When was the last reservoir built in the US?
When was the last reservoir built in the US? Most were built in the 40s, 50s and 60s to prevent catastrophic local flooding. The last regional dam built, the New Melones Reservoir north of Sonora was completed in 1980, about 42 years ago.
What is the largest reservoir in the United States?
Lake Mead, Nevada Named after Bureau of Reclamation Commissioner Elwood Mead, Lake Mead is the largest reservoir in the United States, stretching 112 miles long with a total capacity of 28,255,000 acre-feet, a shoreline of 759 miles, and a maximum depth of 532 feet.