Reservoir · Kansas · United States · USACE CWMS
Pomona Dam & Reservoir
81.7% full
Capacity
87.08 hm³
Volume stored
71 hm³
Coordinates
38.651°N, 95.558°W
Last updated
2026-07-30
Current fill
81.7%vs 7 days ago
-0.1%losing
vs 1 year ago
-16.6%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: 2026-07-30.
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 July 30, 2026, Pomona Dam & Reservoir is filled to 81.7% 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 held broadly steady (-0.1 pts), and it is 16.6 points below its level on the same date a year earlier.
Across the readings we hold for Pomona Dam & Reservoir — 119 data points between April 1, 2026 and July 30, 2026 — the level has ranged from a low of 69.8% (April 1, 2026) to a high of 105.0% (April 28, 2026).
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
- 81.7%
- Water stored
- 71 hm³
- Total capacity
- 87 hm³
- 7-day change
- ▼ 0.1 pts
- Year-on-year
- ▼ 16.6 pts
- Primary use
- Multipurpose
- River basin
- Kansas
- Operator
- USACE
- Coordinates
- 38.651°N, 95.558°W
- Last updated
- July 30, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 30 Jul 2026 | 81.7% | 71 |
| 29 Jul 2026 | 81.8% | 71 |
| 28 Jul 2026 | 82.1% | 71 |
| 27 Jul 2026 | 82.3% | 72 |
| 26 Jul 2026 | 82.5% | 72 |
| 25 Jul 2026 | 82.6% | 72 |
| 24 Jul 2026 | 82.0% | 71 |
| 23 Jul 2026 | 81.9% | 71 |
| 22 Jul 2026 | 83.3% | 73 |
| 21 Jul 2026 | 84.9% | 74 |
| 20 Jul 2026 | 86.5% | 75 |
| 19 Jul 2026 | 88.0% | 77 |
Frequently asked questions
What is the current water level of Pomona Dam & Reservoir?
As of July 30, 2026, Pomona Dam & Reservoir is at 81.7% of its capacity, holding approximately 71 hm³ of water, according to USACE CWMS (US Army Corps of Engineers) data.
Is Pomona Dam & Reservoir reservoir full?
No. As of July 30, 2026, Pomona Dam & Reservoir is high at 81.7% of its capacity, so it is not full.
Is the water level at Pomona Dam & Reservoir rising or falling?
The level at Pomona Dam & Reservoir has been broadly stable over the latest week on record (-0.1 points).
How much water can Pomona Dam & Reservoir hold?
Pomona Dam & Reservoir has a total capacity of 87 hm³.
Where is Pomona Dam & Reservoir reservoir located?
Pomona Dam & Reservoir is located in Kansas, United States, within the Kansas basin (coordinates 38.651°N, 95.558°W).
What is Pomona Dam & Reservoir used for?
Pomona Dam & Reservoir is used primarily for multiple purposes, and is managed by USACE.