Reservoir · Colorado · United States · BOR RISE
Silver Jack Reservoir and Dam
17.9% full
Capacity
16.68 hm³
Volume stored
3 hm³
Coordinates
38.233°N, 107.541°W
Last updated
2026-07-28
Current fill
17.9%vs 7 days ago
-0.5%losing
vs 1 year ago
-35.0%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. 38.233, -107.541 · Open in Google Maps
About Silver Jack Reservoir and Dam
As of July 28, 2026, Silver Jack Reservoir and Dam is filled to 17.9% of its total capacity, holding roughly 3 hm³ of water out of a maximum 17 hm³. At this level the reservoir is critically low.
Over the most recent week on record the fill level has held broadly steady (-0.5 pts), and it is 35.0 points below its level on the same date a year earlier.
Across the readings we hold for Silver Jack Reservoir and Dam — 1821 data points between July 31, 2021 and July 28, 2026 — the level has ranged from a low of 3.5% (September 29, 2025) to a high of 98.3% (June 3, 2025). 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 38.233°N, 107.541°W.
Key facts
- Current fill level
- 17.9%
- Water stored
- 3 hm³
- Total capacity
- 17 hm³
- 7-day change
- ▼ 0.5 pts
- Year-on-year
- ▼ 35.0 pts
- Primary use
- Multipurpose
- River basin
- Colorado
- Operator
- BOR
- Coordinates
- 38.233°N, 107.541°W
- Last updated
- July 28, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 28 Jul 2026 | 17.9% | 3 |
| 27 Jul 2026 | 18.4% | 3 |
| 26 Jul 2026 | 18.9% | 3 |
| 25 Jul 2026 | 19.4% | 3 |
| 24 Jul 2026 | 19.8% | 3 |
| 23 Jul 2026 | 20.2% | 3 |
| 22 Jul 2026 | 20.6% | 3 |
| 21 Jul 2026 | 20.8% | 3 |
| 20 Jul 2026 | 21.3% | 4 |
| 19 Jul 2026 | 21.8% | 4 |
| 18 Jul 2026 | 22.5% | 4 |
| 17 Jul 2026 | 23.1% | 4 |
Frequently asked questions
What is the current water level of Silver Jack Reservoir and Dam?
As of July 28, 2026, Silver Jack Reservoir and Dam is at 17.9% of its capacity, holding approximately 3 hm³ of water, according to BOR RISE (US Bureau of Reclamation) data.
Is Silver Jack Reservoir and Dam reservoir full?
No. As of July 28, 2026, Silver Jack Reservoir and Dam is critically low at 17.9% of its capacity, so it is not full.
Is the water level at Silver Jack Reservoir and Dam rising or falling?
The level at Silver Jack Reservoir and Dam has been broadly stable over the latest week on record (-0.5 points).
How much water can Silver Jack Reservoir and Dam hold?
Silver Jack Reservoir and Dam has a total capacity of 17 hm³.
Where is Silver Jack Reservoir and Dam reservoir located?
Silver Jack Reservoir and Dam is located in Colorado, United States, within the Colorado basin (coordinates 38.233°N, 107.541°W).
What is Silver Jack Reservoir and Dam used for?
Silver Jack Reservoir and Dam is used primarily for multiple purposes, and is managed by BOR.