Reservoir · Kansas · United States · USACE CWMS
Pomona Dam & Reservoir
81.6% full
Capacity
87.08 hm³
Volume stored
71 hm³
Coordinates
38.651°N, 95.558°W
Last updated
2026-10-09
Current fill
81.6%vs 7 days ago
-23.4%losing
vs 1 year ago
N/A7-day trend
↓falling
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: 2026-10-09.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 38.651, -95.558 · Open in Google Maps
About Pomona Dam & Reservoir
As of October 9, 2026, Pomona Dam & Reservoir is filled to 81.6% of its total capacity, holding roughly 71 hm³ of water out of a maximum 87 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has fallen by 23.4 percentage points.
Across the readings we hold for Pomona Dam & Reservoir — 328 data points between October 10, 2021 and October 9, 2026 — the level has ranged from a low of 69.2% (January 30, 2022) to a high of 105.0% (October 12, 2021). On average the reservoir is fullest around October and at its lowest around February.
It is operated by USACE primarily for multiple purposes. It lies within the Kansas basin at 38.651°N, 95.558°W.
Key facts
- Current fill level
- 81.6%
- Water stored
- 71 hm³
- Total capacity
- 87 hm³
- 7-day change
- ▼ 23.4 pts
- Primary use
- Multipurpose
- River basin
- Kansas
- Operator
- USACE
- Coordinates
- 38.651°N, 95.558°W
- Last updated
- October 9, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 9 Oct 2026 | 81.6% | 71 |
| 8 Oct 2026 | 83.0% | 72 |
| 7 Oct 2026 | 85.7% | 75 |
| 6 Oct 2026 | 90.7% | 79 |
| 5 Oct 2026 | 96.5% | 84 |
| 4 Oct 2026 | 102.2% | 89 |
| 3 Oct 2026 | 105.0% | 94 |
| 2 Oct 2026 | 105.0% | 93 |
| 1 Oct 2026 | 84.0% | 73 |
| 30 Sep 2026 | 82.3% | 72 |
| 29 Sep 2026 | 82.1% | 72 |
| 28 Sep 2026 | 82.0% | 71 |