States

Cedar Bluff Reservoir

near Ellis, KS · Kansas · USGS gauge
2,1172,1182,1192,1202,121
Grey bar: recent range 2,118.6–2,118.9 ft.
Water level · NGVD29
2,118.64FT
Gauge elevation · no % full published
7 days −0.04 ft30 days +0.01 ftvs last year −1.92 ft
Reading for Oct 25, 2026, 18:15 UTC · page refreshed Oct 25, 21:16 UTC
Source: U.S. Geological Survey (Water Data for the Nation)
Worth going today?This Afternoon
Storms in the forecast
Light wind, 74% chance of rain
Wind7 mph
Rain74%
Temp65°F
Level2,118.6 ft
This AfternoonChance Showers And Thunderstorms · 65°F
SE 7 mph · rain 74%
TonightShowers And Thunderstorms · 54°F
SE 6 to 10 mph · rain 93%
NWS forecast for the gauge location. Good = wind ≤ 10 mph and rain ≤ 30%; storms are flagged. Not safety advice – check local conditions, closures and warnings.

Level history

Last 30 days of daily means.

2,118.52,119.0ftSep 24Oct 2Oct 9Oct 16Oct 24
2,118.52,119.0ftSep 24Oct 9Oct 24

Field notes

Cedar Bluff Reservoir's latest daily level (Oct 25, 2026) is 2,118.64 (NGVD29) ft.

The level has been roughly steady over the past week (−0.04 ft).

Compared with a year ago (2,120.56 ft, same time of day), the lake is 1.92 ft lower.

Readings come from the USGS gauge “CEDAR BLUFF RE NR ELLIS, KS”. Gauge elevations are not directly comparable between lakes because each uses its own datum.

Lake facts

Gauge / stationCEDAR BLUFF RE NR ELLIS, KS
Elevation datumft (NGVD29)
Gauge location38.7892, -99.7207

Nearby lakes

Webster Reservoir45 mi N1,865.58 ft−0.06 ftHorsethief Reservoir53 mi S2,419.77 ft−0.09 ftWilson Lake67 mi E1,511.12 ft−0.08 ftKirwin Reservoir68 mi NE1,704.22 ft+0.25 ftKeith Sebelius Lake71 mi N2,288.87 ft−0.06 ft

Common questions

Is Cedar Bluff Reservoir rising or falling?

Over the last 7 days it changed −0.04 ft and over 30 days +0.01 ft.

How full is Cedar Bluff Reservoir?

USGS publishes the water surface elevation for this gauge but not a percent-full figure, so we don't show one rather than estimate it.

How often is this page updated?

The page is rebuilt automatically every day from USGS's published data. Values can be revised later by the source agency.

Where does the data come from?

The U.S. Geological Survey's Water Data API (api.waterdata.usgs.gov), which publishes readings from USGS and partner gauges. Forecasts come from the National Weather Service.

Latest instantaneous reading; 7-day, 30-day and year-ago changes compare readings at the same hour. USGS data are provisional and subject to revision. This page is not affiliated with or endorsed by the USGS. See data sources.