Water

AQUATIC LANDS CLEANUP (SEDIMENT MANAGEMENT)

Sites | Standards | Chemical Criteria | SEDQUAL Database | Contacts | More

ENVIRONMENTAL ASSESSMENT

Freshwater | Groundwater | Laboratory Accreditation | Manchester Laboratory | Modeling the Environment | Puget Sound and Coastal | Quality Assurance | Toxics Monitoring | EAP Data

SHORELANDS & ENVIRONMENTAL ASSISTANCE

Environmental Programs | Regulatory Assistance | Education & Training | Grants | Publications | Wetlands

SPILL PREVENTION, PREPAREDNESS, AND RESPONSE

Report a Spill | General Spills Information | When Spills Happen | Community Outreach | Technical Assistance for Industry | Incidents | Publications

WATER QUALITY

General Info | Aquatic Plants & Lakes | Grants & Loans | Nonpoint Pollution | Point Source/Permits | Stormwater | Water Reclamation | Assessment/TMDLs | Standards/Monitoring

WATER RESOURCES

Columbia River Water Management Program | Conservancy Boards | Dam Safety | Instream Flows | Laws and Rules | Measuring Water Use | Water Rights | Water Supply Info | Wells

WATERSHED PLANNING

Watershed Planning Information by Watershed | Watershed Planning Activities Status Map | Watershed Leads Contact List

Feature

WASHINGTON WATERS - OURS TO PROTECT

Clean water campaign to help people change behaviors that pollute Washington's lakes, rivers, wetlands and marine waters.

Spotlight

Puget Sound PUGET SOUND

Reaching the goal of a healthy, sustainable Puget Sound, now and forever.

Columbia River COLUMBIA RIVER

Developing water supplies to benefit both in-stream and out-of-stream uses.

Spokane River SPOKANE RIVER

How Ecology and the community are working together to restore and protect the River.

MITIGATION THAT WORKS

Countering the negative environmental impacts that developing the land can have on wetlands, rivers, streams, lakes, and other deep-water habitats.

CAR WASHING AND STORMWATER PERMITS

You can wash your car and also keep our waters clean, by preventing soaps and detergents from going down the storm drain.

HEALTHY WATERSHEDS, HEALTHY PEOPLE

Our future is linked to the health of our watersheds – and our watersheds have many challenges. You can make a difference.

CLIMATE CHANGE