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Reservoir · New Mexico · United States · USACE CWMS

Conchas Lake

63.3% full

Capacity

308.33 hm³

Volume stored

195 hm³

Vs month average

112% of normal

Coordinates

35.403°N, 104.191°W

Last updated

2026-10-14

Current fill

63.3%
Normal

vs 7 days ago

+0.1%

gaining

vs 1 year ago

-34.0%

year-over-year

7-day trend

→

stable

Drought context

Storage vs October average

112%of normal

63.3% full on 2026-10-14, against an average of 56.3% for October across 6 years of readings (+7.0 points).

Data source: USACE CWMS — US Army Corps of Engineers — daily reservoir storage volume. Design capacity is unavailable for this site, so fill % is estimated against the 5-year maximum storage and may overstate fullness. Last reading: 2026-10-14.

Catchment Weather

Past 30 days + 14-day forecast · Open-Meteo

Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 35.403, -104.191 · Open in Google Maps

About Conchas Lake

As of October 14, 2026, Conchas Lake is filled to 63.3% of its total capacity, holding roughly 195 hm³ of water out of a maximum 308 hm³. At this level the reservoir is within its normal operating range.

Over the most recent week on record the fill level has held broadly steady (+0.1 pts), and it is 34.0 points below its level on the same date a year earlier.

Across the readings we hold for Conchas Lake — 1825 data points between October 16, 2021 and October 14, 2026 — the level has ranged from a low of 28.1% (July 8, 2022) to a high of 100.0% (September 8, 2025). On average the reservoir is fullest around June and at its lowest around April.

It is operated by USACE primarily for multiple purposes. It lies within the New Mexico basin at 35.403°N, 104.191°W.

Key facts

Current fill level
63.3%
Water stored
195 hm³
Total capacity
308 hm³
7-day change
▲ 0.1 pts
Year-on-year
▼ 34.0 pts
Primary use
Multipurpose
River basin
New Mexico
Operator
USACE
Coordinates
35.403°N, 104.191°W
Last updated
October 14, 2026

Recent readings

DateFill levelVolume (hm³)
14 Oct 202663.3%195
13 Oct 202663.4%195
12 Oct 202663.4%195
11 Oct 202663.3%195
10 Oct 202663.3%195
9 Oct 202663.3%195
8 Oct 202663.3%195
7 Oct 202663.2%195
6 Oct 202663.0%194
5 Oct 202662.8%194
4 Oct 202662.4%193
3 Oct 202661.8%191

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