Reservoir · Kansas · United States · USACE CWMS
Perry Dam & Reservoir
28.9% full
Capacity
949.78 hm³
Volume stored
275 hm³
Coordinates
39.113°N, 95.427°W
Last updated
2026-09-14
Current fill
28.9%vs 7 days ago
0.0%stable
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: 2026-09-14.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 39.113, -95.427 · Open in Google Maps
About Perry Dam & Reservoir
As of September 14, 2026, Perry Dam & Reservoir is filled to 28.9% of its total capacity, holding roughly 275 hm³ of water out of a maximum 950 hm³. At this level the reservoir is low.
Over the most recent week on record the fill level has held broadly steady (+0.0 pts).
Across the readings we hold for Perry Dam & Reservoir — 328 data points between September 15, 2021 and September 14, 2026 — the level has ranged from a low of 23.4% (January 26, 2022) to a high of 45.0% (June 14, 2026). On average the reservoir is fullest around June and at its lowest around February.
It is operated by USACE primarily for multiple purposes. It lies within the Kansas basin at 39.113°N, 95.427°W.
Key facts
- Current fill level
- 28.9%
- Water stored
- 275 hm³
- Total capacity
- 950 hm³
- 7-day change
- No change
- Primary use
- Multipurpose
- River basin
- Kansas
- Operator
- USACE
- Coordinates
- 39.113°N, 95.427°W
- Last updated
- September 14, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 14 Sep 2026 | 28.9% | 275 |
| 13 Sep 2026 | 28.9% | 274 |
| 12 Sep 2026 | 29.0% | 275 |
| 11 Sep 2026 | 28.9% | 275 |
| 10 Sep 2026 | 29.0% | 275 |
| 9 Sep 2026 | 28.9% | 274 |
| 8 Sep 2026 | 28.9% | 274 |
| 7 Sep 2026 | 28.9% | 275 |
| 6 Sep 2026 | 29.0% | 276 |
| 5 Sep 2026 | 29.0% | 276 |
| 4 Sep 2026 | 29.1% | 276 |
| 3 Sep 2026 | 29.1% | 276 |