Reservoir · North Dakota · United States · BOR RISE
Audubon Lake North Dakota
96.1% full
Capacity
427.3 hm³
Volume stored
411 hm³
Coordinates
47.611°N, 101.266°W
Last updated
2026-09-09
Current fill
96.1%vs 7 days ago
-0.8%losing
vs 1 year ago
+1.4%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: 2026-09-09.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 47.611, -101.266 · Open in Google Maps
About Audubon Lake North Dakota
As of September 9, 2026, Audubon Lake North Dakota is filled to 96.1% of its total capacity, holding roughly 411 hm³ of water out of a maximum 427 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (-0.8 pts), and it is 1.4 points above its level on the same date a year earlier.
Across the readings we hold for Audubon Lake North Dakota — 1753 data points between September 12, 2021 and September 9, 2026 — the level has ranged from a low of 70.6% (October 5, 2021) to a high of 98.8% (May 12, 2022). On average the reservoir is fullest around June and at its lowest around November.
It is operated by BOR primarily for multiple purposes. It lies within the North Dakota basin at 47.611°N, 101.266°W.
Key facts
- Current fill level
- 96.1%
- Water stored
- 411 hm³
- Total capacity
- 427 hm³
- 7-day change
- ▼ 0.8 pts
- Year-on-year
- ▲ 1.4 pts
- Primary use
- Multipurpose
- River basin
- North Dakota
- Operator
- BOR
- Coordinates
- 47.611°N, 101.266°W
- Last updated
- September 9, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 9 Sep 2026 | 96.1% | 411 |
| 8 Sep 2026 | 96.0% | 410 |
| 7 Sep 2026 | 96.3% | 412 |
| 6 Sep 2026 | 96.6% | 413 |
| 5 Sep 2026 | 96.6% | 413 |
| 4 Sep 2026 | 96.7% | 413 |
| 3 Sep 2026 | 96.7% | 413 |
| 2 Sep 2026 | 96.9% | 414 |
| 1 Sep 2026 | 96.9% | 414 |
| 31 Aug 2026 | 96.9% | 414 |
| 30 Aug 2026 | 96.9% | 414 |
| 29 Aug 2026 | 97.0% | 414 |