Low water levels likely to close boat ramps along Colorado River The Citizen 8 months ago Lake Powell is upstream of Lake Mead, Southern Nevada and Las Vegas’ main water source. Source: Google Alerts Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Share on Reddit (Opens in new window) Reddit Share on LinkedIn (Opens in new window) LinkedIn Lake Mead Water Shortage: Have Water Levels Risen? – NewsweekIn relation toTemple Bar MarinaLetter to the Editor: Lake Powell Pipeline pros and cons may be moot if there's no water source for itIn relation toTemple Bar MarinaWhat happens if Lake Powell runs out of water? – WKRGIn relation toTemple Bar Marina