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State · United States · USGS · BOR · USACE · CDEC

New Mexico

25.7% average fill

Measured

27

Volume stored

2,800 hm³

Measured capacity

10,908 hm³

Critical

11

Low level

5

Below month average

8 of 27

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Drought Monitor · 20 October 2026

Weekly map · area in each category

Drought status

60.5%

of the area in drought (D1 or worse)

Worst category: D3 extreme drought

down 19.5 points on the week

D0 32.5%D1 28.9%D2 24.6%D3 7%D4 0%

Severe or worse (D2+)

31.6%

Extreme or worse (D3+)

7.0%

DSCI

1920–500

People in drought

1.5 million

Reservoirs (reservoirs.earth)

25.7% full27 tracked

Reservoirs on drought ground

17 of 2711 in D2 or worse

As of the 20 October 2026 U.S. Drought Monitor map, 60.5% of New Mexico was in drought (D1 or worse), with 7.0% in extreme or exceptional drought (D3–D4). The 27 reservoirs we track in New Mexico were 25.7% full on their latest readings. 17 of 27 tracked reservoir sites sit inside the drought area, 11 of them in severe drought (D2) or worse.

The Drought Monitor maps where conditions are dry this week — rainfall, soil moisture, streamflow — not how much water is stored. Reservoir storage lags it by months, so a region can be in drought with full reservoirs, or out of drought with empty ones. Source: droughtmonitor.unl.edu. The U.S. Drought Monitor is jointly produced by the National Drought Mitigation Center at the University of Nebraska-Lincoln, the United States Department of Agriculture, the National Oceanic and Atmospheric Administration and the National Aeronautics and Space Administration. Map courtesy of NDMC.

Reservoirs

Sorted by capacity

Elephant Butte Reservoir

critical
5.3%135 hm³View →

Updated 2026-10-28· 118% of month avg· D0

Elephant Butte Reservoir

critical
5.0%126 hm³View →

Updated 2026-10-26· 68% of month avg· D0

Navajo Reservoir

65.0%1,370 hm³View →

Updated 2026-10-26· 113% of month avg· D0

Griegos Acequia

critical
14.5%72 hm³View →

Updated 2026-10-28· 151% of month avg· D2

Heron Reservoir

critical
14.3%71 hm³View →

Updated 2026-10-26· 85% of month avg· D2

Conchas Lake

66.7%206 hm³View →

Updated 2026-10-27· 113% of month avg· D2

Caballo Reservoir

critical
11.1%32 hm³View →

Updated 2026-10-28· 105% of month avg· D0

Caballo Reservoir

critical
11.2%32 hm³View →

Updated 2026-10-26· 119% of month avg· D0

Ute Reservoir

84.2%231 hm³View →

Updated 2026-10-27· 103% of month avg· D2

Santa Rosa Lake

critical
19.0%47 hm³View →

Updated 2026-10-26· 128% of month avg· D2

Douglas Reservoir Outflow

critical
11.9%29 hm³View →

Updated 2026-10-28· 110% of month avg· D2

El Vado Lake

critical
12.6%30 hm³View →

Updated 2026-10-26· 233% of month avg· D2

Abiquiu Reservoir

87.8%184 hm³View →

Updated 2026-10-27· 125% of month avg· D2

Cochiti Lake

low
33.6%57 hm³View →

Updated 2026-10-27· 81% of month avg· D1

Eagle Nest Lake

low
25.9%26 hm³View →

Updated 2026-10-27· 71% of month avg· D3

Lake Sumner

low
21.8%17 hm³View →

Updated 2026-10-28· 161% of month avg· D1

Lake Sumner

low
20.5%16 hm³View →

Updated 2026-10-26· 142% of month avg· D1

Brantley Reservoir

97.9%50 hm³View →

Updated 2026-10-28· 116% of month avg· D0

Brantley Reservoir

92.9%47 hm³View →

Updated 2026-10-26· 156% of month avg· D0

Bluewater Lake

critical
8.4%4 hm³View →

Updated 2026-10-27· 51% of month avg· D0

Costilla Reservoir

critical
9.4%2 hm³View →

Updated 2026-10-27· 72% of month avg· D3

Lake Avalon nr Carlsbad

60.4%3 hm³View →

Updated 2026-10-28· 89% of month avg· D0

Avalon Reservoir

61.5%3 hm³View →

Updated 2026-10-26· 137% of month avg· D0

Lake Maloya

98.5%4 hm³View →

Updated 2026-10-27· 104% of month avg· D2

Nambe Falls Reservoir

46.5%2 hm³View →

Updated 2026-10-26· 116% of month avg· D1

McClure Reservoir

low
28.1%1 hm³View →

Updated 2026-10-27· 63% of month avg· D1

Nambe Falls Reservoir

95.3%2 hm³View →

Updated 2026-10-27· 120% of month avg· D1

Storage from official US gauges (USGS, USACE, Bureau of Reclamation, CDEC) and, in Texas, the Texas Water Development Board. Fill % uses design capacity from the National Inventory of Dams where available; Water Data for Texas lakes use that board's conservation capacity; a few sites without a match fall back to the 5-year maximum. "% of month avg" compares the current fill with the reservoir’s own average for this calendar month over its readings on record. D0–D4 is the U.S. Drought Monitor category of the ground at the reservoir’s coordinates on the latest weekly map — local conditions, not storage.

About reservoirs in New Mexico

As of October 28, 2026, the reservoirs we track across New Mexico that report live levels hold roughly 2,800 hm³ of water — about 25.7% of their combined capacity. Taken together, New Mexico's reservoirs are low.

Across the region, 11 reservoirs are at critically low levels and 5 are low. Lake Maloya is the fullest at 98.5%, while Elephant Butte Reservoir is the lowest at 5.0%.

Over the most recent week on record, 18 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 28, 2026. Each reservoir below links to its own page with full history and seasonal context.

New Mexico at a glance

Reservoirs tracked
27
Average fill
25.7%
Water stored
2,800 hm³
Combined capacity
10,908 hm³
At critically low levels
11
Fullest
Lake Maloya (98.5%)
Lowest
Elephant Butte Reservoir (5.0%)
Last updated
October 28, 2026
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