioretention-effectiveness-for-6ppd-and-pfas

Island County BEACH report

Learn about beaches sampled for bacteria levels in Island County in the summer of 2024.

https://ecology.wa.gov/research-data/monitoring-assessment/beach-annual-report/island-county

Jefferson County BEACH report

Learn about beaches sampled for bacteria levels in Jefferson County in the summer of 2024.

https://ecology.wa.gov/research-data/monitoring-assessment/beach-annual-report/jefferson-county

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

Nippon Dynawave, Longview

We regulate the air, water, and hazardous waste activities at the Nippon Dynawave mill in Longview.

https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/nippon-dynawave-longview

Municipal stormwater permit reissuance

Information about the reissuance of 2024 Western and Eastern Washington Municipal Stormwater permits.

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

Construction Stormwater General Permit eCoverage Packet

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

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

Stormwater Action Monitoring communications

You can find SAM Booklet, fact sheets and videos on this page.

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

McKinley Paper Company

We regulate water and hazardous waste at the McKinley Paper Co. mill in Port Angeles.

https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/mckinley-paper

Lower Columbia urban streams

This monitoring is funded by the municipal stormwater permittees in Clark and Cowlitz counties.

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

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

Contaminants in lake sediment cores

We age-date sediment cores from three lakes per year to assess contaminant deposition trends.

https://ecology.wa.gov/research-data/monitoring-assessment/toxics-monitoring/contaminants-in-sediment-cores

Washington State Hydrography Dataset Program

Mapping surface waters in Washington.

https://ecology.wa.gov/research-data/data-resources/geographic-information-systems-gis/hydrography-program-washd

Watershed health sampling sites

Learn about the sites we sample.

https://ecology.wa.gov/research-data/monitoring-assessment/river-stream-monitoring/habitat-monitoring/watershed-health/sampling-sites

Shoalwater Bay berm monitoring

We monitored the Willapa Bay shoreline to assess how a flood-protection berm changed over time.

https://ecology.wa.gov/research-data/monitoring-assessment/coastal-monitoring-assessment/projects/shoalwater-bay-berm-monitoring

Eyes Over Puget Sound

We provide documentation of Puget Sound waterways using community submissions and aerial photography.

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

Mercury in fish tissue

We monitor mercury levels in freshwater fish throughout Washington.

https://ecology.wa.gov/research-data/monitoring-assessment/toxics-monitoring/mercury-in-fish-tissue

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

Northwest Alloys, Longview

We regulate water, hazardous waste and cleanup activities at Northwest Alloys in Longview.

https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/northwest-alloys-longview

Tesoro Refinery

We regulate water, hazardous waste, and cleanup at Tesoro Refining & Marketing Company in Anacortes.

https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/tesoro-refinery

Habitat monitoring methods

We monitor the health of streams by measuring the health of habitat, water, and sediment chemistry.

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

Thurston County BEACH report

Learn about beaches sampled for bacteria levels in Thurston County in the summer of 2024.

https://ecology.wa.gov/research-data/monitoring-assessment/beach-annual-report/thurston-county

Sonoco Paper Mill

We regulate water and hazardous waste activities at Sonoco Products Company in Sumner.

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

Automotive mercury switch removal program

Get paid to recycle your mercury switches from certain vehicles.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance/common-dangerous-waste/auto-recyclers/automotive-mercury-switch-removal

Georgia Pacific, Camas

We regulate water, hazardous waste, and cleanup actions at the Georgia Pacific mill in Camas.

https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/georgia-pacific-camas

Construction stormwater general permit history

CSWGP documentation from previous permit reissuance and appeals processes.

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

Watershed health — Northeast update

River and stream habitat in the Northeast region shows improving conditions.

https://ecology.wa.gov/research-data/monitoring-assessment/river-stream-monitoring/habitat-monitoring/watershed-health/regional-reports/northeast

Fish consumption rate: Technical support document

This 2013 technical support document estimates how much fish Washington residents are eating.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/fish-consumption-rates-technical-support

Cosmo Specialty Fibers

We regulate air, water, and hazardous waste at Cosmo Specialty Fibers in Cosmopolis.

https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/cosmo-specialty-fibers

WestRock, Longview

We regulate air, water, and hazardous waste at the WestRock mill in Longview.

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

Port Townsend Paper

We regulate air, water, and hazardous waste at the Port Townsend Paper Corp. pulp and paper mill

https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/port-townsend-paper

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

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

Meet our team

Businesses can contact our team for non-enforcement pollution prevention (P2) technical assistance.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/pollution-prevention/pollution-prevention-services/toxics-reduction-assistance/meet-our-team

CLARC guidance

Use these guidance documents in combination with CLARC to establish cleanup levels.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/contamination-cleanup-tools/clarc/guidance

Aquatic pesticide permits

Find information about the various aquatic pesticide permits used in our state.

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

Early planning for clean energy projects

Planning early is vital for clean energy projects

https://ecology.wa.gov/regulations-permits/sepa/clean-energy/early-planning

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

Empirical demonstrations under MTCA

Empirical demonstrations can show that applicable groundwater cleanup levels aren’t being exceeded.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/empirical-demonstrations-mtca

Monitoring for toxic chemicals

We conduct long-term monitoring to understand levels and trends of toxics in the environment.

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

Municipal stormwater general permits

This permit covers urban areas that collect stormwater runoff in public storm sewer systems.

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

Hasa, Longview

We regulate water and hazardous waste activities at the Hasa bleach repackaging plant in Longview.

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

Packaging Corp. of America, Wallula

We regulate air, water, hazardous waste, and compost at the PCA mill in Wallula.

https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/pca-wallula