Reservoir · New Mexico · United States · BOR RISE
Brantley Reservoir and Dam
21.6% full
Capacity
50.64 hm³
Volume stored
11 hm³
Coordinates
32.544°N, 104.381°W
Last updated
2026-07-28
Current fill
21.6%vs 7 days ago
-0.9%losing
vs 1 year ago
-34.9%year-over-year
7-day trend
→stable
Data source: BOR RISE — US Bureau of Reclamation — 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: 2026-07-28.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 32.544, -104.381 · Open in Google Maps
About Brantley Reservoir and Dam
As of July 28, 2026, Brantley Reservoir and Dam is filled to 21.6% of its total capacity, holding roughly 11 hm³ of water out of a maximum 51 hm³. At this level the reservoir is low.
Over the most recent week on record the fill level has held broadly steady (-0.9 pts), and it is 34.9 points below its level on the same date a year earlier.
Across the readings we hold for Brantley Reservoir and Dam — 1824 data points between July 31, 2021 and July 28, 2026 — the level has ranged from a low of 19.2% (August 16, 2022) to a high of 105.0% (August 14, 2021). On average the reservoir is fullest around March and at its lowest around July.
It is operated by BOR primarily for multiple purposes. It lies within the New Mexico basin at 32.544°N, 104.381°W.
Key facts
- Current fill level
- 21.6%
- Water stored
- 11 hm³
- Total capacity
- 51 hm³
- 7-day change
- ▼ 0.9 pts
- Year-on-year
- ▼ 34.9 pts
- Primary use
- Multipurpose
- River basin
- New Mexico
- Operator
- BOR
- Coordinates
- 32.544°N, 104.381°W
- Last updated
- July 28, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 28 Jul 2026 | 21.6% | 11 |
| 27 Jul 2026 | 22.5% | 11 |
| 26 Jul 2026 | 23.6% | 12 |
| 25 Jul 2026 | 24.4% | 12 |
| 24 Jul 2026 | 25.3% | 13 |
| 23 Jul 2026 | 26.3% | 13 |
| 22 Jul 2026 | 27.2% | 14 |
| 21 Jul 2026 | 27.2% | 14 |
| 20 Jul 2026 | 27.1% | 14 |
| 19 Jul 2026 | 27.3% | 14 |
| 18 Jul 2026 | 28.2% | 14 |
| 17 Jul 2026 | 29.2% | 15 |
Frequently asked questions
What is the current water level of Brantley Reservoir and Dam?
As of July 28, 2026, Brantley Reservoir and Dam is at 21.6% of its capacity, holding approximately 11 hm³ of water, according to BOR RISE (US Bureau of Reclamation) data.
Is Brantley Reservoir and Dam reservoir full?
No. As of July 28, 2026, Brantley Reservoir and Dam is low at 21.6% of its capacity, so it is not full.
Is the water level at Brantley Reservoir and Dam rising or falling?
The level at Brantley Reservoir and Dam has been broadly stable over the latest week on record (-0.9 points).
How much water can Brantley Reservoir and Dam hold?
Brantley Reservoir and Dam has a total capacity of 51 hm³.
Where is Brantley Reservoir and Dam reservoir located?
Brantley Reservoir and Dam is located in New Mexico, United States, within the New Mexico basin (coordinates 32.544°N, 104.381°W).
What is Brantley Reservoir and Dam used for?
Brantley Reservoir and Dam is used primarily for multiple purposes, and is managed by BOR.