River flows as of August 22

Cowlitz River below Mayfield Dam - 5,570 cubic feet per second

Nisqually River below LaGrande Dam - 1,020 cubic feet per second

Wynoochee River above Black Creek - 115 cubic feet per second

Wynoochee River at Grisdale - 230 cubic feet per second

Green River at Palmer (Tacoma Water's headworks) - 173 cubic feet per second

North Fork Skokomish River below Cushman Dam No. 2 - 165 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 August 22

Riffe Lake - 739.1 feet of elevation (maximum of 749 feet)
Learn about changes to Riffe Lake levels in 2017.
  • Mossyrock Park boat launch is usable (two lanes are open; one usable to 723 feet; the other to 737 feet).
  • Taidnapam North boat launch is usable (has two lanes and a dock servicing elevations down to 720 feet).
  • Kosmos boat launch and parking lot are closed
  • Taidnapam Park boat launch is closed

Alder Lake - 1,193.6 ft of elevation (maximum of 1,207 feet)

A burn ban is in effect for Alder Lake Park.  No campfires or charcoal us allowed due to an air quality burn ban. Only liquid and pressurized gas stoves may be used at this time. For details: https://fortress.wa.gov/dnr/protection/firedanger/

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 - 736.47 feet elevation (maximum of 738 feet)
  • Skokomish Park at Lake Cushman boat launch is open.
  • Lake Cushman Resort boat launch is open Memorial Day weekend through Labor Day weekend from 9 a.m. to 7 p.m. provided the lake elevation is at least 734'. Visually check launch conditions before launching.
Wynoochee Lake - 788.95 feet elevation (maximum of 800 feet)

Coho Campground is open.

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

Get current campfire rules on the Parks & Recreation homepage.