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Indiana · USACE Louisville District

Cecil M. Harden Lake water level

Today's reading against full pool and Cecil M. Harden Lake's own seasonal history.

Searched “Cecil M. Harden lake level” or “lake level for Cecil M. Harden Lake”? Same lake, same reading — you're in the right place. The current reading is right here too, whether you typed “current Cecil M. Harden Lake water level” or “current water level at Cecil M. Harden Lake”.

FULL POOL 658 660 662
Elevation, feet (NGVD29)

as of September 30, 2026

662.09 ft NGVD29

level 0.1 ft above full pool — on the high side for late September

Reading comes straight from U.S. Army Corps of Engineers Access to Water data (USACE lake gauge) and updates live when you load this page.

Is Cecil M. Harden Lake full?

Yes, and then some — 0.1 ft above full pool as of September 30, 2026

How full is Cecil M. Harden Lake? Not as a percentage: no storage figure comes through with this gauge reading, and a share of capacity worked out from the elevation alone would be a guess — how much water a reservoir holds at a given level is a curve only the operator's own capacity table knows. Feet from full pool is what the operator publishes, and it is the figure above.

Cecil M. Harden Lake through the year

The band is the lake's own normal: where the level has run on each calendar day, 2002–2026. The summer drawdown — and how this year sits in it — shows up without reading a single number.

full pool 640 650 660 670 JFMAMJJASOND
Median and normal range by day of year, 2002–2026 · elevation, feet (NGVD29)

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.

full pool 640 650 660 670 680 JFMAMJJASOND
  • 2026 (this year)
  • 2025 (last year)
  • 2005 (wettest on record)
  • 2012 (driest on record)

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 662.00 ft NGVD29 · per USACE Louisville District full-pool reference
Conservation capacity 51,347 acre-feet · per USACE Louisville District capacity reference
Gauge USACE lake gauge · U.S. Army Corps of Engineers Access to Water data
Datum NGVD29 — 662 ft is the district's top of conservation pool figure, in the same NGVD29 datum as the gauge.
Last verified August 20, 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

What is the lake level for Cecil M. Harden Lake today?

Cecil M. Harden Lake is at 662.09 ft (NGVD29) as of September 30, 2026 — 0.1 ft above full pool — on the high side for late September.

Is Cecil M. Harden Lake full?

Yes and then some — at 662.09 ft on September 30, 2026, Cecil M. Harden Lake is 0.1 ft above its full pool of 662.00 ft (NGVD29), using flood storage.

How full is Cecil M. Harden Lake?

Not as a percentage: no storage figure comes through with this gauge reading, and a share of capacity worked out from the elevation alone would be a guess — how much water a reservoir holds at a given level is a curve only the operator's own capacity table knows. Feet from full pool is what the operator publishes, and it is the figure above.

What is full pool for Cecil M. Harden Lake?

Full pool (the conservation pool) for Cecil M. Harden Lake is 662.00 ft NGVD29, per USACE Louisville District full-pool reference. Levels above it use flood storage; levels below it are drawdown.