Lake levels › Iowa

Rathbun Reservoir water level today

3.2 ft above full pool

907.22ft

feet above sea level ·

vs full pool+3.2 ft
vs normal for Oct 10+3.1 ft
24 hours−0.07 ft
7 days−0.4 ft
30 days+1.5 ft
vs a year ago+2.3 ft

Is Rathbun Reservoir low right now?

Rathbun Reservoir was at 907.22 ft on October 10, 2026, 3.22 ft above its full pool of 904.0 ft. That is 3.11 ft above the typical level for October 10, within the normal range. Over the past week the lake has been falling about 0.06 ft a day.

Last 12 monthsDaily level Normal range (10–90% of past years)Full pool
902905908910913NovDecJanFebMarAprMayJunJulAugSepOct Full pool 904.0

Rathbun Reservoir on Oct 10 in past years

2025904.9+2.3
2024903.6+3.6
2023903.1+4.2
2022903.8+3.5
2021904.1+3.1
2020903.6+3.7

Level on the same date each year, and how today compares.

Daily levels, last two weeks

DateLevel (ft)Changevs full pool
Oct 10907.23−0.06+3.2
Oct 9907.29−0.13+3.3
Oct 8907.42−0.16+3.4
Oct 7907.58−0.15+3.6
Oct 6907.73−0.14+3.7
Oct 5907.87+0.03+3.9
Oct 4907.84+0.17+3.8
Oct 3907.67+0.22+3.7
Oct 2907.45+0.49+3.5
Oct 1906.96+0.69+3.0
Sep 30906.27+0.22+2.3
Sep 29906.05+0.08+2.0
Sep 28905.97+0.14+2.0
Sep 27905.83+0.05+1.8

Daily means of the operator's readings (midnight to midnight, local time).

About Rathbun Reservoir

Full pool
904.0 ft (Top of Conservation)
10-year range
902.4 ft (December 21, 2023) to 918.1 ft (June 2, 2019)
Operated by
U.S. Army Corps of Engineers
Data
U.S. Army Corps of Engineers — NWDM district, RATN
Datum
LOCAL

Lakes near Rathbun Reservoir

Questions

Is Rathbun Reservoir low right now?

Rathbun Reservoir was at 907.22 ft on October 10, 2026, 3.22 ft above its full pool of 904.0 ft. That is 3.11 ft above the typical level for October 10, within the normal range. Over the past week the lake has been falling about 0.06 ft a day.

What is full pool for Rathbun Reservoir?

Full pool (Top of Conservation) is 904.0 ft above sea level, per U.S. Army Corps of Engineers. Levels above it mean the operator is storing flood water; levels below it are normal in late summer and winter drawdowns.

How often is the Rathbun Reservoir level updated?

The operator reports every 15 minutes to an hour. This page refreshes several times a day; the time of the latest reading is shown next to the level.

Where does this data come from?

U.S. Army Corps of Engineers (NWDM district, RATN). Readings are provisional and can be revised.