The Refrigerant Management Program is part of a suite of climate policies that work together to cut carbon pollution and ...

It’s been a busy few months for our Washington Conservation Corps members, and we're excited to share some project highlights ...

These forms are the first step in a legal process called adjudication. This process will determine who has a right to use ...

Join us virtually on March 17, 2025, to learn more about our agency’s efforts in developing a strategy to achieve healthy ...

Our aquatic plant specialist explains the differences between invasive and native milfoils, why native milfoils are important ...

The Yakima Basin has had back-to-back droughts in 2023 and 2024. Heading into irrigation season, we are getting a better idea ...

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 ...

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 ...

Treated wood is a dangerous waste. Businesses that handle treated wood waste — most commonly construction and demolition sites — can often manage these materials according to exemptions to the ...

The Hanford Site is one of the biggest and most complex environmental cleanup sites in the world. Its cleanup will continue until at least the 2070s. Cleanup requires first of its kind technologies ...

We issue burn permits for agricultural, outdoor, and residential burning to protect healthy air in Washington. The type and location of burning you are planning will determine if you need a permit.