Reservoir · Nebraska · United States · BOR RISE
Calamus Reservoir and Virginia Smith Dam
76.6% full
Capacity
157.15 hm³
Volume stored
120 hm³
Coordinates
41.827°N, 99.220°W
Last updated
2026-07-28
Current fill
76.6%vs 7 days ago
-0.8%losing
vs 1 year ago
-17.7%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. 41.827, -99.220 · Open in Google Maps
About Calamus Reservoir and Virginia Smith Dam
As of July 28, 2026, Calamus Reservoir and Virginia Smith Dam is filled to 76.6% of its total capacity, holding roughly 120 hm³ of water out of a maximum 157 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 (-0.8 pts), and it is 17.7 points below its level on the same date a year earlier.
Across the readings we hold for Calamus Reservoir and Virginia Smith Dam — 1823 data points between July 31, 2021 and July 28, 2026 — the level has ranged from a low of 40.4% (September 18, 2022) to a high of 97.0% (May 2, 2022). On average the reservoir is fullest around May and at its lowest around September.
It is operated by BOR primarily for multiple purposes. It lies within the Nebraska basin at 41.827°N, 99.220°W.
Key facts
- Current fill level
- 76.6%
- Water stored
- 120 hm³
- Total capacity
- 157 hm³
- 7-day change
- ▼ 0.8 pts
- Year-on-year
- ▼ 17.7 pts
- Primary use
- Multipurpose
- River basin
- Nebraska
- Operator
- BOR
- Coordinates
- 41.827°N, 99.220°W
- Last updated
- July 28, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 28 Jul 2026 | 76.6% | 120 |
| 27 Jul 2026 | 77.4% | 122 |
| 26 Jul 2026 | 78.3% | 123 |
| 25 Jul 2026 | 78.7% | 124 |
| 24 Jul 2026 | 79.3% | 125 |
| 23 Jul 2026 | 79.8% | 125 |
| 22 Jul 2026 | 80.3% | 126 |
| 21 Jul 2026 | 80.8% | 127 |
| 20 Jul 2026 | 81.7% | 128 |
| 19 Jul 2026 | 82.6% | 130 |
| 18 Jul 2026 | 83.4% | 131 |
| 17 Jul 2026 | 84.3% | 132 |
Frequently asked questions
What is the current water level of Calamus Reservoir and Virginia Smith Dam?
As of July 28, 2026, Calamus Reservoir and Virginia Smith Dam is at 76.6% of its capacity, holding approximately 120 hm³ of water, according to BOR RISE (US Bureau of Reclamation) data.
Is Calamus Reservoir and Virginia Smith Dam reservoir full?
No. As of July 28, 2026, Calamus Reservoir and Virginia Smith Dam is within its normal operating range at 76.6% of its capacity, so it is not full.
Is the water level at Calamus Reservoir and Virginia Smith Dam rising or falling?
The level at Calamus Reservoir and Virginia Smith Dam has been broadly stable over the latest week on record (-0.8 points).
How much water can Calamus Reservoir and Virginia Smith Dam hold?
Calamus Reservoir and Virginia Smith Dam has a total capacity of 157 hm³.
Where is Calamus Reservoir and Virginia Smith Dam reservoir located?
Calamus Reservoir and Virginia Smith Dam is located in Nebraska, United States, within the Nebraska basin (coordinates 41.827°N, 99.220°W).
What is Calamus Reservoir and Virginia Smith Dam used for?
Calamus Reservoir and Virginia Smith Dam is used primarily for multiple purposes, and is managed by BOR.