The Department of Health recommends private well owners test their drinking water every year for coliform bacteria and nitrate. These two contaminates can rapidly affect a person’s health — possibly ...

Everyone deserves clean air to breathe and a sustainable future that responds to challenges presented by climate change. To reach these goals, we regulate harmful emissions from vehicles, burning, and ...

We are managing the cleanup of 12 sites in the Bellingham Bay area. All are on or near the waterfront. Two sites have been completely cleaned up, and we are monitoring them to make sure they continue ...

Ecology, local clean air agencies, and Tribes can restrict indoor and outdoor burning under certain conditions. Air quality burn bans protect people when the air is unhealthy. Fire safety burn bans ...

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.

Our Underground Storage Tank (UST) program is one of the largest pollution prevention programs at Ecology. Every year, just over 3 billion gallons of fuel are stored underground. We inspect tank ...

Public comments are accepted over a 30-, 45-, or 60-day period. During that time, you can share your input with us about specific changes in the permits we regulate. We review all comments and then ...

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 ...

We enforce Washington's regulations on toxic chemicals in products, educate the public about these chemicals, and develop policies to reduce or eliminate the use of toxic chemicals whenever possible.

Find a household hazardous waste disposal site in your county. Accepts: Household hazardous waste. Does not accept wastes from business unless it is a scheduled small business collection event. Check ...

The refinery began operating in 1954 and has about 285 employees and 200 contractors that work on the site. The facility processes crude oil into a variety of petroleum products. At full production, ...

Every five years, states and U.S. territories with marine shorelines must review their Coastal Zone Management programs to identify priority needs and improvement opportunities. Then state and ...