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Yucca Mountain, located approximately 70 miles northwest of Las
Vegas, sits within the hydrographic basin. It is being studied by
the U.S. Department of Energy for long-term storage of radioactive
materials.
According to a study by the U.S.
Geologic Survey (USGS), groundwater flowing from that basin
travels away from the Las Vegas Valley. The rate of flow for groundwater
in that area is very slow—it takes hundreds of years for the
groundwater to travel a mile.
Because the water flows away from Las Vegas, it
poses no threat to the Las Vegas Valley's groundwater supply.
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