Minnesota · USACE St. Paul District (Knutson Dam)

Cass Lake water level

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

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

1298 1300 1302
Elevation, feet (NGVD29)

as of October 1, 2026

1302.01 ft NGVD29

level Reading is on the high side for early October.

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.


Cass Lake through the year

The band is the lake's own normal: where the level has run on each calendar day, 2016–2026. The summer drawdown — and how this year sits in it — shows up without reading a single number.

1301 1301.5 1302 1302.5 1303 JFMAMJJASOND
Median and normal range by day of year, 2016–2026 · 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.

1301 1301.5 1302 1302.5 JFMAMJJASOND
  • 2026 (this year)
  • 2025 (last year)
  • 2020 (wettest on record)
  • 2018 (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 not published by the operator
Gauge USACE lake gauge · U.S. Army Corps of Engineers Access to Water data
Datum NGVD29
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 Cass Lake today?

Cass Lake is at 1302.01 ft (NGVD29) as of October 1, 2026 — Reading is on the high side for early October.

Is Cass Lake full?

USACE St. Paul District (Knutson Dam) doesn't publish a conservation-pool figure for Cass Lake, so this page shows the reading against the lake's own seasonal history instead.

What is full pool for Cass Lake?

USACE St. Paul District (Knutson Dam) doesn't publish a single conservation-pool elevation for Cass Lake. The seasonal chart shows the range the lake actually runs instead.