Reservoir · Oklahoma · United States · USACE CWMS
Sardis Lake
98.5% full
Capacity
338.38 hm³
Volume stored
333 hm³
Coordinates
34.628°N, 95.350°W
Last updated
2026-06-11
Current fill
98.5%vs 7 days ago
-0.4%losing
vs 1 year ago
+0.6%year-over-year
7-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: 2026-06-11.
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 June 11, 2026, Sardis Lake is filled to 98.5% of its total capacity, holding roughly 333 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 (-0.4 pts), and it sits close to where it was a year earlier.
Across the readings we hold for Sardis Lake — 329 data points between June 13, 2021 and June 11, 2026 — the level has ranged from a low of 91.8% (October 10, 2021) to a high of 105.0% (May 23, 2026). On average the reservoir is fullest around May and at its lowest around October.
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
- 98.5%
- Water stored
- 333 hm³
- Total capacity
- 338 hm³
- 7-day change
- ▼ 0.4 pts
- Year-on-year
- ▲ 0.6 pts
- Primary use
- Multipurpose
- River basin
- Oklahoma
- Operator
- USACE
- Coordinates
- 34.628°N, 95.350°W
- Last updated
- June 11, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 11 Jun 2026 | 98.5% | 333 |
| 10 Jun 2026 | 98.9% | 335 |
| 9 Jun 2026 | 99.5% | 337 |
| 8 Jun 2026 | 100.0% | 338 |
| 7 Jun 2026 | 99.5% | 337 |
| 6 Jun 2026 | 98.7% | 334 |
| 5 Jun 2026 | 98.3% | 333 |
| 4 Jun 2026 | 98.9% | 335 |
| 3 Jun 2026 | 99.5% | 337 |
| 2 Jun 2026 | 100.3% | 340 |
| 1 Jun 2026 | 101.2% | 342 |
| 31 May 2026 | 102.1% | 345 |
Frequently asked questions
What is the current water level of Sardis Lake?
As of June 11, 2026, Sardis Lake is at 98.5% of its capacity, holding approximately 333 hm³ of water, according to USACE CWMS (US Army Corps of Engineers) data.
Is Sardis Lake reservoir full?
Sardis Lake is essentially full, sitting at 98.5% of capacity as of June 11, 2026.
Is the water level at Sardis Lake rising or falling?
The level at Sardis Lake has been broadly stable over the latest week on record (-0.4 points).
How much water can Sardis Lake hold?
Sardis Lake has a total capacity of 338 hm³.
Where is Sardis Lake reservoir located?
Sardis Lake is located in Oklahoma, United States, within the Oklahoma basin (coordinates 34.628°N, 95.350°W).
What is Sardis Lake used for?
Sardis Lake is used primarily for multiple purposes, and is managed by USACE.