Search Results - Washington State Department of Ecology

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

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

Matheson Tri-Gas, Anacortes

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

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

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

Certification for incinerator & landfill operators

How to get certified to operate and inspect solid waste incinerator and landfill facilities.

https://ecology.wa.gov/regulations-permits/permits-certifications/certification-for-incinerator-landfill-operator

Beneficial use determinations

Learn about beneficial use determinations — exemptions from solid waste permitting requirements.

https://ecology.wa.gov/regulations-permits/permits-certifications/solid-waste-permits/beneficial-use-determinations

401 Water Quality Certifications for non-hydropower permits

We review projects needing federal approval to assure compliance with state water quality standards.

https://ecology.wa.gov/regulations-permits/permits-certifications/401-water-quality-certification/non-hydropower-401-certifications

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

Mineral prospecting and placer mining

Information from Ecology and WDFW about mineral prospecting and placer mining, and ESHB 1261.

https://ecology.wa.gov/regulations-permits/permits-certifications/mineral-prospecting-and-placer-mining

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

Training and certification for facilities

Well-trained facility staff are critical for an effective spill prevention program.

https://ecology.wa.gov/regulations-permits/permits-certifications/facilities-training-certification

Stormwater permittee guidance & resources

Resources for general permit application, reporting on monitoring, and technical requirements.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/stormwater-permittee-guidance-resources

Clean Water Act: Section 401 Water Quality Certifications

Under the Clean Water Act, we help make sure projects, actions, and activities don't harm state waters.

https://ecology.wa.gov/regulations-permits/permits-certifications/401-water-quality-certification

Changes to existing water rights

If you want to change to an existing water right, we recommend a pre-application consultation.

https://ecology.wa.gov/regulations-permits/permits-certifications/water-right-permits/changes-to-existing-water-rights

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

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

Health impact review of toxic air pollution

We must review new projects that emit toxic air pollutants.

https://ecology.wa.gov/regulations-permits/permits-certifications/air-quality-permits/notice-of-construction-permit/health-impact-assessments-of-toxic-air-pollutants

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

Pacific Coast Coal Company

We permit the water quality discharge at the Pacific Coast Coal Company for the John Henry Mine.

https://ecology.wa.gov/regulations-permits/permits-certifications/pccc

Phase I Municipal Stormwater Permit

This permit regulates stormwater discharges in the most highly populated areas in Washington.

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

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

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

Western Washington Phase II Municipal Stormwater Permit

Permit regulates stormwater discharges in the 2nd-most highly populated areas in Western Washington.

https://ecology.wa.gov/regulations-permits/permits-certifications/stormwater-general-permits/municipal-stormwater-general-permits/western-washington-phase-ii-municipal-stormwater

Proficiency testing requirements

Six proficiency testing sample providers are approved by our laboratory accreditation program.

https://ecology.wa.gov/regulations-permits/permits-certifications/laboratory-accreditation/proficiency-testing-providers

Bench sheets and control charts for labs

Environmental laboratories can find and download quality-control spreadsheets.

https://ecology.wa.gov/regulations-permits/permits-certifications/laboratory-accreditation/bench-sheets-and-control-charts-for-labs-old

Using digital reference thermometers in microbiology testing laboratories

Accredited microbiological labs may use digital reference thermometers under specific conditions.

https://ecology.wa.gov/regulations-permits/permits-certifications/laboratory-accreditation/using-digital-reference-thermometers-in-microb-1

Choosing an analytical laboratory

Take these steps and consider what you need when choosing an environmental laboratory.

https://ecology.wa.gov/regulations-permits/permits-certifications/laboratory-accreditation/how-to-choose-an-analytical-laboratory

Laboratory accreditation contacts

Our laboratory accreditation specialists are available to help you and to answer questions.

https://ecology.wa.gov/regulations-permits/permits-certifications/laboratory-accreditation/lab-accreditation-contacts

Applying for laboratory accreditation

Learn specific details on how laboratories may seek and maintain accreditation in Washington.

https://ecology.wa.gov/regulations-permits/permits-certifications/laboratory-accreditation/applying-for-laboratory-accreditation

Municipal stormwater permit compliance assurance program

We use a proactive approach to ensuring the permits are implemented and effective.

https://ecology.wa.gov/regulations-permits/compliance-enforcement/municipal-stormwater-compliance-assurance-program

Environmental laboratory accreditation

Learn how we accredit environmental laboratories and where to find them.

https://ecology.wa.gov/regulations-permits/permits-certifications/laboratory-accreditation

Upland Finfish Hatching & Rearing General Permit

This water quality permit covers certain hatcheries that raise finfish species.

https://ecology.wa.gov/regulations-permits/permits-certifications/upland-finfish-permit

Stormwater monitoring

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

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

Clean energy coordination

We provide information on how clean energy projects are sited, reviewed, and permitted.

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

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

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

401 Water Quality Certifications for hydropower licenses

We work with the Federal Energy Regulatory Commission (FERC) licensing process for hydropower dams.

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

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

State Environmental Policy Act (SEPA)

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

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

Air quality emissions reporting

We collect and track air pollution.

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

Dam operation & maintenance guidance

We provide guidance to assist dam owners with operations and maintenance.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dam-operation-maintenance-guidance

Dangerous waste permits

Facilities that store, treat, or dispose of dangerous waste must have a dangerous waste permit.

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

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

Industrial Stormwater General Permit

Find information and helpful resources about the Industrial Stormwater General Permit.

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

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

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

Washington's biosolids permit system

Help for operators with permit applications, and those managing permit coverage, including modifications.

https://ecology.wa.gov/regulations-permits/permits-certifications/biosolids-permit-system

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