1151.13 ft project datum
level Current reading shown; this gauge's public record is too short for seasonal comparisons.
Reading comes straight from U.S. Army Corps of Engineers Access to Water data (USACE series East Sidney.Elev.Inst.1Hour.0.Best-NAB-Smoothed-PY3) and updates live when you load this page.
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 | not published by the operator |
|---|---|
| Gauge | USACE series East Sidney.Elev.Inst.1Hour.0.Best-NAB-Smoothed-PY3 · U.S. Army Corps of Engineers Access to Water data |
| Datum | project datum — The district publishes the gauge in the project's own datum. |
| 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 East Sidney Lake right now?
East Sidney Lake is at 1151.13 ft (project datum) as of August 20, 2026 — Current reading shown; this gauge's public record is too short for seasonal comparisons.
Is East Sidney Lake full?
USACE Baltimore District doesn't publish a conservation-pool figure for East Sidney Lake, so this page shows the latest reading straight from the gauge.
What is full pool for East Sidney Lake?
USACE Baltimore District doesn't publish a single conservation-pool elevation for East Sidney Lake. The reading above comes straight from the operator's gauge.