Reservoir · South Dakota · United States · BOR RISE
Shadehill Reservoir and Dam
69.1% full
Capacity
172.29 hm³
Volume stored
119 hm³
Coordinates
45.753°N, 102.203°W
Last updated
2026-07-28
Current fill
69.1%vs 7 days ago
-0.1%losing
vs 1 year ago
-3.6%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. 45.753, -102.203 · Open in Google Maps
About Shadehill Reservoir and Dam
As of July 28, 2026, Shadehill Reservoir and Dam is filled to 69.1% of its total capacity, holding roughly 119 hm³ of water out of a maximum 172 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 (-0.1 pts), and it is 3.6 points below its level on the same date a year earlier.
Across the readings we hold for Shadehill Reservoir and Dam — 1823 data points between July 31, 2021 and July 28, 2026 — the level has ranged from a low of 51.0% (February 21, 2022) to a high of 85.6% (July 26, 2023). On average the reservoir is fullest around July and at its lowest around February.
It is operated by BOR primarily for multiple purposes. It lies within the South Dakota basin at 45.753°N, 102.203°W.
Key facts
- Current fill level
- 69.1%
- Water stored
- 119 hm³
- Total capacity
- 172 hm³
- 7-day change
- ▼ 0.1 pts
- Year-on-year
- ▼ 3.6 pts
- Primary use
- Multipurpose
- River basin
- South Dakota
- Operator
- BOR
- Coordinates
- 45.753°N, 102.203°W
- Last updated
- July 28, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 28 Jul 2026 | 69.1% | 119 |
| 27 Jul 2026 | 69.2% | 119 |
| 26 Jul 2026 | 69.3% | 119 |
| 25 Jul 2026 | 69.3% | 119 |
| 24 Jul 2026 | 69.5% | 120 |
| 23 Jul 2026 | 69.6% | 120 |
| 22 Jul 2026 | 69.6% | 120 |
| 21 Jul 2026 | 69.7% | 120 |
| 20 Jul 2026 | 69.8% | 120 |
| 19 Jul 2026 | 69.9% | 120 |
| 18 Jul 2026 | 70.0% | 121 |
| 17 Jul 2026 | 70.1% | 121 |
Frequently asked questions
What is the current water level of Shadehill Reservoir and Dam?
As of July 28, 2026, Shadehill Reservoir and Dam is at 69.1% of its capacity, holding approximately 119 hm³ of water, according to BOR RISE (US Bureau of Reclamation) data.
Is Shadehill Reservoir and Dam reservoir full?
No. As of July 28, 2026, Shadehill Reservoir and Dam is within its normal operating range at 69.1% of its capacity, so it is not full.
Is the water level at Shadehill Reservoir and Dam rising or falling?
The level at Shadehill Reservoir and Dam has been broadly stable over the latest week on record (-0.1 points).
How much water can Shadehill Reservoir and Dam hold?
Shadehill Reservoir and Dam has a total capacity of 172 hm³.
Where is Shadehill Reservoir and Dam reservoir located?
Shadehill Reservoir and Dam is located in South Dakota, United States, within the South Dakota basin (coordinates 45.753°N, 102.203°W).
What is Shadehill Reservoir and Dam used for?
Shadehill Reservoir and Dam is used primarily for multiple purposes, and is managed by BOR.