Dangerous substances can spill to land, water, or air. The sooner a spill is reported, the sooner we can respond. Failure to report a spill you're responsible for could result in penalties.

We aim to provide timely information about contaminated site cleanups and opportunities for you to participate in that process. On this page you can find our: Contaminated Site Register — Sign up to ...

a. Identify public streets and highways serving the site or affected geographic area, and describe proposed access to the existing street system. Show on site plans, if any: Review agencies need ...

Low Impact Development (LID) is a stormwater and land-use management strategy that tries to mimic natural hydrologic conditions by emphasizing the following techniques: Conservation Use of on-site ...

Our Permitting and Reporting Information System (PARIS) database contains information about water quality permits, inspections, enforcement actions, and discharge monitoring reports (DMRs). Both ...

During the 45 years of plutonium production at Hanford, waste water was being dumped or injected into the ground. We oversee the monitoring and cleanup of contaminated water under the Hanford site.

The BEACH Program monitors 52 high-use, high-risk saltwater swimming beaches throughout the state. This is done in partnership with local and county agencies, tribal nations, and volunteers. BEACH ...

Find out more about how to report a spill. If you or your business caused a spill, you are required by law to report it. Please report all emergencies, including spills in water, by phone. Residents ...

We work in partnership with local clean air agencies and tribes to make sure we all have clean, healthy air to breathe. Local clean air agencies manage most of the air quality in Washington. Tribal ...

When food goes in the trash, so do resources, time, and money. Save on all three with small changes to your cooking and shopping habits. Get started today. Your food saving journey starts here. We’ve ...

Our Product Replacement Program is a cutting-edge, preventative program designed to identify and address the most problematic chemicals impacting the state. It provides: Reimbursement funding.

We rely on a variety of data sources to evaluate the state's current and future water supply. Explore some of these sources here.