User:FrnkOshn/sandbox: Difference between revisions – Wikipedia

Southern Nevada‘s water security has become an increasing concern with locals among rising populations and decreasing water levels. The region’s desert environment leads to frequent and long droughts along with common dry spells. Combined with a growing population in the region^[1], water has never before been so valuable to the valley. Data from recent years shows Southern Nevada’s water levels have reached historic lows^[2], bringing to question the future of water security for Southern Nevada residents.

Southern Nevada’s water supply comes from the Colorado River and groundwater.^[3]

90% of the water comes from the Colorado River. When snowfall melts from the Rocky Mountains, it flows into the Colorado River and subsequently flows into Lake Mead, which is contained by the Hoover Dam. Around 7-9 million acre-feet of water is supplied annually to the lake from the Colorado River.^[3] However, the Hoover Dam also supplies water to Arizona, California, and Mexico, in addition to Nevada. ^[4] Of the total water supplied to lake mead, only 300,000 acre-feet goes to Nevada.^[3]

Underground water reservoirs make up the remaining 10% of the water supply. These water reservoirs are filled by precipitation and supply a total of 46,961 acre-feet of water. ^[3]

Since the 1980’s, the Colorado River has been experiencing rising temperatures and declines in precipitation and runoff, which worsen year by year, causing reduced water levels.^[5] Since 2021, the Colorado River has been declared by the government to be in a “Tier 1 Shortage” and will continue in this state in 2026.^[6][7] Tier 1 Shortages mean mandatory restrictions on water supplies from the river, which for Nevada means .

Of the 300,000 acre-feet supplied to Southern Nevada by the Colorado River, only about [] are used. The water supply of Southern Nevada is used by residents to

Southern Nevada Water Authority regulates the usage of water in the region.

-Restrictions on water usage (watering lawns, pools, etc.)

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