Storage from official US gauges (USGS, USACE, Bureau of Reclamation, CDEC). Fill % uses design capacity from the National Inventory of Dams where available; a few sites without a match fall back to the 5-year maximum.

About reservoirs in New Mexico

As of October 8, 2026, the reservoirs we track across New Mexico that report live levels hold roughly 1,561 hm³ of water — about 24.9% of their combined capacity. Taken together, New Mexico's reservoirs are low.

Across the region, 7 reservoirs are at critically low levels and 2 are low. Nambe Falls Reservoir is the fullest at 95.8%, while Elephant Butte Reservoir is the lowest at 4.2%.

Over the most recent week on record, 5 reservoirs rose and 1 reservoir fell across New Mexico.

Storage figures for New Mexico come from USGS · USACE · BOR · CDEC; the most recent reading is from October 8, 2026. Each reservoir below links to its own page with full history and seasonal context.

New Mexico at a glance

Reservoirs tracked: 16
Average fill: 24.9%
Water stored: 1,561 hm³
Combined capacity: 6,268 hm³
At critically low levels: 7
Fullest: Nambe Falls Reservoir (95.8%)
Lowest: Elephant Butte Reservoir (4.2%)
Last updated: October 8, 2026

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