Webster Reservoir Water Level

Kansas · updated daily from the U.S. Bureau of Reclamation

1866.10 ft

Webster Reservoir is low for this time of year and steady (-0.13 ft in the last 7 days).

Change since yesterday: -0.02 ft

Reading as of 2026-08-14 · higher than 0% of August readings on record

Where Webster Reservoir sits historically

TODAY 1866.1 ftRECORD LOW1865.42 ft2026-06-19RECORD HIGH1894.59 ft2021-06-03

Today's level compared with every reading in our 5.5-year record for this lake.

Since yesterday

-0.02 ft

7-day change

-0.13 ft

30-day change

-0.59 ft

1-year change

-0.72 ft

Last 30 days

2026-07-151866.0–1866.8 ft2026-08-14

Last 12 months

2025-08-141865.2–1867.0 ft2026-08-14

Full history (5.5 years)

2021-02-131861.9–1898.0 ft2026-08-13

Webster Reservoir records and averages

Current level1866.10 ft
Record high1894.59 ft (2021-06-03)
Record low1865.42 ft (2026-06-19)
Average of all readings1877.99 ft
Data span5.5 years (2,000 readings)

Frequently asked questions

Is Webster Reservoir full right now?

As of 2026-08-14, Webster Reservoir sits at 1866.10 ft, which is low for this time of year.Over the past 30 days the level has fallen 0.59 ft.

What is the water level at Webster Reservoir today?

The most recent reading is 1866.10 ft (2026-08-14), sourced from the U.S. Bureau of Reclamation. Readings on this page refresh automatically as the agency publishes new data.

What is the highest Webster Reservoir has ever been?

The highest level in our records is 1894.59 ft on 2021-06-03. The lowest is 1865.42 ft on 2026-06-19. Our record covers about 5.5 years of readings.

Is Webster Reservoir low for this time of year?

Compared with every August in our records, the current level is higher than 0% of them — low for this time of year. Seasonal comparison matters more than the raw number, because most reservoirs draw down predictably through late summer and refill over winter and spring.

Why is Webster Reservoir changing right now?

Reservoir levels move for four main reasons: rainfall and runoff into the basin, releases through the dam for downstream water supply, power generation or flood control, evaporation during hot months, and seasonal drawdown schedules set by the operating agency. Webster Reservoir has fallen 0.59 ft over the past 30 days. For the operational reason on any given week, check the U.S. Bureau of Reclamation directly.

How much has Webster Reservoir changed over the past year?

The level is -0.72 ft compared with this date last year (1866.10 ft today). The full-history chart above covers 5.5 years, with a record high of 1894.59 ft and a record low of 1865.42 ft.

Nearby lakes in Kansas

Kirwin Reservoir water level
1706.58 ft · falling
Keith Sebelius Lake and Norton water level
2289.14 ft · steady
Waconda Lake and Glen Elder water level
1453.88 ft · falling
Lovewell Reservoir water level
1576.42 ft · falling
Cheney Reservoir water level
1421.11 ft · falling
Milford Lake water level
1146.35 ft · steady

Source: the U.S. Bureau of Reclamation. Readings are provisional and subject to revision by the publishing agency. All Kansas lake levels.