The Industrial Stormwater eCoverage Packet outlines your responsibilities and requirements once you are covered under the Industrial Stormwater General Permit (ISGP). We are currently in the process ...

A smoke plume from the Little Giant Fire in Chelan County. While some localized smoke impacts from fires in the Cascades are still lingering, recent wet and cool weather has helped wind down this ...

Restored streamflows, improved habitats and protected rivers are in the works for communities around the state thanks to $40 million in streamflow restoration grants from the Washington Department of ...

A conceptual rendering of the Deschutes Estuary Restoration Project. The project will transform Capitol Lake into a thriving estuary habitat with environmental, social, and economic benefits. A new ...

Our Southwest Region (SWRO) includes Clallam, Clark, Cowlitz, Grays Harbor, Jefferson, Lewis, Mason, Pacific, Pierce, Skamania, Thurston, and Wahkiakum counties ...

Our dam safety work is governed by the Revised Code of Washington (RCW) and Washington Administrative Code (WAC). Policies are used to ensure consistency in the administration of laws and regulations.

Our Northwest Region (NWRO) includes Island, King, Kitsap, San Juan, Skagit, Snohomish, and Whatcom counties. About two-thirds of the state’s population lives in the Puget Sound region. Our nation’s ...

The following list contains all of the Dam Safety Office applications, forms, and templates.

The comment period for the Tacoma locally initiated amendment is now closed. We held a public comment period on Tacoma's proposed locally initiated amendment to their shoreline master program (SMP).

Every five years, the Office of Columbia River submits an updated long-term water supply and demand forecast to the Legislature. The Draft 2026 Columbia River Basin Long-term Water Supply and Demand ...

Thirty-seven percent of the dams we regulate are considered "high hazard" or "significant hazard" because they are located above populated areas. We generally do not regulate hydroelectric project ...

We are seeking public comment on Whatcom County's proposed amendment to its Shoreline Master Program (SMP). The public comment period will run from Oct. 28 to Nov. 27, 2019, at 5 p.m. The ...