Reservoir · Oklahoma · United States · USACE CWMS
Canton Lake
87.0% full
Capacity
137.3 hm³
Volume stored
119 hm³
Coordinates
36.084°N, 98.601°W
Last updated
2026-09-11
Current fill
87.0%vs 7 days ago
-0.5%losing
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. 36.084, -98.601 · Open in Google Maps
About Canton Lake
As of September 11, 2026, Canton Lake is filled to 87.0% of its total capacity, holding roughly 119 hm³ of water out of a maximum 137 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (-0.5 pts).
Across the readings we hold for Canton Lake — 329 data points between September 12, 2021 and September 11, 2026 — the level has ranged from a low of 86.8% (September 9, 2026) to a high of 101.2% (March 22, 2022). On average the reservoir is fullest around May and at its lowest around August.
It is operated by USACE primarily for multiple purposes. It lies within the Oklahoma basin at 36.084°N, 98.601°W.
Key facts
- Current fill level
- 87.0%
- Water stored
- 119 hm³
- Total capacity
- 137 hm³
- 7-day change
- ▼ 0.5 pts
- Primary use
- Multipurpose
- River basin
- Oklahoma
- Operator
- USACE
- Coordinates
- 36.084°N, 98.601°W
- Last updated
- September 11, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 11 Sep 2026 | 87.0% | 119 |
| 10 Sep 2026 | 87.0% | 119 |
| 9 Sep 2026 | 86.8% | 119 |
| 8 Sep 2026 | 86.9% | 119 |
| 7 Sep 2026 | 87.0% | 119 |
| 6 Sep 2026 | 87.2% | 120 |
| 5 Sep 2026 | 87.3% | 120 |
| 4 Sep 2026 | 87.5% | 120 |
| 3 Sep 2026 | 87.5% | 120 |
| 2 Sep 2026 | 87.7% | 120 |
| 1 Sep 2026 | 87.8% | 121 |
| 31 Aug 2026 | 87.9% | 121 |