Search Results - Washington State Department of Ecology

We regulate water and hazardous waste at this facility.

https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/divert-integrated-food-recovery

U.S. Oil Refinery

We regulate water and hazardous waste at the U.S. Oil and Refining Co. oil refinery in Tacoma.

https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/us-oil-refining

BP Refinery

We regulate water, hazardous waste, and cleanup activities at the BP Cherry Point Refinery in Blaine.

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

Weyerhaeuser Lumber Mill, Longview

We regulate the water and hazardous waste activities at Weyerhaeuser's lumber mill in Longview.

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

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

Specialty Minerals, Longview

We regulate water and hazardous waste at the Specialty Minerals chemical plant in Longview.

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

SEPA training

We provide SEPA training sessions and other presentations.

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

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

Vapor intrusion

We have guidance that helps you evaluate and respond to vapor intrusion at your MTCA cleanup site.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/vapor-intrusion-overview

River and stream flow monitoring

We report the amount of water flowing through Washington’s rivers and streams using graphs and maps.

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

Watershed health — Mid-Columbia update

River and stream habitat in the Mid-Columbia Region shows slight improvement.

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

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

Watershed health — Upper Columbia update

River and stream habitat in the Snake River Region shows mostly good conditions.

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

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

Coastal monitoring & analysis projects

Learn about coastal mapping and monitoring projects around Puget Sound and Pacific coast.

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

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

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 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

CLARC data tables and other technical information

Download CLARC data tables for information that helps site managers determine cleanup levels.

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

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

Regulating facilities that handle mixed waste in Washington State

Ecology regulates low-level mixed waste facilities in Washington.

https://ecology.wa.gov/regulations-permits/permits-certifications/radioactive-mixed-waste-permits

Rules for used oil processors & re-refiners

Follow these rules if you are a used oil processor or re-refiner.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/used-oil-processors-rules

Water quality permit database — PARIS

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

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

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

Moderate risk waste facility guidance

Regulatory information and guidance for county moderate risk waste facilities.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/moderate-risk-waste-facility-guidance

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

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

River & stream water quality monitoring

We monitor water quality at nearly 100 river and stream stations throughout the state.

https://ecology.wa.gov/research-data/monitoring-assessment/river-stream-monitoring/water-quality-monitoring

Freshwater fish contaminant monitoring

We analyze freshwater fish for various toxic chemicals.

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

Monitoring for lead in lakes & streams

We monitor temporal changes in the lead levels of rivers and streams in the state.

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

River & stream data quality assurance

See river and monitoring quality assurance plans, documents, and methods.

https://ecology.wa.gov/research-data/monitoring-assessment/river-stream-monitoring/water-quality-monitoring/river-stream-data-quality-assurance

Measuring bluff erosion in Clallam County

We collected scientific data about bluff-backed Dungeness and Elwha beaches and spits to measure erosion.

https://ecology.wa.gov/research-data/monitoring-assessment/coastal-monitoring-assessment/projects/clallam-county-bluffs

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

Alcoa Intalco

We regulate air, water, hazardous waste, & cleanup at the Alcoa Intalco Aluminum Corp. in Ferndale.

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

Cannabis licensing and the environment

Environmental permits may be required for cannabis growers and processors.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/guidance-for-cannabis-businesses

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

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, 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

Statewide SEPA register

We maintain a searchable database of received SEPA records since 2000.

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

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

Imperium expansion proposal

Imperium Terminal Services proposed expanding its existing transport facility in Hoquiam.

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

River & stream flow monitoring methods

We measure water's width, depth, and speed in rivers and streams to compute streamflow.

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

Water quality monitoring methods for rivers & streams

Learn how we measure water quality in rivers and streams, including methods and parameters.

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

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 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

Water rights and dam safety policies, procedures & guidance

Policies, procedures & guidance guide our water right and dam safety work

https://ecology.wa.gov/regulations-permits/plans-policies/water-rights-dam-safety-policies-procedures-guidan

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

SEPA Guidance for Nonproject proposals

Completing SEPA review for "nonproject" proposals.

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

Episodic generation of dangerous waste

Manage waste as an episodic event to maintain your current generator category.

https://ecology.wa.gov/regulations-permits/reporting-requirements/dangerous-waste-reporting-requirements/notification-of-dangerous-waste/episodic-generation