Drying Lake Mead could trigger federal water shortage by 2020 By Susan McFarland UPI Aug. 16 (UPI) — Nevada’s Lake Mead, the largest reservoir in the West, could fall below a critical threshold in just two years if a new forecast by the Bureau of Reclamation is correct. A report Wednesday said there is a 52 … Continue reading Drying Lake Mead could trigger federal water shortage by 2020