Reservoir · Oklahoma · United States · USACE CWMS
Broken Bow Lake
84.6% full
Capacity
1,132.42 hm³
Volume stored
958 hm³
Vs month average
98% of normal
Coordinates
34.143°N, 94.683°W
Last updated
2026-10-28
Current fill
84.6%vs 7 days ago
-0.9 pplosing
vs 1 year ago
N/A7-day trend
→stable
Drought context
Storage vs October average
98%of normal
84.6% full on 2026-10-28, against an average of 86.6% for October across 2 years of readings (-2.0 points).
Drought Monitor at this site · 20 October 2026
D3extreme drought
The ground at Broken Bow Lake's coordinates falls inside the D3 area of the weekly U.S. Drought Monitor map. That describes local conditions — rainfall, soil moisture, streamflow — not the reservoir's storage. Oklahoma drought figures →
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: 2026-10-28.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 34.143°N, 94.683°W · Open in Google Maps
About Broken Bow Lake
As of October 28, 2026, Broken Bow Lake is filled to 84.6% of its total capacity, holding 958.15 hm³ of water out of a maximum 1,132 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (-0.9 pp).
Across the readings we hold for Broken Bow Lake — 311 data points between October 29, 2021 and October 28, 2026 — the level has ranged from a low of 83.8% (December 17, 2021) to a high of 104.9% (July 1, 2026). On average the reservoir is fullest around May and at its lowest around December.
It is operated by USACE primarily for multiple purposes. It is at 34.143°N, 94.683°W.
Key facts
- Current fill level
- 84.6% of total capacity
- Water stored
- 958.15 hm³
- Total capacity
- 1,132 hm³
- 7-day change
- ▼ 0.9 pp
- Primary use
- Multipurpose
- Operator
- USACE
- Coordinates
- 34.143°N, 94.683°W
- Last updated
- October 28, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 28 Oct 2026 | 84.6% | 958.15 |
| 27 Oct 2026 | 84.7% | 958.76 |
| 26 Oct 2026 | 84.8% | 960.59 |
| 25 Oct 2026 | 85.0% | 962.12 |
| 24 Oct 2026 | 85.1% | 963.19 |
| 23 Oct 2026 | 85.1% | 964.25 |
| 22 Oct 2026 | 85.3% | 966.24 |
| 21 Oct 2026 | 85.5% | 968.22 |
| 20 Oct 2026 | 85.7% | 970.22 |
| 19 Oct 2026 | 85.8% | 972.07 |
| 18 Oct 2026 | 85.9% | 972.84 |
| 17 Oct 2026 | 86.0% | 973.61 |