Elephant Butte Water Level
New Mexico's largest reservoir, on the Rio Grande. Not part of the Colorado River system; shown for regional context because it supplies southern New Mexico, El Paso, and Mexico under the Rio Grande Compact.
USBR daily reading for Oct 24, 2026
- PERCENT FULL
- 4.9%
- 7-DAY CHANGE
- +0.2 pts
- ELEVATION
- n/a
- ACRE-FEET
- 99.5K
- of 2.02M capacity
- GALLONS
- 32.41B
- of 659.71B
Trend
- 7 days
- +0.2 pts
- vs. the reading a week earlier
- 1 year
- +1.5 pts
- vs. end of Sep 2025 (3.4%)
- 10-year low
- 1.3%
- end of Jul 2026
- 10-year high
- 30.1%
- end of Feb 2020
Yearly figures and the high/low compare end-of-month storage from Reclamation's monthly series with the latest daily reading. This site does not project future levels; for official 24-month projections see Reclamation's 24-Month Study. How each figure is derived is explained in the FAQ.
10-Year Historical Trend
End-of-month storage as a percent of capacity. Source: U.S. Bureau of Reclamation. Dashed lines are this site's warning (40%) and critical (20%) marks.
About Elephant Butte
Elephant Butte is on the Rio Grande in NM. Reclamation's capacity figure for it is 2,024,586 acre-feet (total capacity, 2007 survey), about 659.71B gallons.
New Mexico's largest reservoir, on the Rio Grande. Not part of the Colorado River system; shown for regional context because it supplies southern New Mexico, El Paso, and Mexico under the Rio Grande Compact.
As of Oct 24, 2026, the reservoir held 99,467 acre-feet, 4.9% of capacity, up 0.2 pts from the reading seven days earlier. Storage figures are U.S. Bureau of Reclamation daily readings; recent values are provisional and may be revised.
Weekly email digest
Every Monday: Elephant Butte and the rest of the system, with the week's change. One email a week, unsubscribe any time.