Ohio · USACE Louisville District

C.J. Brown Reservoir water level

Today's reading against full pool and C.J. Brown Reservoir's own seasonal history.

FULL POOL 1008 1010 1012
Elevation, feet (NGVD29)

as of August 20, 2026

1012.09 ft NGVD29

level 0.1 ft above full pool — typical for mid-August

Reading comes straight from U.S. Army Corps of Engineers Access to Water data (USACE series CJBrown.Elev.Inst.0.0.lrldlb-rev) and updates live when you load this page.


C.J. Brown Reservoir through the year

The band is the lake's own normal: where the level has run on each calendar day, 2003–2026. The summer drawdown — and how this year sits in it — shows up without reading a single number.

full pool 1009 1010 1011 1012 1013 JFMAMJJASOND
Median and normal range by day of year, 2003–2026 · 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 1005 1010 1015 JFMAMJJASOND
  • 2026 (this year)
  • 2025 (last year)
  • 2005 (wettest on record)
  • 2021 (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 1012.00 ft NGVD29 · per USACE Louisville District full-pool reference
Conservation capacity 36,900 acre-feet · per USACE Louisville District capacity reference
Gauge USACE series CJBrown.Elev.Inst.0.0.lrldlb-rev · U.S. Army Corps of Engineers Access to Water data
Datum NGVD29 — 1012 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

How full is C.J. Brown Reservoir right now?

C.J. Brown Reservoir is at 1012.09 ft (NGVD29) as of August 20, 2026 — 0.1 ft above full pool — typical for mid-August

Is C.J. Brown Reservoir full?

Yes and then some — at 1012.09 ft, C.J. Brown Reservoir is 0.1 ft above its full pool of 1012.00 ft (NGVD29), using flood storage.

What is full pool for C.J. Brown Reservoir?

Full pool (the conservation pool) for C.J. Brown Reservoir is 1012.00 ft NGVD29, per USACE Louisville District full-pool reference. Levels above it use flood storage; levels below it are drawdown.