Reservoir · Oklahoma · United States · USACE CWMS
Sardis Lake
90.2% full
Capacity
338.38 hm³
Volume stored
305 hm³
Coordinates
34.628°N, 95.350°W
Last updated
2026-10-09
Current fill
90.2%vs 7 days ago
-0.2%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: 2026-10-09.
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 October 9, 2026, Sardis Lake is filled to 90.2% of its total capacity, holding roughly 305 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 (-0.2 pts).
Across the readings we hold for Sardis Lake — 330 data points between October 10, 2021 and October 9, 2026 — the level has ranged from a low of 88.7% (September 30, 2026) to a high of 105.0% (April 25, 2022). On average the reservoir is fullest around May and at its lowest around September.
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
- 90.2%
- Water stored
- 305 hm³
- Total capacity
- 338 hm³
- 7-day change
- ▼ 0.2 pts
- Primary use
- Multipurpose
- River basin
- Oklahoma
- Operator
- USACE
- Coordinates
- 34.628°N, 95.350°W
- Last updated
- October 9, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 9 Oct 2026 | 90.2% | 305 |
| 8 Oct 2026 | 90.2% | 305 |
| 7 Oct 2026 | 90.3% | 306 |
| 6 Oct 2026 | 90.3% | 306 |
| 5 Oct 2026 | 90.4% | 306 |
| 4 Oct 2026 | 90.5% | 306 |
| 3 Oct 2026 | 90.4% | 306 |
| 2 Oct 2026 | 90.4% | 306 |
| 1 Oct 2026 | 89.6% | 303 |
| 30 Sep 2026 | 88.7% | 300 |
| 29 Sep 2026 | 88.9% | 301 |
| 28 Sep 2026 | 89.0% | 301 |