Reservoir · Kansas · United States · BOR RISE
Webster Reservoir and Dam
15.4% full
Capacity
95.44 hm³
Volume stored
15 hm³
Coordinates
39.391°N, 99.426°W
Last updated
2026-07-28
Current fill
15.4%vs 7 days ago
0.0%stable
vs 1 year ago
+1.4%year-over-year
7-day trend
→stable
Data source: BOR RISE — US Bureau of Reclamation — 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: 2026-07-28.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 39.391, -99.426 · Open in Google Maps
About Webster Reservoir and Dam
As of July 28, 2026, Webster Reservoir and Dam is filled to 15.4% of its total capacity, holding roughly 15 hm³ of water out of a maximum 95 hm³. At this level the reservoir is critically low.
Over the most recent week on record the fill level has held broadly steady (+0.0 pts), and it is 1.4 points above its level on the same date a year earlier.
Across the readings we hold for Webster Reservoir and Dam — 1815 data points between July 31, 2021 and July 28, 2026 — the level has ranged from a low of 9.9% (July 1, 2026) to a high of 91.7% (July 31, 2021). On average the reservoir is fullest around August and at its lowest around July.
It is operated by BOR primarily for multiple purposes. It lies within the Kansas basin at 39.391°N, 99.426°W.
Key facts
- Current fill level
- 15.4%
- Water stored
- 15 hm³
- Total capacity
- 95 hm³
- 7-day change
- No change
- Year-on-year
- ▲ 1.4 pts
- Primary use
- Multipurpose
- River basin
- Kansas
- Operator
- BOR
- Coordinates
- 39.391°N, 99.426°W
- Last updated
- July 28, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 28 Jul 2026 | 15.4% | 15 |
| 27 Jul 2026 | 15.4% | 15 |
| 26 Jul 2026 | 15.5% | 15 |
| 25 Jul 2026 | 15.5% | 15 |
| 24 Jul 2026 | 15.5% | 15 |
| 23 Jul 2026 | 15.5% | 15 |
| 22 Jul 2026 | 15.6% | 15 |
| 21 Jul 2026 | 15.7% | 15 |
| 20 Jul 2026 | 15.7% | 15 |
| 19 Jul 2026 | 15.7% | 15 |
| 18 Jul 2026 | 15.7% | 15 |
| 17 Jul 2026 | 15.7% | 15 |
Frequently asked questions
What is the current water level of Webster Reservoir and Dam?
As of July 28, 2026, Webster Reservoir and Dam is at 15.4% of its capacity, holding approximately 15 hm³ of water, according to BOR RISE (US Bureau of Reclamation) data.
Is Webster Reservoir and Dam reservoir full?
No. As of July 28, 2026, Webster Reservoir and Dam is critically low at 15.4% of its capacity, so it is not full.
Is the water level at Webster Reservoir and Dam rising or falling?
The level at Webster Reservoir and Dam has been broadly stable over the latest week on record (0.0 points).
How much water can Webster Reservoir and Dam hold?
Webster Reservoir and Dam has a total capacity of 95 hm³.
Where is Webster Reservoir and Dam reservoir located?
Webster Reservoir and Dam is located in Kansas, United States, within the Kansas basin (coordinates 39.391°N, 99.426°W).
What is Webster Reservoir and Dam used for?
Webster Reservoir and Dam is used primarily for multiple purposes, and is managed by BOR.