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302 search results for: Lake Mead

14

In Colorado River Basin, Groundwater Is Disappearing Much Faster than Lake Mead

Groundwater losses during historic drought equal one and a half times the volume of a full Lake Mead. By Brett Walton, Circle of Blue The mineral-stained canyon walls and the plunging water levels at Lake Mead, the nation’s largest reservoir, are the most visible signs of the driest 14-year period in the Colorado River Basin’s […]

16

Federal Water Tap, July 7: Algae Research, Lake Mead, Hydropower

President Obama signed legislation that authorizes $US 82 million over four years for researching and responding to harmful algae blooms. A federal task force, led by the National Oceanic and Atmospheric Administration, must prepare a plan within two years for reducing algae blooms in the Great Lakes. An existing task force must file a progress […]

17

Lake Mead Drains to Record Low As Western Drought Deepens

Despite drying conditions, four states plan additional water projects. By Brett Walton, Circle of Blue Lake Mead — America’s largest reservoir, Las Vegas’ main water source, and an important indicator for water supplies in the Southwest — will fall this week to its lowest level since 1937 when the manmade lake was first being filled, […]

21

Lake Mead, the American Southwest, and water: an interview with Tim Barnett

In an interview with Circle of Blue, Tim Barnett discuses the falling levels in Lake Mead and the potential impact it could have on the American Southwest. Reviewing the reservoir’s state and outlook, he highlights the potential economic, environmental, and social impacts of declining water levels. Barnett is a research marine geophysicist in the Climate […]

23

Federal Water Tap, April 18: ‘Profound Concerns’ With Lake Powell Prompt Feds To Consider More Colorado River Cutbacks

The Rundown The Interior Department notifies Colorado River states that it might hold back more water in Lake Powell this year. Reclamation’s Klamath River basin irrigation allocation pleases no one. The USGS investigates groundwater depletion in southeastern Oregon due to irrigation and maps groundwater levels in New Mexico. The Bureau of Reclamation limits irrigation allocations […]

24

The Stream, June 4, 2021: Oxygen Levels In Global Lakes Are Declining Due to Rising Temperatures

YOUR GLOBAL RUNDOWN A new study found oxygen levels in global lakes are declining, threatening the environment and drinking water supplies. Transportation of goods on Brazil’s Tiete-Parana waterway will be harmed by prolonged drought. A mining group in Chile will pay over $93 million in reparations for environmental violations on the Punta Negra salt flat. […]