Lake Conditions
Illustrated map of Beaver Kill and Willowemoc

Lake levels

East Sidney Lake, NY

water level
1151.23 ft
Condition
Rising
7-day change
+0.87 ft
Above full pool
1.23 ft
30-day change
+0.06 ft

Reading as of 2026-10-13 | the U.S. Army Corps of Engineers

Since yesterday
+0.48 ft
7-day change
+0.87 ft
30-day change
+0.06 ft
Above full pool
1.23 ft
Average
1151.00 ft

In brief

East Sidney Lake stood at 1,151.23 feet on Oct 13, 2026.

Source: U.S. Army Corps of Engineers

Last 30 days

1149.71150.31150.91151.51152.1SEP 13SEP 18SEP 23SEP 28OCT 03OCT 08OCT 13FULL POOL 1150.00 ftHIGH 1151.861151.23 ftLAST READING

Last 130 days

1148.81150.41152.01153.61155.1JUN 06JUN 27JUL 19AUG 09AUG 31SEP 21OCT 13FULL POOL 1150.00 ftHIGH 1154.45LOW 1149.501151.23 ftLAST READING

Level and data on file

Current level1151.23 ft
Full pool (conservation) 1150.00 ft
Flood pool 1203.00 ft
Data span130 days, since 2026-06-06 (127 readings)

Level schematic

1,149.901,150.581,151.261,151.951,152.63FULL POOL 1,150.00 ft1,151.23 ft1.23 ftabove full pool

Frequently asked questions

Is East Sidney Lake full right now?

As of 2026-10-13, East Sidney Lake sits at 1151.23 ft. That is 1.23 ft above full pool of 1150.00 ft. It is still 51.8 ft below the flood pool of 1203.00 ft. Over the past 30 days the level has risen 0.06 ft.

What is the water level at East Sidney Lake today?

The most recent reading at East Sidney Lake is 1151.23 ft (2026-10-13), sourced from the U.S. Army Corps of Engineers. Readings on this page refresh automatically as the agency publishes new data.

How much has East Sidney Lake moved recently?

Readings for East Sidney Lake run from 1149.50 ft to 1154.45 ft over the 130 days on file, which begin 2026-06-06. That window is shorter than a year, so neither end is a record for the lake. A lake's range includes a full seasonal cycle, and this gauge has not yet published one.

Why is East Sidney Lake changing right now?

Reservoir levels move for four main reasons: rainfall and runoff into the basin, releases through the dam for downstream water supply, power generation or flood control, evaporation during hot months, and seasonal drawdown schedules set by the operating agency. East Sidney Lake has risen 0.06 ft over the past 30 days. For the operational reason on any given week, check the U.S. Army Corps of Engineers directly.

How much has East Sidney Lake changed over the past year?

Year-over-year comparison is not available for East Sidney Lake yet. The published series on this page covers 130 days, from 1149.50 ft to 1154.45 ft. That is not long enough to describe the lake's historical range.

Download and cite

Quote this reading

East Sidney Lake stood at 1,151.23 feet on Oct 13, 2026.

From the U.S. Army Corps of Engineers, updated daily. The sentence changes with every new reading, so quote it with its date.

Download the full record

east-sidney-lake-ny-water-level-history.csv

127 readings, Jun 6, 2026 to Oct 13, 2026. Daily readings. Columns: date, water_level_ft. 3 KB.

How to cite

MyWaterLevel, “East Sidney Lake water level, 2026,” data from U.S. Army Corps of Engineers, https://mywaterlevel.com/lake/ny/east-sidney-lake/, accessed Oct 13, 2026.

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Source: the U.S. Army Corps of Engineers. All New York lake levels. Readings are provisional and may be revised. About our data and methods.