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Reservoir · Kansas · United States · BOR RISE

Webster Reservoir and Dam

13.9% full

Capacity

95.44 hm³

Volume stored

13 hm³

Coordinates

39.391°N, 99.426°W

Last updated

2026-06-10

Current fill

13.9%
Critical

vs 7 days ago

0.0%

stable

vs 1 year ago

-0.5%

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: 2026-06-10.

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 June 10, 2026, Webster Reservoir and Dam is filled to 13.9% of its total capacity, holding roughly 13 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 sits close to where it was a year earlier.

Across the readings we hold for Webster Reservoir and Dam — 1816 data points between June 13, 2021 and June 10, 2026 — the level has ranged from a low of 13.8% (May 29, 2026) to a high of 105.0% (June 13, 2021). On average the reservoir is fullest around June and at its lowest around November.

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
13.9%
Water stored
13 hm³
Total capacity
95 hm³
7-day change
No change
Year-on-year
▼ 0.5 pts
Primary use
Multipurpose
River basin
Kansas
Operator
BOR
Coordinates
39.391°N, 99.426°W
Last updated
June 10, 2026

Recent readings

DateFill levelVolume (hm³)
10 Jun 202613.9%13
9 Jun 202613.9%13
8 Jun 202613.9%13
7 Jun 202614.0%13
6 Jun 202614.0%13
5 Jun 202614.0%13
4 Jun 202614.0%13
3 Jun 202613.9%13
2 Jun 202613.9%13
1 Jun 202613.9%13
31 May 202613.9%13
30 May 202614.0%13

Frequently asked questions

What is the current water level of Webster Reservoir and Dam?

As of June 10, 2026, Webster Reservoir and Dam is at 13.9% of its capacity, holding approximately 13 hm³ of water, according to BOR RISE (US Bureau of Reclamation) data.

Is Webster Reservoir and Dam reservoir full?

No. As of June 10, 2026, Webster Reservoir and Dam is critically low at 13.9% 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.

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