Reservoir · Kansas · United States · USACE CWMS
Pomona Dam & Reservoir
81.7% full
Capacity
87.08 hm³
Volume stored
71 hm³
Vs month average
97% of normal
Coordinates
38.651°N, 95.558°W
Last updated
2026-10-28
Current fill
81.7%vs 7 days ago
-0.1 pplosing
vs 1 year ago
N/A7-day trend
→stable
Drought context
Storage vs October average
97%of normal
81.7% full on 2026-10-28, against an average of 84.5% for October across 2 years of readings (-2.8 points).
Drought Monitor at this site · 20 October 2026
Nonenot in a drought category
Pomona Dam & Reservoir's coordinates fall outside every category on the weekly U.S. Drought Monitor map. That describes local conditions — rainfall, soil moisture, streamflow — not the reservoir's storage. Kansas drought figures →
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: 2026-10-28.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 38.651°N, 95.558°W · Open in Google Maps
About Pomona Dam & Reservoir
As of October 28, 2026, Pomona Dam & Reservoir is filled to 81.7% of its total capacity, holding 71.17 hm³ of water out of a maximum 87.08 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (-0.1 pp).
Across the readings we hold for Pomona Dam & Reservoir — 306 data points between October 30, 2021 and October 28, 2026 — the level has ranged from a low of 69.2% (January 30, 2022) to a high of 104.3% (May 16, 2022). On average the reservoir is fullest around May and at its lowest around February.
It is operated by USACE primarily for multiple purposes. It is at 38.651°N, 95.558°W.
Key facts
- Current fill level
- 81.7% of total capacity
- Water stored
- 71.17 hm³
- Total capacity
- 87.08 hm³
- 7-day change
- ▼ 0.1 pp
- Primary use
- Multipurpose
- Operator
- USACE
- Coordinates
- 38.651°N, 95.558°W
- Last updated
- October 28, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 28 Oct 2026 | 81.7% | 71.17 |
| 27 Oct 2026 | 81.8% | 71.22 |
| 26 Oct 2026 | 81.8% | 71.27 |
| 25 Oct 2026 | 81.8% | 71.22 |
| 24 Oct 2026 | 81.7% | 71.17 |
| 23 Oct 2026 | 81.8% | 71.22 |
| 22 Oct 2026 | 81.8% | 71.22 |
| 21 Oct 2026 | 81.8% | 71.22 |
| 20 Oct 2026 | 81.7% | 71.12 |
| 19 Oct 2026 | 81.7% | 71.12 |
| 18 Oct 2026 | 81.6% | 71.07 |
| 17 Oct 2026 | 81.6% | 71.07 |

