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Crews at Glen Canyon Dam have completed a new water intake connection to accommodate record-low levels at Lake Powell.
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The Grand Canyon won’t see a beach-building flood this fall for the fourth year in a row. KNAU’s Melissa Sevigny reports, river managers point to unprecedented low levels in Lake Powell.
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The Grand Canyon is a haven for native fish. But that’s now threatened by smallmouth bass, an exotic fish that eats native species and has recently escaped through Glen Canyon Dam. Scientists say a shock of cold water released through the dam might help keep their numbers down. KNAU’s Melissa Sevigny spoke with fish biologist Drew Eppehimer about the tradeoffs involved.
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The drought in the Southwest has bottomed out major reservoirs on the Colorado River and raised alarms among cities and farms that rely on the water. But it’s also a threat to the environment in one of the world’s most recognizable wonders: the Grand Canyon. As KNAU’s Melissa Sevigny reports, a longstanding program of artificial floods to save the canyon’s beaches now faces an uncertain future.
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The National Park Service says invasive smallmouth bass have been found in the mainstem Colorado River below the Glen Canyon dam. The announcement comes as lake levels drop to unprecedented lows.
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Humpback chub in the Grand Canyon have flourished under long-running restoration efforts. But now, exotic fish that prey on chub and other native fish have begun to slip through Glen Canyon Dam. It’s an unprecedented problem caused by the drought-stricken low levels of Lake Powell. KNAU’s Melissa Sevigny spoke with National Park Service fisheries biologist Melissa Trammell about her concerns.
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The U.S. Bureau of Reclamation forecasts a 23 percent chance that power production could cease at Glen Canyon Dam in 2024 due to low water levels. KNAU’s Melissa Sevigny reports on how that might affect energy consumers in the West.
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A key fish that has lived in the Colorado River for millennia, and whose presence indicates a healthy river, is now up against a threat from a giant dam above.
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The U.S. Bureau of Reclamation projects that in 2024 the water level in Lake Powell could drop below the intakes that serve the City of Page and the LeChee Chapter of the Navajo Nation. The federal agency has announced short term measures to prop up the reservoir, which is threatened by drought and climate change. But the City of Page is thinking ahead to longer-term solutions. KNAU’s Melissa Sevigny spoke with Bryan Hill of Page Utility Enterprise, the city’s power and water utility.
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The U.S. Bureau of Reclamation has announced what its water managers call “urgent, extraordinary actions” to prop up Lake Powell’s plummeting elevation. KNAU’s Melissa Sevigny reports.