Reservoir · Kansas · United States · USACE CWMS
Perry Dam & Reservoir
30.2% full
Capacity
949.78 hm³
Volume stored
287 hm³
Coordinates
39.113°N, 95.427°W
Last updated
2026-07-31
Current fill
30.2%vs 7 days ago
+0.3%gaining
vs 1 year ago
-12.8%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: 2026-07-31.
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 July 31, 2026, Perry Dam & Reservoir is filled to 30.2% of its total capacity, holding roughly 287 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 (+0.3 pts), and it is 12.8 points below its level on the same date a year earlier.
Across the readings we hold for Perry Dam & Reservoir — 328 data points between August 1, 2021 and July 31, 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
- 30.2%
- Water stored
- 287 hm³
- Total capacity
- 950 hm³
- 7-day change
- ▲ 0.3 pts
- Year-on-year
- ▼ 12.8 pts
- Primary use
- Multipurpose
- River basin
- Kansas
- Operator
- USACE
- Coordinates
- 39.113°N, 95.427°W
- Last updated
- July 31, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 31 Jul 2026 | 30.2% | 287 |
| 30 Jul 2026 | 29.9% | 284 |
| 29 Jul 2026 | 29.9% | 284 |
| 28 Jul 2026 | 29.9% | 284 |
| 27 Jul 2026 | 29.8% | 283 |
| 26 Jul 2026 | 29.9% | 284 |
| 25 Jul 2026 | 29.9% | 284 |
| 24 Jul 2026 | 29.8% | 283 |
| 23 Jul 2026 | 29.6% | 282 |
| 22 Jul 2026 | 29.7% | 282 |
| 21 Jul 2026 | 29.8% | 283 |
| 20 Jul 2026 | 29.8% | 283 |
Frequently asked questions
What is the current water level of Perry Dam & Reservoir?
As of July 31, 2026, Perry Dam & Reservoir is at 30.2% of its capacity, holding approximately 287 hm³ of water, according to USACE CWMS (US Army Corps of Engineers) data.
Is Perry Dam & Reservoir reservoir full?
No. As of July 31, 2026, Perry Dam & Reservoir is low at 30.2% of its capacity, so it is not full.
Is the water level at Perry Dam & Reservoir rising or falling?
The level at Perry Dam & Reservoir has been broadly stable over the latest week on record (+0.3 points).
How much water can Perry Dam & Reservoir hold?
Perry Dam & Reservoir has a total capacity of 950 hm³.
Where is Perry Dam & Reservoir reservoir located?
Perry Dam & Reservoir is located in Kansas, United States, within the Kansas basin (coordinates 39.113°N, 95.427°W).
What is Perry Dam & Reservoir used for?
Perry Dam & Reservoir is used primarily for multiple purposes, and is managed by USACE.