Reservoir · North Dakota · United States · USACE CWMS
Bowman-Haley Dam & Reservoir
63.7% full
Capacity
24.4 hm³
Volume stored
16 hm³
Coordinates
45.982°N, 103.247°W
Last updated
2026-06-12
Current fill
63.7%vs 7 days ago
-0.7%losing
vs 1 year ago
-4.9%year-over-year
7-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: 2026-06-12.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 45.982, -103.247 · Open in Google Maps
About Bowman-Haley Dam & Reservoir
As of June 12, 2026, Bowman-Haley Dam & Reservoir is filled to 63.7% of its total capacity, holding roughly 16 hm³ of water out of a maximum 24 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 (-0.7 pts), and it is 4.9 points below its level on the same date a year earlier.
Across the readings we hold for Bowman-Haley Dam & Reservoir — 330 data points between June 13, 2021 and June 12, 2026 — the level has ranged from a low of 42.7% (October 8, 2021) to a high of 68.9% (February 24, 2026). On average the reservoir is fullest around February and at its lowest around January.
It is operated by USACE primarily for multiple purposes. It lies within the North Dakota basin at 45.982°N, 103.247°W.
Key facts
- Current fill level
- 63.7%
- Water stored
- 16 hm³
- Total capacity
- 24 hm³
- 7-day change
- ▼ 0.7 pts
- Year-on-year
- ▼ 4.9 pts
- Primary use
- Multipurpose
- River basin
- North Dakota
- Operator
- USACE
- Coordinates
- 45.982°N, 103.247°W
- Last updated
- June 12, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 12 Jun 2026 | 63.7% | 16 |
| 11 Jun 2026 | 64.4% | 16 |
| 10 Jun 2026 | 64.2% | 16 |
| 9 Jun 2026 | 64.6% | 16 |
| 8 Jun 2026 | 64.7% | 16 |
| 7 Jun 2026 | 64.9% | 16 |
| 6 Jun 2026 | 65.0% | 16 |
| 5 Jun 2026 | 65.2% | 16 |
| 4 Jun 2026 | 65.2% | 16 |
| 3 Jun 2026 | 65.2% | 16 |
| 2 Jun 2026 | 65.2% | 16 |
| 1 Jun 2026 | 65.4% | 16 |
Frequently asked questions
What is the current water level of Bowman-Haley Dam & Reservoir?
As of June 12, 2026, Bowman-Haley Dam & Reservoir is at 63.7% of its capacity, holding approximately 16 hm³ of water, according to USACE CWMS (US Army Corps of Engineers) data.
Is Bowman-Haley Dam & Reservoir reservoir full?
No. As of June 12, 2026, Bowman-Haley Dam & Reservoir is within its normal operating range at 63.7% of its capacity, so it is not full.
Is the water level at Bowman-Haley Dam & Reservoir rising or falling?
The level at Bowman-Haley Dam & Reservoir has been broadly stable over the latest week on record (-0.7 points).
How much water can Bowman-Haley Dam & Reservoir hold?
Bowman-Haley Dam & Reservoir has a total capacity of 24 hm³.
Where is Bowman-Haley Dam & Reservoir reservoir located?
Bowman-Haley Dam & Reservoir is located in North Dakota, United States, within the North Dakota basin (coordinates 45.982°N, 103.247°W).
What is Bowman-Haley Dam & Reservoir used for?
Bowman-Haley Dam & Reservoir is used primarily for multiple purposes, and is managed by USACE.