River flows as of March 30

Cowlitz River below Mayfield Dam - 14,500 cubic feet per second

Nisqually River below LaGrande Dam -3,660 cubic feet per second

Wynoochee River above Black Creek - 6,940 cubic feet per second

Wynoochee River at Grisdale - 1,780 cubic feet per second

Green River at Palmer (Tacoma Water's headworks) - 2,820 cubic feet per second

North Fork Skokomish River below Cushman Dam No. 2 - 231 cubic feet per second 

Check out water safety resources. River flows can change at any time.

Subscribe to available Water Alerts provided by the US Geological Survey.

Lake levels and boat launches as of March 30

Riffe Lake - 749.2 feet of elevation (maximum of 778 feet)
Learn about changes to Riffe Lake levels in 2017.
  • Mossyrock Park boat launch is usable.
  • Taidnapam North boat launch is usable.
  • Kosmos boat launch and parking lot are closed
  • Taidnapam Park boat launch is closed

Alder Lake - 1,204.4 ft of elevation (maximum of 1,207 feet)

Mayfield Lake - may fluctuate 4 feet weekly, between 421 and 425 feet of elevation (maximum of 425 feet)
  • Mayfield Lake Park boat launch - normally usable for medium-sized watercraft
  • Visually check launch conditions before launching

Lake Cushman - 729 ft elevation (maximum of 738 feet)
Wynoochee Lake - 778.7 ft elevation (maximum of 800 feet)

To hear this information as a recording, call 1-888-502-8690.

Get current campfire rules on the Parks & Recreation homepage.