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New YorkReservoir, 4,718 acres, Delaware County

Cannonsville Reservoir water level

Cannonsville Reservoir, New York
Photo: Vonsky87, CC BY-SA 3.0

Current level

1,125.47ft NAVD88

Reading from Oct 26, 2026

Above normal for October

Past 24 hours
-0.12ft
Past 7 days
-1.13ft
Past 30 days
-6.43ft
vs typical October
+8.02ft

Cannonsville Reservoir was at 1,125.47 ft on October 26, falling 1.13 ft over the past week. That is above normal for October: the typical October level is 1,117.45 ft, so the lake is 8.02 ft above its usual mark.

Last 30 days

112011251130typicalSep 25Oct 10Oct 25

Shaded band shows the lowest and highest October monthly averages on record. Dashed line is the typical October level.

Typical level through the year

Each bar spans the range of monthly averages on record for that month. The line marks the median. The orange dot is where the lake sits now.

11201140JFMAMJJASOND

Recent daily readings

Cannonsville Reservoir daily mean water level, newest first
DateLevel (ft NAVD88)Change
Oct 25, 20261,125.59-0.20
Oct 24, 20261,125.79-0.19
Oct 23, 20261,125.98-0.17
Oct 22, 20261,126.15-0.17
Oct 21, 20261,126.32-0.14
Oct 20, 20261,126.46-0.14
Oct 19, 20261,126.60-0.11
Oct 18, 20261,126.71-0.10
Oct 17, 20261,126.81-0.10
Oct 16, 20261,126.91-0.12
Oct 15, 20261,127.03-0.14
Oct 14, 20261,127.17-0.09
Oct 13, 20261,127.26-0.02
Oct 12, 20261,127.28-0.01

Reading these numbers

Readings are elevations in feet above the North American Vertical Datum of 1988 (NAVD88), the current national reference. Older dam documents often quote NGVD29 instead, which can differ by a few feet. See NGVD29 vs NAVD88.

On a reservoir, a few feet of drop changes the shoreline more than you would think. Low water exposes stumps, sandbars and old roadbeds that are normally well under the hull, and some ramps end before the water does.

High water brings its own problems: floating debris after storms, flooded docks and courtesy piers, and no-wake rules near flooded campgrounds. A quick look at the trend before you hitch up saves a wasted trip.

The gauge is listed by USGS as Cannonsville Reservoir near Kelsey NY. Wind can pile water up at one end of a big lake for a few hours, so short spikes on a windy day are normal.

Cannonsville Reservoir water level questions

What is the water level at Cannonsville Reservoir today?

Cannonsville Reservoir was at 1,125.47 ft on October 26, falling 1.13 ft over the past week. That is above normal for October: the typical October level is 1,117.45 ft, so the lake is 8.02 ft above its usual mark.

Is Cannonsville Reservoir high or low right now?

Compared with the long-term record for October, the lake is above normal. The October monthly average has ranged from 1,107.79 to 1,141.50 ft, with a typical value of 1,117.45 ft.

Is Cannonsville Reservoir rising or falling?

Over the last seven days the level has fallen (-1.13 ft), and it is -6.43 ft compared with 30 days ago.

Where does the Cannonsville Reservoir water level data come from?

From the U.S. Geological Survey, gauge 01423910 (Cannonsville Reservoir near Kelsey NY). USGS publishes provisional readings every 15 to 60 minutes; they can be revised later after quality checks.

How often is this page updated?

The page itself is rebuilt every day with the latest daily values, and the current reading refreshes straight from the USGS each time you open it.

Nearby lakes

If Cannonsville is blown out, these are the closest alternatives. Tap through for their water levels.