Pennsylvania · USACE Philadelphia District

Beltzville Lake water level

Today's reading against full pool and Beltzville Lake's own seasonal history.

FULL POOL 624 626 628
Elevation, feet (NAVD88)

as of August 20, 2026

628.18 ft NAVD88

level 0.8 ft above full pool — on the high side for mid-August

Reading comes straight from U.S. Army Corps of Engineers Access to Water data (USACE series Beltzville.Elev.Inst.15Minutes.0.Rev-DCP) and updates live when you load this page.


Beltzville Lake through the year

The band is the lake's own normal: where the level has run on each calendar day, 2011–2026. The summer drawdown — and how this year sits in it — shows up without reading a single number.

full pool 620 625 630 JFMAMJJASOND
Median and normal range by day of year, 2011–2026 · elevation, feet (NAVD88)

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 610 615 620 625 630 JFMAMJJASOND
  • 2026 (this year)
  • 2025 (last year)
  • 2018 (wettest on record)
  • 2016 (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 627.34 ft NAVD88 · per USACE Philadelphia District full-pool reference
Conservation capacity 42,948 acre-feet · per USACE Philadelphia District capacity reference
Gauge USACE series Beltzville.Elev.Inst.15Minutes.0.Rev-DCP · U.S. Army Corps of Engineers Access to Water data
Datum NAVD88 — 627.34 ft is the district's top of conservation pool figure, in the same NAVD88 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 Beltzville Lake right now?

Beltzville Lake is at 628.18 ft (NAVD88) as of August 20, 2026 — 0.8 ft above full pool — on the high side for mid-August

Is Beltzville Lake full?

Yes and then some — at 628.18 ft, Beltzville Lake is 0.8 ft above its full pool of 627.34 ft (NAVD88), using flood storage.

What is full pool for Beltzville Lake?

Full pool (the conservation pool) for Beltzville Lake is 627.34 ft NAVD88, per USACE Philadelphia District full-pool reference. Levels above it use flood storage; levels below it are drawdown.