History
History
The full record behind the history guides, year by year.
Data through Oct 15, 2026 · updated Oct 16, 2026
Elephant Butte Reservoir water level history
Year-end, low and high water surface at Elephant Butte Dam since 1915, from Reclamation's daily record
4,295.96 ft above sea level · Oct 15, 2026
Lake Mead water level history
Year-end, low and high water surface at Hoover Dam since 1935, from Reclamation's daily record
1,037.53 ft above sea level · Oct 15, 2026