Reservoir · Kansas · United States · USACE CWMS
Pomona Dam & Reservoir
99.6% full
Capacity
87.08 hm³
Volume stored
87 hm³
Coordinates
38.651°N, 95.558°W
Last updated
2026-06-11
Current fill
99.6%vs 7 days ago
-3.2%losing
vs 1 year ago
+20.9%year-over-year
7-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: 2026-06-11.
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 June 11, 2026, Pomona Dam & Reservoir is filled to 99.6% of its total capacity, holding roughly 87 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 3.2 percentage points, and it is 20.9 points above its level on the same date a year earlier.
Across the readings we hold for Pomona Dam & Reservoir — 285 data points between June 15, 2023 and June 11, 2026 — the level has ranged from a low of 69.6% (March 28, 2026) to a high of 105.0% (April 28, 2026). On average the reservoir is fullest around June and at its lowest around March.
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
- 99.6%
- Water stored
- 87 hm³
- Total capacity
- 87 hm³
- 7-day change
- ▼ 3.2 pts
- Year-on-year
- ▲ 20.9 pts
- Primary use
- Multipurpose
- River basin
- Kansas
- Operator
- USACE
- Coordinates
- 38.651°N, 95.558°W
- Last updated
- June 11, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 11 Jun 2026 | 99.6% | 87 |
| 10 Jun 2026 | 102.8% | 90 |
| 9 Jun 2026 | 102.7% | 89 |
| 8 Jun 2026 | 97.3% | 85 |
| 7 Jun 2026 | 98.3% | 86 |
| 6 Jun 2026 | 100.8% | 88 |
| 5 Jun 2026 | 105.0% | 91 |
| 4 Jun 2026 | 105.0% | 96 |
| 3 Jun 2026 | 105.0% | 101 |
| 2 Jun 2026 | 105.0% | 106 |
| 1 Jun 2026 | 105.0% | 108 |
| 31 May 2026 | 105.0% | 103 |
Frequently asked questions
What is the current water level of Pomona Dam & Reservoir?
As of June 11, 2026, Pomona Dam & Reservoir is at 99.6% of its capacity, holding approximately 87 hm³ of water, according to USACE CWMS (US Army Corps of Engineers) data.
Is Pomona Dam & Reservoir reservoir full?
Pomona Dam & Reservoir is essentially full, sitting at 99.6% of capacity as of June 11, 2026.
Is the water level at Pomona Dam & Reservoir rising or falling?
The level at Pomona Dam & Reservoir is falling — it dropped 3.2 percentage points over the latest week on record.
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.