Reservoir · North Dakota · United States · USACE CWMS
Pipestem Dam & Reservoir
25.5% full
Capacity
43.83 hm³
Volume stored
11 hm³
Coordinates
46.963°N, 98.752°W
Last updated
2026-09-11
Current fill
25.5%vs 7 days ago
+0.2%gaining
vs 1 year ago
N/A7-day trend
→stable
Data source: USACE CWMS — US Army Corps of Engineers — 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: 2026-09-11.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 46.963, -98.752 · Open in Google Maps
About Pipestem Dam & Reservoir
As of September 11, 2026, Pipestem Dam & Reservoir is filled to 25.5% of its total capacity, holding roughly 11 hm³ of water out of a maximum 44 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).
Across the readings we hold for Pipestem Dam & Reservoir — 328 data points between September 12, 2021 and September 11, 2026 — the level has ranged from a low of 20.6% (September 27, 2021) to a high of 96.6% (May 14, 2026). On average the reservoir is fullest around May and at its lowest around October.
It is operated by USACE primarily for multiple purposes. It lies within the North Dakota basin at 46.963°N, 98.752°W.
Key facts
- Current fill level
- 25.5%
- Water stored
- 11 hm³
- Total capacity
- 44 hm³
- 7-day change
- ▲ 0.2 pts
- Primary use
- Multipurpose
- River basin
- North Dakota
- Operator
- USACE
- Coordinates
- 46.963°N, 98.752°W
- Last updated
- September 11, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 11 Sep 2026 | 25.5% | 11 |
| 10 Sep 2026 | 25.6% | 11 |
| 9 Sep 2026 | 25.6% | 11 |
| 8 Sep 2026 | 25.7% | 11 |
| 7 Sep 2026 | 25.6% | 11 |
| 6 Sep 2026 | 25.5% | 11 |
| 5 Sep 2026 | 25.2% | 11 |
| 4 Sep 2026 | 25.3% | 11 |
| 3 Sep 2026 | 25.3% | 11 |
| 2 Sep 2026 | 25.3% | 11 |
| 1 Sep 2026 | 25.3% | 11 |
| 31 Aug 2026 | 25.4% | 11 |