Reservoir · North Dakota · United States · BOR RISE
Jamestown Dam and Reservoir
28.3% full
Capacity
131.68 hm³
Volume stored
37 hm³
Coordinates
46.931°N, 98.706°W
Last updated
2026-06-10
Current fill
28.3%vs 7 days ago
+0.2%gaining
vs 1 year ago
-4.7%year-over-year
7-day trend
→stable
Data source: BOR RISE — US Bureau of Reclamation — daily reservoir storage volume. Design capacity is unavailable for this site, so fill % is estimated against the 5-year maximum storage and may overstate fullness. Last reading: 2026-06-10.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 46.931, -98.706 · Open in Google Maps
About Jamestown Dam and Reservoir
As of June 10, 2026, Jamestown Dam and Reservoir is filled to 28.3% of its total capacity, holding roughly 37 hm³ of water out of a maximum 132 hm³. At this level the reservoir is low.
Over the most recent week on record the fill level has held broadly steady (+0.2 pts), and it is 4.7 points below its level on the same date a year earlier.
Across the readings we hold for Jamestown Dam and Reservoir — 1824 data points between June 13, 2021 and June 10, 2026 — the level has ranged from a low of 19.1% (October 6, 2021) to a high of 100.0% (May 20, 2023). On average the reservoir is fullest around May and at its lowest around December.
It is operated by BOR primarily for multiple purposes. It lies within the North Dakota basin at 46.931°N, 98.706°W.
Key facts
- Current fill level
- 28.3%
- Water stored
- 37 hm³
- Total capacity
- 132 hm³
- 7-day change
- ▲ 0.2 pts
- Year-on-year
- ▼ 4.7 pts
- Primary use
- Multipurpose
- River basin
- North Dakota
- Operator
- BOR
- Coordinates
- 46.931°N, 98.706°W
- Last updated
- June 10, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 10 Jun 2026 | 28.3% | 37 |
| 9 Jun 2026 | 28.1% | 37 |
| 8 Jun 2026 | 28.2% | 37 |
| 7 Jun 2026 | 28.3% | 37 |
| 6 Jun 2026 | 28.2% | 37 |
| 5 Jun 2026 | 28.3% | 37 |
| 4 Jun 2026 | 28.3% | 37 |
| 3 Jun 2026 | 28.2% | 37 |
| 2 Jun 2026 | 28.1% | 37 |
| 1 Jun 2026 | 28.2% | 37 |
| 31 May 2026 | 28.2% | 37 |
| 30 May 2026 | 28.4% | 37 |
Frequently asked questions
What is the current water level of Jamestown Dam and Reservoir?
As of June 10, 2026, Jamestown Dam and Reservoir is at 28.3% of its capacity, holding approximately 37 hm³ of water, according to BOR RISE (US Bureau of Reclamation) data.
Is Jamestown Dam and Reservoir reservoir full?
No. As of June 10, 2026, Jamestown Dam and Reservoir is low at 28.3% of its capacity, so it is not full.
Is the water level at Jamestown Dam and Reservoir rising or falling?
The level at Jamestown Dam and Reservoir has been broadly stable over the latest week on record (+0.2 points).
How much water can Jamestown Dam and Reservoir hold?
Jamestown Dam and Reservoir has a total capacity of 132 hm³.
Where is Jamestown Dam and Reservoir reservoir located?
Jamestown Dam and Reservoir is located in North Dakota, United States, within the North Dakota basin (coordinates 46.931°N, 98.706°W).
What is Jamestown Dam and Reservoir used for?
Jamestown Dam and Reservoir is used primarily for multiple purposes, and is managed by BOR.