We offer some flexible options to submit data, apply for permits, or file reports. For instance, contractors can apply online for a construction stormwater permit, or a plant operator can file ...

The Mint Farm began operating in 2007. Owned by Puget Sound Energy, it uses natural gas to produce up to 311 megawatts of electricity. Exhaust from turbines at the plant produces steam. This facility ...

We work to safely manage solid, hazardous, and nuclear waste and reduce toxic chemicals in the products you use. We regulate the threats found in everyday household products and help businesses ...

We maintain the spatial datasets described here in order to better describe Washington's diverse natural and cultural environments. As a public service, we have made some of our data available for ...

This index identifies the sections of the SEPA rules and statute that provide information about a specific topic. Selecting a letter in the alphabetical list below will take you to that part of the ...

The Washington state well report (log) viewer, our most popular online resource, allows you to search for and view detailed records of the construction and subsurface characteristics of individual ...

Ecology, local clean air agencies, and Tribes can restrict indoor and outdoor burning under certain conditions. Fire safety burn bans protect people and property when wildfire danger is high. Air ...

We estimate there are thousands of abandoned wells in Washington. If you find an abandoned well on your property, you are required to work with a licensed well driller to properly close it up, a ...

If you are a used oil processor or re-refiner, there are rules and requirements you need to follow. Learn about permits, site identification numbers, and other resources to help you properly handle ...

Submit an observation form to report any violation of the state plastic bag ban you have observed. Plastic bags are a major contaminant in Washington’s recycling facilities, waterways, roadways, and ...

We maintain a network of stream-gaging stations that report streamflow conditions in rivers and streams across the state. The information is used to monitor flow conditions for water supplies for ...

Will Ecology adopt the universal waste aerosol cans rule? At this time, we have not adopted the Environmental Protection Agency’s (EPA) rules for universal waste aerosol cans. Businesses must continue ...