Notice: Due to a cut network fiber, Ecology is experiencing phone & internet interruptions across the state.
Aerial view of the San Juan Islands
We're proud to protect, preserve, and enhance Washington's environment for current and future generations.
Notice: All Ecology offices remain closed to walk-in service due to COVID-19.
Statewide general permit for biosolids management - comment on our draft document governing biosolids operations
Oily water sewer cleanup permits - comment on requirements for investigating oily water sewers at refineries