Reservoir · New Mexico · United States · BOR RISE
Avalon Reservoir
Avalon Reservoir and Dam
79.6% full
Capacity
5.35 hm³
Volume stored
4 hm³
Coordinates
32.491°N, 104.252°W
Last updated
2026-09-09
Current fill
79.6%vs 7 days ago
+5.0%gaining
vs 1 year ago
+24.6%year-over-year
7-day trend
↑rising
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: 2026-09-09.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 32.491, -104.252 · Open in Google Maps
About Avalon Reservoir
As of September 9, 2026, Avalon Reservoir is filled to 79.6% of its total capacity, holding roughly 4 hm³ of water out of a maximum 5 hm³. At this level the reservoir is within its normal operating range.
Over the most recent week on record the fill level has risen by 5.0 percentage points, and it is 24.6 points above its level on the same date a year earlier.
Across the readings we hold for Avalon Reservoir — 1705 data points between September 12, 2021 and September 9, 2026 — the level has ranged from a low of 0.0% (November 4, 2022) to a high of 105.0% (April 2, 2026). On average the reservoir is fullest around February and at its lowest around November.
It is operated by BOR primarily for multiple purposes. It lies within the New Mexico basin at 32.491°N, 104.252°W.
Key facts
- Current fill level
- 79.6%
- Water stored
- 4 hm³
- Total capacity
- 5 hm³
- 7-day change
- ▲ 5.0 pts
- Year-on-year
- ▲ 24.6 pts
- Primary use
- Multipurpose
- River basin
- New Mexico
- Operator
- BOR
- Coordinates
- 32.491°N, 104.252°W
- Last updated
- September 9, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 9 Sep 2026 | 79.6% | 4 |
| 8 Sep 2026 | 79.3% | 4 |
| 7 Sep 2026 | 77.8% | 4 |
| 6 Sep 2026 | 76.4% | 4 |
| 5 Sep 2026 | 75.0% | 4 |
| 4 Sep 2026 | 73.8% | 4 |
| 3 Sep 2026 | 73.5% | 4 |
| 2 Sep 2026 | 74.6% | 4 |
| 1 Sep 2026 | 75.7% | 4 |
| 31 Aug 2026 | 77.9% | 4 |
| 30 Aug 2026 | 77.8% | 4 |
| 29 Aug 2026 | 77.2% | 4 |