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Tag: dworshak flows
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  • 22-047 Dworshak Dam to decrease outflow over next several days

    AHSAHKA, Idaho – Flows are receding in the Clearwater Basin, including the North Fork of the Clearwater above Dworshak. Due to receding flows Dworshak will be reducing outflow to minimize overall mainstem flow in the Clearwater, reduce Total Dissolved Gas (TDG), and start the final fill process for recreation.
  • 22-044 Dworshak Dam to Increase to 25,000 cubic feet per second due to heavy rain and snowmelt

    AHSAHKA, Idaho – Dworshak Dam is currently releasing approximately 20,200 cubic feet per second (cfs) and will be increasing outflow to 25,000 cfs over the afternoon of Sunday June 12, 2022.
  • 22-033 Dworshak Dam releases to increase to balance refill with remaining snowpack

    AHSAHKA, Idaho – Dworshak Dam will be slowly increasing releases this week from 5,600 cubic feet per second (cfs) to the approximate range of 7,500 cfs. Operations at Dworshak will change the height of the Clearwater River downstream of the dam by less than a foot, gradually, across a one-day period.
  • 22-007 Dworshak Dam releases to fluctuate between 6,100 and 8,500 cfs in first week of February

    AHSAHKA, Idaho –Dworshak Dam will continue drafting to meet flood control targets through the end of January. Releases are expected to remain between 6,100 and 7,700 cubic feet per second (cfs) through the end of the month.
  • 21-059 Dworshak Dam releases to fluctuate between 1,600 and 6,000 cfs in November

    AHSAHKA, Idaho –Dworshak Dam releases will remain at 1,600 cubic feet per second (cfs) through Nov. 14 as the reservoir continues its winter fill. The current reservoir elevation is approximately 1,518 feet and the maximum allowable elevation by the end of December is approximately 1,559 feet.
  • 21-034 Dworshak Dam updates their release schedule for flow augmentation

    AHSAHKA, Idaho – Due to an intensifying regional heatwave, Dworshak Dam will be further increasing their releases to support flow augmentation intended to keep the tailwater of Lower Granite at or below 68° F.
  • 21-033 Dworshak Dam to increase releases for flow augmentation

    AHSAHKA, Idaho – Dworshak Dam releases will increase from 1,500 cubic feet per second (cfs) on Tuesday to the maximum powerhouse capacity of 9,400 cfs by Thursday night. The river will rise approximately 0.5 feet during the flow changes Tuesday night. The river level is then expected to remain in the same range through the end of the week. This increase in releases is being made to support flow augmentation intended to keep the tailwater of Lower Granite at or below 68° F.
  • 21-032 Dworshak Dam continues to refill as flow augmentation season approaches

    AHSAHKA, Idaho –Dworshak Dam releases will remain at 1,600 cubic feet per second (cfs) as the reservoir continues to refill throughout the month. This operation is intended to capture as much water as possible before the start of flow augmentation.
  • 21-030 Dworshak Dam reservoir continues to refill

    AHSAHKA, Idaho –Dworshak Dam releases will remain at 1,600 cubic feet per second (cfs) through mid-June as the reservoir continues to refill. The reservoir elevation will reach approximately 1,580 feet, 20 feet from full pool, on Memorial Day weekend. Water managers will release another announcement regarding Dworshak operations before Father’s Day weekend.
  • 21-027 Dworshak Dam reservoir continues to refill

    AHSAHKA, Idaho –Dworshak Dam will continue minimum releases of 1,600 cubic feet per second (cfs) as the reservoir refills. Discharges are expected to remain at 1,600 cfs until the last week of May. Water managers will release another announcement regarding Dworshak operations before Memorial Day.