Reservoir · South Dakota · United States · BOR RISE
Pactola Reservoir and Dam
76.2% full
Capacity
69.03 hm³
Volume stored
53 hm³
Coordinates
44.072°N, 103.488°W
Last updated
2026-07-28
Current fill
76.2%vs 7 days ago
-0.1%losing
vs 1 year ago
-6.9%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. 44.072, -103.488 · Open in Google Maps
About Pactola Reservoir and Dam
As of July 28, 2026, Pactola Reservoir and Dam is filled to 76.2% of its total capacity, holding roughly 53 hm³ of water out of a maximum 69 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 6.9 points below its level on the same date a year earlier.
Across the readings we hold for Pactola Reservoir and Dam — 1823 data points between July 31, 2021 and July 28, 2026 — the level has ranged from a low of 76.2% (July 28, 2026) to a high of 100.3% (July 3, 2023). On average the reservoir is fullest around August and at its lowest around January.
It is operated by BOR primarily for multiple purposes. It lies within the South Dakota basin at 44.072°N, 103.488°W.
Key facts
- Current fill level
- 76.2%
- Water stored
- 53 hm³
- Total capacity
- 69 hm³
- 7-day change
- ▼ 0.1 pts
- Year-on-year
- ▼ 6.9 pts
- Primary use
- Multipurpose
- River basin
- South Dakota
- Operator
- BOR
- Coordinates
- 44.072°N, 103.488°W
- Last updated
- July 28, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 28 Jul 2026 | 76.2% | 53 |
| 27 Jul 2026 | 76.3% | 53 |
| 26 Jul 2026 | 76.4% | 53 |
| 25 Jul 2026 | 76.6% | 53 |
| 24 Jul 2026 | 76.7% | 53 |
| 23 Jul 2026 | 76.8% | 53 |
| 22 Jul 2026 | 76.9% | 53 |
| 21 Jul 2026 | 77.1% | 53 |
| 20 Jul 2026 | 77.2% | 53 |
| 19 Jul 2026 | 77.4% | 53 |
| 18 Jul 2026 | 77.5% | 54 |
| 17 Jul 2026 | 77.7% | 54 |
Frequently asked questions
What is the current water level of Pactola Reservoir and Dam?
As of July 28, 2026, Pactola Reservoir and Dam is at 76.2% of its capacity, holding approximately 53 hm³ of water, according to BOR RISE (US Bureau of Reclamation) data.
Is Pactola Reservoir and Dam reservoir full?
No. As of July 28, 2026, Pactola Reservoir and Dam is within its normal operating range at 76.2% of its capacity, so it is not full.
Is the water level at Pactola Reservoir and Dam rising or falling?
The level at Pactola Reservoir and Dam has been broadly stable over the latest week on record (-0.1 points).
How much water can Pactola Reservoir and Dam hold?
Pactola Reservoir and Dam has a total capacity of 69 hm³.
Where is Pactola Reservoir and Dam reservoir located?
Pactola Reservoir and Dam is located in South Dakota, United States, within the South Dakota basin (coordinates 44.072°N, 103.488°W).
What is Pactola Reservoir and Dam used for?
Pactola Reservoir and Dam is used primarily for multiple purposes, and is managed by BOR.