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Prepare for an inspection
We inspect facilities to ensure they legally handle, store, and dispose of dangerous waste.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance/dangerous-waste-basics/prepare-for-an-inspection
State Emergency Response Commission (SERC)
State Emergency Response Commission implements the Emergency Planning and Community Right-to Know Act
https://ecology.wa.gov/regulations-permits/reporting-requirements/emergency-planning-community-right-to-know-act/state-emergency-response-commission
Dam construction & modification guidance
We provide guidance and technical notes for dam construction and modification.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dam-construction-modification-guidance
Bridge & Ferry Terminal Washing Permit
This permit protects water from cleaning and painting activities at bridges and ferry terminals.
https://ecology.wa.gov/regulations-permits/permits-certifications/bridge-and-ferry-terminal-washing-permit
E-Cycle WA guidance and reports
This page includes E-Cycle WA frequently asked questions and annual reports.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/electronics-ecycle-guidance-and-reports
Winery general permit
The winery general permit helps prevent possible pollution problems from winery wastewater.
https://ecology.wa.gov/regulations-permits/permits-certifications/winery-permit
Safer products for businesses
Learn how your business can find and purchase less toxic chemicals and products.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/safer-alternatives/safer-products-for-businesses
Solvents
Most solvents become dangerous waste and must be managed properly.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance/common-dangerous-waste/solvents
Frequently asked questions about pharmaceutical waste
Frequently asked questions about pharmaceutical waste and our answers.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance/common-dangerous-waste/pharmaceutical-waste/frequently-asked-questions
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
TurboWaste
TurboWaste is Washington's electronic dangerous waste annual report reporting tool.
https://ecology.wa.gov/regulations-permits/reporting-requirements/dangerous-waste-reporting-requirements/dangerous-waste-annual-report/turbowaste
Air operating permit for large sources of air pollution
Air operating permit requirements for large sources of air pollution.
https://ecology.wa.gov/regulations-permits/permits-certifications/air-quality-permits/air-operating-permit
Frequently Asked Questions (FAQs) for Chapter 173-303
Frequently asked questions about Chapter 173-303 WAC, Dangerous Waste Regulations.
https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/closed-rulemaking/wac173-303-faq
Recordkeeping
Learn what records your business must keep if you generate dangerous waste.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance/dangerous-waste-basics/recordkeeping
Local Emergency Planning Committees (LEPCs)
Information on how to contact state and local emergency planning officials.
https://ecology.wa.gov/regulations-permits/reporting-requirements/emergency-planning-community-right-to-know-act/local-emergency-planning-committees
SEPA lead agency contacts
Browse tables containing SEPA contacts at state and local agencies in Washington.
https://ecology.wa.gov/regulations-permits/sepa/environmental-review/sepa-lead-agency-contacts
Lithium-ion battery safety and management
Learn how to safely manage, store, and dispose of lithium-ion batteries.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance/common-dangerous-waste/batteries/lithium-ion-batteries
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
Hazardous waste service providers
Learn how your business can hire a waste service provider to handle and dispose of your dangerous waste.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance/dispose-recycle-or-treat/hazardous-waste-service-provider
Nicotine and cannabis waste
Learn how your business can properly handle nicotine, vape, and cannabis waste.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance/common-dangerous-waste/nicotine-and-cannabis-waste
Tier Two reporting
Facility reporting guidelines for Tier Two, including how to file with Tier Two Online.
https://ecology.wa.gov/regulations-permits/reporting-requirements/emergency-planning-community-right-to-know-act/tier-two-reporting
Notification of dangerous waste activity
Learn how to get an EPA/State Identification (ID) Number to report your dangerous waste.
https://ecology.wa.gov/regulations-permits/reporting-requirements/dangerous-waste-reporting-requirements/notification-of-dangerous-waste
Certification information
We certify wastewater treatment plant operators to ensure that Washington’s waters are protected.
https://ecology.wa.gov/regulations-permits/permits-certifications/wastewater-operator-certification/certification-information
Manuals & procedures for accredited labs
Download the procedure manual, and find tips and tools for accredited environmental labs.
https://ecology.wa.gov/regulations-permits/permits-certifications/laboratory-accreditation/manual-and-procedures-for-accredited-laboratories
Pollution prevention assistance (PPA)
Businesses can get free, non-regulatory pollution prevention help from local PPA specialists.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/pollution-prevention-services/pollution-prevention-assistance
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
Proposed plan would guide Washington’s efforts to better prepare for and deal with climate impacts
June 11, 2024 News release: Working with other state agencies to update Washington’s Climate Resilience Strategy, Ecology has released a draft of that strategy and is seeking public comment on the plan.
https://ecology.wa.gov/about-us/who-we-are/news/2024/draft-climate-resilience-strategy
Drought declared for Yakima region for third year in a row
April 8, 2025 News release: Ecology is extending a drought emergency for a third consecutive year in central Washington. It is also issuing a drought advisory for north-central Washington and parts of the Puget Sound region.
https://ecology.wa.gov/about-us/who-we-are/news/2025/april-8-drought
New rules cut the use of climate change “super pollutants”
December 14, 2020 News release: Ecology adopts final rules to guide phase-out of hydrofluorcarbons, or HFCs, which are potent climate change chemicals.
https://ecology.wa.gov/about-us/who-we-are/news/2020/dec-14-new-rules-cut-the-use-of-climate-change-sup
New grants will help Washington landfills reduce methane emissions
August 6, 2024 News release: Ecology is award $15 million in grants from Washington’s Climate Commitment Act to help cut climate-warming methane escaping from municipal solid waste landfills.
https://ecology.wa.gov/about-us/who-we-are/news/2024/ecology-opens-landfill-methane-grants
State lays out plan to tackle impacts of climate change in Washington
September 30, 2024 News release: The Washington State Climate Resilience Strategy works to prepare for climate change threats and impacts from drought, changing ocean conditions, flooding, extreme heat, and wildfires and smoke.
https://ecology.wa.gov/about-us/who-we-are/news/2024/sept-30-climate-resilience-strategy
Greenhouse gas reporting rules updated for new climate law
October 13, 2021 News release: New greenhouse gas reporting rules proposed for Climate Commitment Act
https://ecology.wa.gov/about-us/who-we-are/news/2021/oct-13-greenhouse-gas-reporting-rules-updated-for
Public invited to comment on rule for landmark climate change program
May 17, 2022 News release: Ecology is seeking public comment on a new “cap-and-invest” rule needed to implement the Climate Commitment Act and reduce greenhouse gas emissions from the state’s largest sources.
https://ecology.wa.gov/about-us/who-we-are/news/2022/may-17-cap-and-invest-public-comment
Ecology begins rulemaking on climate funds reporting
May 25, 2023 News release: Ecology is starting new rulemaking focused on reporting requirements for state agencies that receive and use CCA auction revenues.
https://ecology.wa.gov/about-us/who-we-are/news/2023/may-25-cca-funds-reporting
State and local agencies to host community event focused on Lower Yakima Valley drinking water
May 20, 2024 News release: On May 29, state and local agencies are hosting an open house-style event to provide information about well water safety in the Lower Yakima Valley. Free door prizes, kids' activities, and food.
https://ecology.wa.gov/about-us/who-we-are/news/2024/may-20-gwma-open-house-notice
Yakima area air quality focus of March 24 listening sessions
March 10, 2022 News release: On March 24, the Washington Department of Ecology will host two virtual listening sessions for Yakima area residents to hear about their concerns with air quality issues in their communities.
https://ecology.wa.gov/about-us/who-we-are/news/2022/march-10-yakima-listening-sessions-on-march-24
Washington adopts rule to decrease methane emissions from landfills
May 13, 2024 News release: Ecology is adopting a new regulation to reduce emissions of methane – a potent greenhouse gas – from municipal solid waste landfills.
https://ecology.wa.gov/about-us/who-we-are/news/2024/new-rule-to-decrease-landfill-methane-emissions
State begins work to implement Climate Commitment Act
August 6, 2021 News release: Ecology begins rulemaking to implement Climate Commitment Act.
https://ecology.wa.gov/about-us/who-we-are/news/2021/aug-6-state-begins-work-to-implement-climate-commi
Washington state targets methane gas from landfills to help slow climate change
December 8, 2022 News release: Washington continues to focus on decreasing greenhouse gas emissions and is now working on a rule requiring some municipal solid waste landfills to reduce the amount of methane they emit.
https://ecology.wa.gov/about-us/who-we-are/news/2022/landfill-methane-rule
Washington begins work to slash HFCs – climate change “super pollutants”
August 1, 2019 News release: We're working to reduce use of hydrofluorocarbons - climate change super pollutants.
https://ecology.wa.gov/about-us/who-we-are/news/2019/aug-1-washington-begins-work-to-slash-hfcs
Ecology proposes adopting federal human health criteria for water quality
September 17, 2024 News release: We are proposing to adopt the federal human health criteria for water quality in Washington.
https://ecology.wa.gov/about-us/who-we-are/news/2024/sept-17-proposal-on-federal-human-health-criteria
2019 data shows greenhouse gas emissions increased
December 28, 2022 News release: The latest data available in Washington’s inventory of greenhouse gas emissions shows statewide emissions rose in 2019, reaching their highest mark since 2007.
https://ecology.wa.gov/about-us/who-we-are/news/2022/dec-28-2019-state-ghg-inventory
Washington inks deal with carbon emissions auction platform
December 20, 2021 News release: Ecology signs deal for greenhouse gas emissions auction services with WCI, Inc.
https://ecology.wa.gov/about-us/who-we-are/news/2021/dec-20-washington-inks-deal-with-emissions-auction
Better protections proposed for salmon spawning and habitat
October 19, 2021 News release: Proposed updates will help ensure salmon have enough oxygen and a healthy habitat for spawning.
https://ecology.wa.gov/about-us/who-we-are/news/2021/oct-19-salmon-spawning-rule
EPA water standards create uncertainty for rule to reduce PCBs discharged into Spokane River
June 10, 2020 News release: EPA roll back of water quality standards creates uncertainty for rule to reduce PCBs discharged into Spokane River. Instead Ecology seeks early feedback on preliminary plans.
https://ecology.wa.gov/about-us/who-we-are/news/2020/june-10-spokane-river-preliminary-draft
Washington aces first Climate Commitment Act compliance test
November 15, 2024 News release: Climate Commitment Act businesses had to turn in emissions allowances for the first time in November. 99.9% were submitted-- a strong start to achieving the policy’s greenhouse gas limits.
https://ecology.wa.gov/about-us/who-we-are/news/2024/nov-15-washington-aces-first-climate-commitment-act-compliance-event
Report outlines plan to reduce bacteria levels in Yakima-area creeks
October 13, 2020 News release: Strategies to address fecal bacteria in Cowiche Creek, Wide Hollow Creek and the Moxee Drain watersheds are outlined in a draft technical report that’s now available for review and comment.
https://ecology.wa.gov/about-us/who-we-are/news/2020/oct-13-mid-yakima-bacteria-tmdl
Ecology offering $1.8 million to Washington communities for drought planning, preparedness
November 30, 2023 News release: The Department of Ecology will offer $1.8 million in grants to increase local drought preparedness throughout the state.
https://ecology.wa.gov/about-us/who-we-are/news/2023/nov-30-drought-planning-and-preparedness-grants
New report and dashboard show Climate Commitment Act investments
November 27, 2024 News release: See exactly how Climate Commitment Act funds have been spent on transit, wildfire preparedness, clean energy and more.
https://ecology.wa.gov/about-us/who-we-are/news/2024/nov-27-cca-investments
Ecology proposes rulemaking on electricity markets
June 28, 2024 News release: The Department of Ecology has proposed rule changes to ensure that greenhouse gas emissions from centralized electricity market imports are accounted for under the Climate Commitment Act.
https://ecology.wa.gov/about-us/who-we-are/news/2024/june-28-electricity-markets-rule-proposal
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