We update the surface water quality standards to incorporate the latest science and to meet our priorities and commitments regarding the standards. We use the rulemaking process to meet our priorities ...

Our mission is to keep Washington waters clean. Use this site to find out if a lake, stream, or marine beach near you is healthy or polluted. Learn about water cleanup plans and how we’re addressing ...

Rainwater collection, including the use of rain barrels, has become more popular as a supplemental source of water. In 2009, we issued a rainwater use interpretive policy, which clarifies that you may ...

Cleaning up contamination can mean removing contaminated material from the site and storing it in a special landfill, treating it until it’s no longer harmful, or isolating it so it can’t affect human ...

Waste tires are those no longer suitable for their intended purpose due to wear or damage. Accumulations of waste tires harbor mosquitos, snakes, and other vermin, which pose health risks, such as the ...

The refinery began operating in 1971 and has about 800 employees. The facility turns crude oil into a variety of petroleum products. At full production, BP is capable of processing approximately ...

Cover costs of environmental cleanup, if needed. Prevent taxpayers from bearing cleanup costs. Ensure that businesses do not pay twice to dispose of the same waste. All permitted dangerous waste ...

This facility makes precipitated calcium carbonate by reacting carbon dioxide with slaked lime. Wastewater from the process is sent to the Nippon Dynawave pulp and paper mill for treatment. The mill ...

Phases out the use of copper in vehicle brakes and requires manufacturers to certify that brakes comply with the law. Regulates lead, cadmium, phthalates, and other chemicals in children's products.

Your input is valuable to our decision-making process. We post water right documents for notice or comment. Documents posted for comment have a link to our online comment form. Other documents are ...

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 ...

Our team is made up of floodplain, coastal, shoreline, and wetland planning staff. We administer state and federal grants to improve and protect the environment. We oversee the rules and guidance for ...