Regulations & Permits - Washington State Department of Ecology

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

Oil spill prevention resources for the maritime industry

This page contains oil spill prevention resources for the maritime industry.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/guidance-for-oil-industry/vessel-information/prevention-resources

Designate your waste — is it dangerous?

Designation is the process of determining if a waste is dangerous waste and what the hazards are.

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

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

SEPA Frequently Asked Questions

SEPA questions and answers.

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

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

Antifreeze

Learn how your business can manage antifreeze and recycle spent antifreeze.

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

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-clean-up-tools/clarc/data-tables

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

Municipal stormwater permit reissuance

Information about the reissuance of 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

History of changes to CLARC

Read about major changes to the Cleanup Levels and Risk Calculation (CLARC) spreadsheet since 2004.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/contamination-clean-up-tools/clarc/latest-news

Stormwater Action Monitoring — source identification

Learning, sharing best ways to identify and eliminate sources of stormwater pollution in Western WA.

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

Asbestos

Asbestos is a hazardous material still found in building materials. Learn how to keep workers safe.

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

Western Washington Hydrology Model

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

SEPA guide for project applicants

SEPA guidance for private proponents.

https://ecology.wa.gov/regulations-permits/sepa/environmental-review/sepa-guidance/guide-for-project-applicants

Millennium Bulk Terminals Longview

Millennium proposed a coal export terminal at the former Reynolds smelter in Cowlitz County.

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

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

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

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

Counting dangerous waste

Learn how to count your business's dangerous waste and determine your generator category.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance/dangerous-waste-basics/counting-dangerous-waste