538.85 ft NGVD29
level 0.9 ft above full pool — this gauge's public record is too short for seasonal comparisons
Reading comes straight from U.S. Geological Survey National Water Information System (USGS gauge 03372400) and updates live when you load this page.
This year vs the years that matter
This year's trace against last year and the driest and wettest years on record — the drought-context question every lake regular asks.
- 2026 (wettest on record)
- 2024 (driest on record)
- 2025 (last year)
Full pool, datum, and the gauge
"Full pool" here means the conservation pool — the level the lake is designed to hold for water supply and recreation, not the flood-control space above it. The full explainer covers flood pool and dead pool too.
| Full pool | 538.00 ft NGVD29 · per USACE Louisville District / Indiana DNR full-pool reference |
|---|---|
| Conservation capacity | 182,200 acre-feet · per USACE Louisville District / Indiana DNR capacity reference |
| Gauge | USGS gauge 03372400 · U.S. Geological Survey National Water Information System |
| Datum | NGVD29 — 62614 NGVD29 matches the LRL project datum. Top of normal (summer) pool 538.0. |
| Last verified | August 15, 2026 |
LakeDates reports lake level, not ramp status. Whether a given ramp or marina is usable at this level varies ramp by ramp — call the marina before you tow.
Quick answers
How full is Monroe Lake right now?
Monroe Lake is at 538.85 ft (NGVD29) as of August 14, 2026 — 0.9 ft above full pool — this gauge's public record is too short for seasonal comparisons
Is Monroe Lake full?
Yes and then some — at 538.85 ft, Monroe Lake is 0.9 ft above its full pool of 538.00 ft (NGVD29), using flood storage.
What is full pool for Monroe Lake?
Full pool (the conservation pool) for Monroe Lake is 538.00 ft NGVD29, per USACE Louisville District / Indiana DNR full-pool reference. Levels above it use flood storage; levels below it are drawdown.