Reservoir · Kansas · United States · USACE CWMS
Tuttle Creek Dam & Reservoir
49.3% full
Capacity
741.3 hm³
Volume stored
365 hm³
Coordinates
39.256°N, 96.591°W
Last updated
2026-09-11
Current fill
49.3%vs 7 days ago
-0.9%losing
vs 1 year ago
N/A7-day trend
→stable
Data source: USACE CWMS — US Army Corps of Engineers — 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: 2026-09-11.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 39.256, -96.591 · Open in Google Maps
About Tuttle Creek Dam & Reservoir
As of September 11, 2026, Tuttle Creek Dam & Reservoir is filled to 49.3% of its total capacity, holding roughly 365 hm³ of water out of a maximum 741 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 (-0.9 pts).
Across the readings we hold for Tuttle Creek Dam & Reservoir — 119 data points between May 14, 2026 and September 11, 2026 — the level has ranged from a low of 49.3% (September 8, 2026) to a high of 100.0% (June 17, 2026).
It is operated by USACE primarily for multiple purposes. It lies within the Kansas basin at 39.256°N, 96.591°W.
Key facts
- Current fill level
- 49.3%
- Water stored
- 365 hm³
- Total capacity
- 741 hm³
- 7-day change
- ▼ 0.9 pts
- Primary use
- Multipurpose
- River basin
- Kansas
- Operator
- USACE
- Coordinates
- 39.256°N, 96.591°W
- Last updated
- September 11, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 11 Sep 2026 | 49.3% | 365 |
| 10 Sep 2026 | 49.3% | 366 |
| 9 Sep 2026 | 49.3% | 366 |
| 8 Sep 2026 | 49.3% | 366 |
| 7 Sep 2026 | 49.5% | 367 |
| 6 Sep 2026 | 49.9% | 370 |
| 5 Sep 2026 | 50.0% | 371 |
| 4 Sep 2026 | 50.2% | 372 |
| 3 Sep 2026 | 50.3% | 373 |
| 2 Sep 2026 | 50.5% | 375 |
| 1 Sep 2026 | 50.7% | 375 |
| 31 Aug 2026 | 50.8% | 376 |