Reservoir · Colorado · United States · BOR RISE
Vallecito Reservoir and Dam
46.7% full
Capacity
159.98 hm³
Volume stored
75 hm³
Coordinates
37.390°N, 107.556°W
Last updated
2026-07-28
Current fill
46.7%vs 7 days ago
-0.6%losing
vs 1 year ago
-34.6%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. 37.390, -107.556 · Open in Google Maps
About Vallecito Reservoir and Dam
As of July 28, 2026, Vallecito Reservoir and Dam is filled to 46.7% of its total capacity, holding roughly 75 hm³ of water out of a maximum 160 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 (-0.6 pts), and it is 34.6 points below its level on the same date a year earlier.
Across the readings we hold for Vallecito Reservoir and Dam — 1824 data points between July 31, 2021 and July 28, 2026 — the level has ranged from a low of 18.2% (October 2, 2021) to a high of 96.0% (June 24, 2023). On average the reservoir is fullest around June and at its lowest around October.
It is operated by BOR primarily for multiple purposes. It lies within the Colorado basin at 37.390°N, 107.556°W.
Key facts
- Current fill level
- 46.7%
- Water stored
- 75 hm³
- Total capacity
- 160 hm³
- 7-day change
- ▼ 0.6 pts
- Year-on-year
- ▼ 34.6 pts
- Primary use
- Multipurpose
- River basin
- Colorado
- Operator
- BOR
- Coordinates
- 37.390°N, 107.556°W
- Last updated
- July 28, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 28 Jul 2026 | 46.7% | 75 |
| 27 Jul 2026 | 47.3% | 76 |
| 26 Jul 2026 | 48.0% | 77 |
| 25 Jul 2026 | 48.7% | 78 |
| 24 Jul 2026 | 49.4% | 79 |
| 23 Jul 2026 | 50.2% | 80 |
| 22 Jul 2026 | 50.9% | 81 |
| 21 Jul 2026 | 51.6% | 83 |
| 20 Jul 2026 | 52.4% | 84 |
| 19 Jul 2026 | 53.2% | 85 |
| 18 Jul 2026 | 54.0% | 86 |
| 17 Jul 2026 | 54.7% | 87 |
Frequently asked questions
What is the current water level of Vallecito Reservoir and Dam?
As of July 28, 2026, Vallecito Reservoir and Dam is at 46.7% of its capacity, holding approximately 75 hm³ of water, according to BOR RISE (US Bureau of Reclamation) data.
Is Vallecito Reservoir and Dam reservoir full?
No. As of July 28, 2026, Vallecito Reservoir and Dam is within its normal operating range at 46.7% of its capacity, so it is not full.
Is the water level at Vallecito Reservoir and Dam rising or falling?
The level at Vallecito Reservoir and Dam has been broadly stable over the latest week on record (-0.6 points).
How much water can Vallecito Reservoir and Dam hold?
Vallecito Reservoir and Dam has a total capacity of 160 hm³.
Where is Vallecito Reservoir and Dam reservoir located?
Vallecito Reservoir and Dam is located in Colorado, United States, within the Colorado basin (coordinates 37.390°N, 107.556°W).
What is Vallecito Reservoir and Dam used for?
Vallecito Reservoir and Dam is used primarily for multiple purposes, and is managed by BOR.