Reservoir · Oklahoma · United States · USACE CWMS
Hugo Lake
71.6% full
Capacity
195.65 hm³
Volume stored
140 hm³
Coordinates
34.012°N, 95.380°W
Last updated
2026-09-11
Current fill
71.6%vs 7 days ago
-2.1%losing
vs 1 year ago
N/A7-day trend
↓falling
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. 34.012, -95.380 · Open in Google Maps
About Hugo Lake
As of September 11, 2026, Hugo Lake is filled to 71.6% of its total capacity, holding roughly 140 hm³ of water out of a maximum 196 hm³. At this level the reservoir is within its normal operating range.
Over the most recent week on record the fill level has fallen by 2.1 percentage points.
Across the readings we hold for Hugo Lake — 330 data points between September 12, 2021 and September 11, 2026 — the level has ranged from a low of 71.6% (September 11, 2026) to a high of 105.0% (January 2, 2022). On average the reservoir is fullest around June and at its lowest around August.
It is operated by USACE primarily for multiple purposes. It lies within the Oklahoma basin at 34.012°N, 95.380°W.
Key facts
- Current fill level
- 71.6%
- Water stored
- 140 hm³
- Total capacity
- 196 hm³
- 7-day change
- ▼ 2.1 pts
- Primary use
- Multipurpose
- River basin
- Oklahoma
- Operator
- USACE
- Coordinates
- 34.012°N, 95.380°W
- Last updated
- September 11, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 11 Sep 2026 | 71.6% | 140 |
| 10 Sep 2026 | 71.7% | 140 |
| 9 Sep 2026 | 72.0% | 141 |
| 8 Sep 2026 | 72.3% | 142 |
| 7 Sep 2026 | 72.8% | 142 |
| 6 Sep 2026 | 73.0% | 143 |
| 5 Sep 2026 | 73.3% | 143 |
| 4 Sep 2026 | 73.7% | 144 |
| 3 Sep 2026 | 73.9% | 145 |
| 2 Sep 2026 | 74.3% | 145 |
| 1 Sep 2026 | 74.7% | 146 |
| 31 Aug 2026 | 75.2% | 147 |