Reservoir · Kansas · United States · USACE CWMS
Tuttle Creek Dam & Reservoir
55.7% full
Capacity
741.3 hm³
Volume stored
413 hm³
Coordinates
39.256°N, 96.591°W
Last updated
2026-07-30
Current fill
55.7%vs 7 days ago
-0.1%losing
vs 1 year ago
-29.0%year-over-year
7-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: 2026-07-30.
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 July 30, 2026, Tuttle Creek Dam & Reservoir is filled to 55.7% of its total capacity, holding roughly 413 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 (-0.1 pts), and it is 29.0 points below its level on the same date a year earlier.
Across the readings we hold for Tuttle Creek Dam & Reservoir — 328 data points between July 31, 2021 and July 30, 2026 — the level has ranged from a low of 37.6% (January 4, 2022) to a high of 100.0% (June 17, 2026). On average the reservoir is fullest around June and at its lowest around January.
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
- 55.7%
- Water stored
- 413 hm³
- Total capacity
- 741 hm³
- 7-day change
- ▼ 0.1 pts
- Year-on-year
- ▼ 29.0 pts
- Primary use
- Multipurpose
- River basin
- Kansas
- Operator
- USACE
- Coordinates
- 39.256°N, 96.591°W
- Last updated
- July 30, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 30 Jul 2026 | 55.7% | 413 |
| 29 Jul 2026 | 55.8% | 414 |
| 28 Jul 2026 | 55.7% | 413 |
| 27 Jul 2026 | 55.6% | 412 |
| 26 Jul 2026 | 55.5% | 412 |
| 25 Jul 2026 | 55.5% | 411 |
| 24 Jul 2026 | 54.7% | 406 |
| 23 Jul 2026 | 53.1% | 393 |
| 22 Jul 2026 | 53.1% | 394 |
| 21 Jul 2026 | 53.3% | 395 |
| 20 Jul 2026 | 53.2% | 394 |
| 19 Jul 2026 | 53.5% | 396 |
Frequently asked questions
What is the current water level of Tuttle Creek Dam & Reservoir?
As of July 30, 2026, Tuttle Creek Dam & Reservoir is at 55.7% of its capacity, holding approximately 413 hm³ of water, according to USACE CWMS (US Army Corps of Engineers) data.
Is Tuttle Creek Dam & Reservoir reservoir full?
No. As of July 30, 2026, Tuttle Creek Dam & Reservoir is within its normal operating range at 55.7% of its capacity, so it is not full.
Is the water level at Tuttle Creek Dam & Reservoir rising or falling?
The level at Tuttle Creek Dam & Reservoir has been broadly stable over the latest week on record (-0.1 points).
How much water can Tuttle Creek Dam & Reservoir hold?
Tuttle Creek Dam & Reservoir has a total capacity of 741 hm³.
Where is Tuttle Creek Dam & Reservoir reservoir located?
Tuttle Creek Dam & Reservoir is located in Kansas, United States, within the Kansas basin (coordinates 39.256°N, 96.591°W).
What is Tuttle Creek Dam & Reservoir used for?
Tuttle Creek Dam & Reservoir is used primarily for multiple purposes, and is managed by USACE.