On a sunny July afternoon, Gov. Jay Inslee visited Tukwila Park to learn about our Washington Conservation Corps, one of the ...

As part of our ongoing effort to reduce exposure to PFAS in consumer products, we’re conducting a new rulemaking under the ...

SepticSmart Week is an annual event that occurs the third week of September, and is a great reminder to do a check up on your ...

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.

If your facility generates dangerous waste, you must follow label requirements properly. Labeling is one of the most common compliance violations and the easiest to avoid. Good labeling will keep your ...

An air permit is required for businesses and individuals that emit air pollution through industrial processes or burning. An air permit protects public health and the environment by requiring ...

The Washington Department of Ecology is proposing to adopt the federal water pollution limits intended to protect human health – formally adding the existing federal limits into state rules. This ...

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

Businesses that generate any amount of dangerous waste are responsible for this waste from cradle to grave. In Washington state, the Dangerous Waste Regulations determine what dangerous waste is, and ...

During the 2023 Legislative session, several bills were enacted related to the State Environmental Policy Act (SEPA). The following information identifies these bills and briefly explain the changes ...

Dangerous waste is typically taken to a permitted dangerous waste facility for treatment to make it less hazardous, non-hazardous, or easier or safer to transport. Under certain conditions, businesses ...

The Public Trust Doctrine is a legal principle derived from English common law. The Public Trust Doctrine protects public ownership interests in certain uses of navigable waters and underlying lands.