Reservoir · New Mexico · United States · USACE CWMS
Santa Rosa Lake
17.5% full
Capacity
246.7 hm³
Volume stored
43 hm³
Vs month average
123% of normal
Coordinates
35.030°N, 104.692°W
Last updated
2026-10-14
Current fill
17.5%vs 7 days ago
+1.3%gaining
vs 1 year ago
-18.9%year-over-year
7-day trend
→stable
Drought context
Storage vs October average
123%of normal
17.5% full on 2026-10-14, against an average of 14.2% for October across 6 years of readings (+3.3 points).
Data source: USACE CWMS — US Army Corps of Engineers — daily reservoir storage volume. Capacity is the design (normal full-pool) capacity from the US National Inventory of Dams (NID); fill % = current volume ÷ design capacity. 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. 35.030, -104.692 · Open in Google Maps
About Santa Rosa Lake
As of October 14, 2026, Santa Rosa Lake is filled to 17.5% of its total capacity, holding roughly 43 hm³ of water out of a maximum 247 hm³. At this level the reservoir is critically low.
Over the most recent week on record the fill level has held broadly steady (+1.3 pts), and it is 18.9 points below its level on the same date a year earlier.
Across the readings we hold for Santa Rosa Lake — 1825 data points between October 16, 2021 and October 14, 2026 — the level has ranged from a low of 1.4% (June 30, 2022) to a high of 39.9% (June 20, 2023). On average the reservoir is fullest around June and at its lowest around September.
It is operated by USACE primarily for multiple purposes. It lies within the New Mexico basin at 35.030°N, 104.692°W.
Key facts
- Current fill level
- 17.5%
- Water stored
- 43 hm³
- Total capacity
- 247 hm³
- 7-day change
- ▲ 1.3 pts
- Year-on-year
- ▼ 18.9 pts
- Primary use
- Multipurpose
- River basin
- New Mexico
- Operator
- USACE
- Coordinates
- 35.030°N, 104.692°W
- Last updated
- October 14, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 14 Oct 2026 | 17.5% | 43 |
| 13 Oct 2026 | 17.4% | 43 |
| 12 Oct 2026 | 17.3% | 43 |
| 11 Oct 2026 | 17.2% | 42 |
| 10 Oct 2026 | 17.0% | 42 |
| 9 Oct 2026 | 16.8% | 42 |
| 8 Oct 2026 | 16.6% | 41 |
| 7 Oct 2026 | 16.2% | 40 |
| 6 Oct 2026 | 15.8% | 39 |
| 5 Oct 2026 | 15.2% | 37 |
| 4 Oct 2026 | 14.3% | 35 |
| 3 Oct 2026 | 13.0% | 32 |

