Reservoir · Oklahoma · United States · USACE CWMS
Arcadia Lake
90.7% full
Capacity
34.01 hm³
Volume stored
31 hm³
Coordinates
35.648°N, 97.363°W
Last updated
2026-09-11
Current fill
90.7%vs 7 days ago
-1.2%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. 35.648, -97.363 · Open in Google Maps
About Arcadia Lake
As of September 11, 2026, Arcadia Lake is filled to 90.7% of its total capacity, holding roughly 31 hm³ of water out of a maximum 34 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (-1.2 pts).
Across the readings we hold for Arcadia Lake — 329 data points between September 12, 2021 and September 11, 2026 — the level has ranged from a low of 90.7% (September 11, 2026) to a high of 105.0% (October 15, 2021). 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 35.648°N, 97.363°W.
Key facts
- Current fill level
- 90.7%
- Water stored
- 31 hm³
- Total capacity
- 34 hm³
- 7-day change
- ▼ 1.2 pts
- Primary use
- Multipurpose
- River basin
- Oklahoma
- Operator
- USACE
- Coordinates
- 35.648°N, 97.363°W
- Last updated
- September 11, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 11 Sep 2026 | 90.7% | 31 |
| 10 Sep 2026 | 90.9% | 31 |
| 9 Sep 2026 | 91.0% | 31 |
| 8 Sep 2026 | 91.3% | 31 |
| 7 Sep 2026 | 91.4% | 31 |
| 6 Sep 2026 | 91.6% | 31 |
| 5 Sep 2026 | 91.6% | 31 |
| 4 Sep 2026 | 91.9% | 31 |
| 3 Sep 2026 | 92.0% | 31 |
| 2 Sep 2026 | 92.4% | 31 |
| 1 Sep 2026 | 92.7% | 32 |
| 31 Aug 2026 | 92.7% | 32 |