We are studying the potential negative impacts of stand-alone, utility-scale battery energy storage systems in Washington — including ways to avoid, reduce or mitigate impacts. The study will not ...

Marine spatial planning is an integrated approach for managing human activities in the marine environment to ensure a resilient and healthy Pacific Ocean coast that supports sustainable economic, ...

The Public Trust Doctrine is a legal principle derived from English common law. The Public Trust Doctrine protects public ownership interests in certain uses of navigable waters and underlying lands.

Have a wetland-related question? Find our regional wetland and subject-specific wetland contacts.

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 ...

You can use the well construction and licensing system to search for: Notices of intent (NOIs) Licensed drillers Information for drillers (update your information and see continuing education units) ...

Spill management teams (SMTs) are representatives and assigned personnel trained to integrate into an incident command system or unified command system and manage an oil spill. Spill management teams ...

In the Pacific Northwest, planning for significant oil and hazardous spills is conducted through a three-state (Washington, Oregon, and Idaho) Northwest Area Contingency Plan (NWACP). The NWACP ...

See what we hope to accomplish in our strategic plan for protecting the state's wetlands. We're working across the state with Washington Tribes and agencies. This includes the state departments of ...

All marine waters along the Pacific Ocean and Puget Sound Streams and rivers with an annual mean flow of more than 20 cubic feet per second Lakes greater than 20 acres in size Shorelands adjacent to ...

Oil spill drills help response personnel understand the strengths and weaknesses of oil spill contingency plans, equipment, and procedures. Lessons learned from drills are used to improve contingency ...

Dangerous waste is typically taken to a permitted dangerous waste facility for treatment to make it less hazardous, non-hazardous, or easier or safer to transport. Under certain conditions, businesses ...