Reservoir · Oklahoma · United States · USGS NWIS
Shawnee Reservoir
65.5% full
Capacity
42.52 hm³
Volume stored
28 hm³
Coordinates
35.347°N, 97.063°W
Last updated
2026-09-30
Current fill
65.5%vs 7 days ago
-0.6%losing
vs 1 year ago
-21.1%year-over-year
7-day trend
→stable
Data source: USGS National Water Information System (NWIS) — daily reservoir storage volume. Design capacity is unavailable for this site, so fill % is estimated against the 5-year maximum storage and may overstate fullness. Last reading: 2026-09-30.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 35.347, -97.063 · Open in Google Maps
About Shawnee Reservoir
As of September 30, 2026, Shawnee Reservoir is filled to 65.5% of its total capacity, holding roughly 28 hm³ of water out of a maximum 43 hm³. At this level the reservoir is within its normal operating range.
Over the most recent week on record the fill level has held broadly steady (-0.6 pts), and it is 21.1 points below its level on the same date a year earlier.
Across the readings we hold for Shawnee Reservoir — 1461 data points between October 1, 2022 and September 30, 2026 — the level has ranged from a low of 65.3% (September 29, 2026) to a high of 100.0% (May 6, 2025). On average the reservoir is fullest around June and at its lowest around February.
It is operated by USGS primarily for multiple purposes. It lies within the Oklahoma basin at 35.347°N, 97.063°W.
Key facts
- Current fill level
- 65.5%
- Water stored
- 28 hm³
- Total capacity
- 43 hm³
- 7-day change
- ▼ 0.6 pts
- Year-on-year
- ▼ 21.1 pts
- Primary use
- Multipurpose
- River basin
- Oklahoma
- Operator
- USGS
- Coordinates
- 35.347°N, 97.063°W
- Last updated
- September 30, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 30 Sep 2026 | 65.5% | 28 |
| 29 Sep 2026 | 65.3% | 28 |
| 28 Sep 2026 | 65.4% | 28 |
| 27 Sep 2026 | 65.6% | 28 |
| 26 Sep 2026 | 65.7% | 28 |
| 25 Sep 2026 | 65.8% | 28 |
| 24 Sep 2026 | 66.0% | 28 |
| 23 Sep 2026 | 66.1% | 28 |
| 22 Sep 2026 | 66.2% | 28 |
| 21 Sep 2026 | 66.3% | 28 |
| 20 Sep 2026 | 66.4% | 28 |
| 19 Sep 2026 | 66.6% | 28 |