Reservoir · Oklahoma · United States · USACE CWMS
Sardis Lake
90.4% full
Capacity
338.38 hm³
Volume stored
306 hm³
Coordinates
34.628°N, 95.350°W
Last updated
2026-09-14
Current fill
90.4%vs 7 days ago
-0.6%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: 2026-09-14.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 34.628, -95.350 · Open in Google Maps
About Sardis Lake
As of September 14, 2026, Sardis Lake is filled to 90.4% of its total capacity, holding roughly 306 hm³ of water out of a maximum 338 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (-0.6 pts).
Across the readings we hold for Sardis Lake — 121 data points between May 17, 2026 and September 14, 2026 — the level has ranged from a low of 90.4% (September 13, 2026) to a high of 105.0% (May 23, 2026).
It is operated by USACE primarily for multiple purposes. It lies within the Oklahoma basin at 34.628°N, 95.350°W.
Key facts
- Current fill level
- 90.4%
- Water stored
- 306 hm³
- Total capacity
- 338 hm³
- 7-day change
- ▼ 0.6 pts
- Primary use
- Multipurpose
- River basin
- Oklahoma
- Operator
- USACE
- Coordinates
- 34.628°N, 95.350°W
- Last updated
- September 14, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 14 Sep 2026 | 90.4% | 306 |
| 13 Sep 2026 | 90.4% | 306 |
| 12 Sep 2026 | 90.6% | 307 |
| 11 Sep 2026 | 90.5% | 306 |
| 10 Sep 2026 | 90.8% | 307 |
| 9 Sep 2026 | 90.8% | 307 |
| 8 Sep 2026 | 90.9% | 308 |
| 7 Sep 2026 | 91.0% | 308 |
| 6 Sep 2026 | 91.1% | 308 |
| 5 Sep 2026 | 91.1% | 308 |
| 4 Sep 2026 | 91.2% | 309 |
| 3 Sep 2026 | 91.2% | 309 |