Kansas · Bureau of Reclamation (Webster Dam)

Webster Reservoir water level

Today's reading against full pool and Webster Reservoir's own seasonal history.

FULL POOL 1870 1880 1890
Elevation, feet (project datum)

as of August 20, 2026

1866.07 ft project datum

level 26.4 ft below full pool — unusually low for mid-August

Reading comes straight from U.S. Army Corps of Engineers Access to Water data (USACE series WEBR.Elev.Inst.1Hour.0.Best-NWK) and updates live when you load this page.


Webster Reservoir through the year

The band is the lake's own normal: where the level has run on each calendar day, 2012–2026. The summer drawdown — and how this year sits in it — shows up without reading a single number.

full pool 1870 1880 1890 JFMAMJJASOND
Median and normal range by day of year, 2012–2026 · elevation, feet (project datum)

This year vs the years that matter

This year's trace against last year and the driest and wettest years on record — the drought-context question every lake regular asks.

full pool 1870 1880 1890 1900 JFMAMJJASOND
  • 2026 (this year)
  • 2025 (last year, driest on record)
  • 2019 (wettest on record)

Full pool, datum, and the gauge

"Full pool" here means the conservation pool — the level the lake is designed to hold for water supply and recreation, not the flood-control space above it. The full explainer covers flood pool and dead pool too.

Full pool 1892.45 ft project datum · per Bureau of Reclamation (Webster Dam) full-pool reference
Conservation capacity 76,157 acre-feet · per Bureau of Reclamation (Webster Dam) capacity reference
Gauge USACE series WEBR.Elev.Inst.1Hour.0.Best-NWK · U.S. Army Corps of Engineers Access to Water data
Datum project datum — The district publishes the gauge and the top of conservation pool figure in the project's own datum, so the two compare like for like.
Last verified August 20, 2026

LakeDates reports lake level, not ramp status. Whether a given ramp or marina is usable at this level varies ramp by ramp — call the marina before you tow.

Quick answers

How full is Webster Reservoir right now?

Webster Reservoir is at 1866.07 ft (project datum) as of August 20, 2026 — 26.4 ft below full pool — unusually low for mid-August

Is Webster Reservoir full?

Not quite — at 1866.07 ft, Webster Reservoir is 26.4 ft below its full pool of 1892.45 ft (project datum).

What is full pool for Webster Reservoir?

Full pool (the conservation pool) for Webster Reservoir is 1892.45 ft project datum, per Bureau of Reclamation (Webster Dam) full-pool reference. Levels above it use flood storage; levels below it are drawdown.