Monroe Lake Water Level
Indiana · updated daily from the U.S. Geological Survey
538.86 ft
Monroe Lake is current reading available and falling (-1.07 ft in the last 7 days).
Change since yesterday: +0.04 ft
Reading as of 2026-08-15
Where Monroe Lake sits historically
Today's level compared with every reading in our 0.3-year record for this lake.
Since yesterday
+0.04 ft
7-day change
-1.07 ft
30-day change
-8.21 ft
1-year change
— ft
Last 30 days
Last 12 months
Monroe Lake records and averages
| Current level | 538.86 ft |
|---|---|
| Record high | 551.07 ft (2026-05-29) |
| Record low | 538.78 ft (2026-08-13) |
| Average of all readings | 546.6 ft |
| Data span | 0.3 years (121 readings) |
Frequently asked questions
Is Monroe Lake full right now?
As of 2026-08-15, Monroe Lake sits at 538.86 ft, which is current reading available.Over the past 30 days the level has fallen 8.21 ft.
What is the water level at Monroe Lake today?
The most recent reading is 538.86 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 Monroe Lake has ever been?
The highest level in our records is 551.07 ft on 2026-05-29. The lowest is 538.78 ft on 2026-08-13. Our record covers about 0.3 years of readings.
Why is Monroe 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. Monroe Lake has fallen 8.21 ft over the past 30 days. For the operational reason on any given week, check the U.S. Geological Survey directly.
How much has Monroe 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 551.07 ft and a record low of 538.78 ft.
Nearby lakes in Indiana
Source: the U.S. Geological Survey. Readings are provisional and subject to revision by the publishing agency. All Indiana lake levels.