Harlan County Lake Water Level

Nebraska · updated daily from the U.S. Geological Survey

1933.74 ft

Harlan County Lake is current reading available and falling (-0.49 ft in the last 7 days).

Change since yesterday: +0.00 ft

Reading as of 2026-08-15

Where Harlan County Lake sits historically

TODAY 1933.74 ftRECORD LOW1933.71 ft2026-08-13RECORD HIGH1937.84 ft2026-06-10

Today's level compared with every reading in our 0.3-year record for this lake.

Since yesterday

+0.00 ft

7-day change

-0.49 ft

30-day change

-2.47 ft

1-year change

— ft

Last 30 days

2026-07-161933.4–1936.5 ft2026-08-15

Last 12 months

2026-04-171933.2–1938.3 ft2026-08-15

Harlan County Lake records and averages

Current level1933.74 ft
Record high1937.84 ft (2026-06-10)
Record low1933.71 ft (2026-08-13)
Average of all readings1936.79 ft
Data span0.3 years (121 readings)

Frequently asked questions

Is Harlan County Lake full right now?

As of 2026-08-15, Harlan County Lake sits at 1933.74 ft, which is current reading available.Over the past 30 days the level has fallen 2.47 ft.

What is the water level at Harlan County Lake today?

The most recent reading is 1933.74 ft (2026-08-15), sourced from the U.S. Geological Survey. Readings on this page refresh automatically as the agency publishes new data.

What is the highest Harlan County Lake has ever been?

The highest level in our records is 1937.84 ft on 2026-06-10. The lowest is 1933.71 ft on 2026-08-13. Our record covers about 0.3 years of readings.

Why is Harlan County Lake low 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. Harlan County Lake has fallen 2.47 ft over the past 30 days. For the operational reason on any given week, check the U.S. Geological Survey directly.

How much has Harlan County Lake changed over the past year?

Year-over-year comparison is not available for this lake yet. The full-history chart above covers 0.3 years, with a record high of 1937.84 ft and a record low of 1933.71 ft.

Nearby lakes in Nebraska

Hugh Butler Lake and Red Willow water level
2564.97 ft · steady
Calamus Reservoir and Virginia Smith water level
2236.58 ft · falling
Swanson Lake and Trenton water level
2736.68 ft · rising
Merritt Reservoir water level
2937.52 ft · falling
Box Butte Reservoir water level
3985.78 ft · falling
Lake Minatare water level
4097.93 ft · steady

Source: the U.S. Geological Survey. Readings are provisional and subject to revision by the publishing agency. All Nebraska lake levels.