The Wenatchee World

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Wanapum reservoir is headed back up as spillway repairs wind down

BEVERLY – Grant County PUD officials made an announcement Tuesday that marks the near-end of one of the utility’s greatest challenges in its 77-year history: Wanapum Dam’s cracked spillway is nearly fixed and the Columbia River behind it should be raised to its normal, operational level by month’s end.

Wanapum reservoir hits elevation target

BEVERLEY — The Columbia River behind Wanapum Dam hit its targeted 17-foot elevation increase 10 days ahead of schedule, but the shoreline remains closed, Grant County PUD officials said today.

Fish welcome:

Wanapum and Rock Island dams ready for spring chinook
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Fish ladders will cost $7 million

WENATCHEE — The thousands of spring chinook already headed up the Columbia River have no idea the amount of work they’ve mobilized at Rock Island and Wanapum dams.

Wanapum Dam investigation delayed by winds

BEVERLY — High winds, including gusts up to 70 mph, convinced Grant County PUD to halt its drilling tests on the fracture of Wanapum Dam until a safe platform to work from is built.

Private wells could also be affected

Private wells for irrigation or drinking water situated near the Columbia River could also be affected by the drawdowns behind Wanapum and Rock Island dams, state Department of Ecology officials say.

Speak out, learn more

The Chelan and Grant PUDs and state Department of Ecology begin outreach to learn about impacts to irrigators from low Columbia River levels.
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Low river making irrigators edgy

WENATCHEE — Orchardists from Orondo to Vantage who pull water from the Columbia River to sustain tens of thousands of acres of orchard have reason to be a little uneasy these days.
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Wanapum fallout: Power lost, fish migration at risk

WENATCHEE — A 26-foot drawdown of the Columbia River reservoir behind Wanapum Dam appears to have stabilized the broken spillway there, but it’s coming at the cost of lost power generation and regional concern about how to handle the upcoming salmon migration.