Low water levels likely to close boat ramps along Colorado River The Citizen 11 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