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

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 River Basin Water Enhancement Project Workgroup, a stakeholder group co-chaired by us and the U.S. Bureau of Reclamation, provides policy and project development advice on implementing the ...

The following templates are based on applicable SEPA rule sections and other guidance materials. Lead agencies are encouraged to modify these templates for their own use and add information for ...

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

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.

Find a moderate risk 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 with ...

Non-project actions are governmental actions involving decisions about policies, plans, or programs containing standards for controlling use or modifying the environment, or will govern a series of ...

We improve and protect water quality, manage and conserve water resources, and effectively manage coastal and inland shorelines to assure our state has sufficient supplies of clean water for ...

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 ...

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 ...