Ecology has a role in protecting water quality at forestry sites, and our analysis of the draft Forest Practices Board rule ...

Building on the success of the earlier Chehalis Basin Work Group, the 2016 Washington Legislature created the Office of Chehalis Basin within Ecology and established the Chehalis Basin Board. Our ...

The Weldcraft Steel & Marine site is one of 12 Bellingham Bay cleanup sites coordinated through the Bellingham Bay Action ...

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 ...

We use funds from the Volkswagen settlement to reduce air pollution in communities affected by harmful diesel exhaust. Washington will receive $141 million from Volkswagen to settle violations of the ...

Channel migration zones are areas in a floodplain where a stream or river channel can be expected to move naturally over time in response to gravity and topography. Water bodies such as rivers and ...

Water availability is directly related to how much annual precipitation the state receives. We monitor current water and snowpack supplies and future weather conditions so we can inform the public and ...

Rulemaking that has been officially filed with the Washington State Legislature’s Code Reviser’s Office (filed a CR-101 form) and are sorted by topic. Recently closed rulemakings. (closed rulemaking ...

A 2016 Washington State Supreme Court decision changed how counties decide to approve or deny building permits that use wells for a water source. In the Whatcom County vs. Hirst, Futurewise, et al.

The Salish Sea Model is a powerful computer tool that simulates hydrodynamic and water quality processes to improve our understanding of how nutrients affect water quality in Puget Sound, the Strait ...

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 ...

Projects funded by a Water Quality Program grant or loan require a review for potential impacts to environmental or cultural resources. We must consider social, cultural, economic, and environmental ...