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Our lobby will be closed to the public until further notice. For payment plans and assistance, call us at 253-502-8600. More info at MyTPU.org/COVID19.

River Flows & Lake Levels

River flows as of Apr. 3

Please note: As of March 25, all Tacoma Power boat launches, parks, day-use areas, wildlife lands, and the Peterman Hill Trail are closed, in accordance with Governor Inslee’s Stay Home/Stay Healthy proclamation.

Cowlitz River below Mayfield Dam – about 5,040 cubic feet per second (cfs)
Mayfield flow forecast: We plan to stay at the current discharge through the weekend, and until next week’s fish transport flow.

Nisqually River below LaGrande Dam – 1,040 cfs

Wynoochee River above Black Creek – 1,110 cfs

Wynoochee River at Grisdale – 216 cfs

Green River at Palmer (Tacoma Water’s headworks) – 725 cfs

North Fork Skokomish River below Cushman Dam No. 2 – 251 cfs

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 Apr. 3

6lease note: As of March 25, all Tacoma Power boat launches, day-use areas, wildlife lands, and the Peterman Hill Trail are closed, in accordance with Governor Inslee’s Stay Home/Stay Healthy proclamation.

Please see the Tacoma Power Parks – COVID-19 update below.

Riffe Lake – 724.73 feet of elevation (maximum of approx. 749 ft)
Learn about changes to Riffe Lake levels.
Mossyrock Park boat launch is closed.
Taidnapam North boat launch is closed.
Kosmos boat launch and parking lot are closed.
Taidnapam Park boat launch is closed.
Mossyrock Park swim area is closed.

Alder Lake – 1,192.61 feet of elevation (maximum of 1,207 ft)
Alder Lake Park boat launch is closed. (Please note the moorage dock is closed until further notice.)
Rocky Point boat launch is closed.
Stacel Point swim area is closed.
Sunny Beach Point swim area is closed.

Mayfield Lake – may fluctuate 4 feet weekly, between 421 and 425 feet of elevation (maximum of 425 ft)
Mayfield Lake Park boat launch is closed.

Lake Cushman – 726.02 feet of elevation (maximum of 738 ft)
The Lake Kokanee boat launch is closed.

Wynoochee Lake –  780.62 feet of elevation (maximum of 800 ft)
The day-use area is closed.

Coho Campground is closed; the boat launch is closed.

Tacoma Power Parks – COVID-19 Update
Tacoma Power Parks are following the guidance provided by the governor and public health officials in responding to COVID-19. We recognize that this is a stressful time for many, and want to reassure you that your health, as well as the health of our employees and community members, remains a top priority.

Updates as of March 25

  • Tacoma Power Parks are closed, including boat launches and day-use areas.
  • Campgrounds are closed through April 30.
  • We are not accepting new group or kitchen shelter reservations through June 30.
  • We are still accepting individual campsite reservations with arrival dates of May 15 or later.
  • Standard cancellation and change policies remain in effect at this time for all existing campsite reservations with arrival dates of May 15 or later.

If you have questions about campsite reservations, please call 833-290-8180 or visit https://tacomapower.goingtocamp.com/contact. If you have general questions about our parks, please email tacomapowerparks@cityoftacoma.org.

Get current campfire rules on the Parks & Recreation homepage.

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