Lake levels › Indiana

Heron Lake water level today

Normal for this time of year

722.17ft

feet above sea level ·

vs normal for Oct 10+0.1 ft
24 hours−0.02 ft
7 days−0.2 ft
30 days−0.6 ft
vs a year ago+0.4 ft

Is Heron Lake low right now?

Heron Lake was at 722.17 ft on October 10, 2026. That is 0.14 ft above the typical level for October 10, within the normal range. Over the past week the lake has been falling about 0.03 ft a day.

Last 12 monthsDaily level Normal range (10–90% of past years)
720721723724726NovDecJanFebMarAprMayJunJulAugSepOct

Heron Lake on Oct 10 in past years

2025721.8+0.4
2024721.4+0.8
2023721.4+0.8
2022721.9+0.3
2021722.2−0.1
2020721.7+0.5

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

Daily levels, last two weeks

DateLevel (ft)Change
Oct 10722.18−0.01
Oct 9722.19−0.03
Oct 8722.22−0.02
Oct 7722.24−0.03
Oct 6722.27−0.03
Oct 5722.30−0.03
Oct 4722.33−0.03
Oct 3722.36−0.02
Oct 2722.38+0.02
Oct 1722.36−0.03
Sep 30722.39−0.03
Sep 29722.42−0.03
Sep 28722.45−0.03
Sep 27722.48−0.03

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

About Heron Lake

10-year range
720.4 ft (March 1, 2026) to 726.5 ft (May 17, 2019)
Data
U.S. Geological Survey — USGS 03352695
Datum
NAVD88 (gage datum 718.04 ft + gage height)

Lakes near Heron Lake

Questions

Is Heron Lake low right now?

Heron Lake was at 722.17 ft on October 10, 2026. That is 0.14 ft above the typical level for October 10, within the normal range. Over the past week the lake has been falling about 0.03 ft a day.

How often is the Heron Lake 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. Geological Survey (USGS 03352695). Readings are provisional and can be revised.