Cannonsville Reservoir Water Level Today

Daily level, distance to full pool and history for Cannonsville Reservoir, on the West Branch Delaware River in New York.

Updated · Source: NWS gauge CNNN6 Provisional

Water level Provisional

1,122.95ft

msl · 6:45 PM EST, Nov 8, 2026

  • 27.05 ftbelow full pool (1,150.0 ft)
  • −0.11 ftin 24 h−1.38 ft in 7 days−5.61 ft in 30 days
1,1101,1201,1301,1401,1501,1601,1101,1201,1301,1401,1501,1601,1101,1201,1301,1401,1501,160
  • Full pool
  • 1 yr ago

Is Cannonsville Reservoir full?

No. Cannonsville Reservoir is 27.05 ft below full pool (1,150.0 ft). It is 13.70 ft higher than a year ago (1,109.25 ft on Nov 8, 2025).

Cannonsville Reservoir level history

View data table
DateLevel (ft)% full
Nov 8, 20261,122.95—
Nov 7, 20261,123.09—
Nov 6, 20261,123.20—
Nov 5, 20261,123.32—
Nov 4, 20261,123.45—
Nov 3, 20261,123.71—
Nov 2, 20261,124.01—
Nov 1, 20261,124.33—
Oct 31, 20261,124.61—
Oct 30, 20261,124.89—
Oct 29, 20261,125.17—
Oct 28, 20261,125.41—
Oct 27, 20261,125.59—
Oct 26, 20261,125.80—
Oct 25, 20261,126.04—
Oct 24, 20261,126.23—
Oct 23, 20261,126.41—
Oct 22, 20261,126.59—
Oct 21, 20261,126.76—
Oct 20, 20261,126.89—
Oct 19, 20261,127.03—
Oct 18, 20261,127.15—
Oct 17, 20261,127.23—
Oct 16, 20261,127.33—
Oct 15, 20261,127.47—
Oct 14, 20261,127.58—
Oct 13, 20261,127.67—
Oct 12, 20261,127.68—
Oct 11, 20261,127.70—
Oct 10, 20261,127.97—
Oct 9, 20261,128.56—
  • Cannonsville Reservoir level
  • Full pool 1,150.0 ft
  • Above full pool
Source: NOAA NWPS · Daily averages since 2012

Cannonsville Reservoir on Nov 8 in past years

Cannonsville Reservoir water level on Nov 8 in past years
YearLevel (ft)vs todayvs full pool
2026today1,122.95—−27.05 ft
20251,109.25−13.70−40.75 ft
20241,113.05−9.90−36.95 ft
20231,140.32+17.37−9.68 ft
20221,107.25−15.70−42.75 ft
20211,146.20+23.25−3.80 ft
20201,109.90−13.05−40.10 ft
20191,126.36+3.41−23.64 ft
20181,145.84+22.89−4.16 ft
20171,115.12−7.83−34.88 ft
20161,090.55−32.40−59.45 ft

Today’s level is the highest for this date since 2023.

Lake facts

Full pool (conservation pool)
1,150.0 ft msl
Highest since 2012
1,154.72 ftApr 9, 2022
Lowest since 2012
1,080.03 ftNov 26, 2016
Data since
May 31, 2012
Dam
Cannonsville Damcompleted 1964
River
West Branch Delaware River
Owned by
Nycdep Dams West of the Hudson River
Dam location
Delaware County
Gauge location
42.0628, −75.3747

Dam, river and owner from the National Inventory of Dams (USACE). Records cover May 31, 2012 to today (daily averages).

Weather on the lake

  1. Tonight38°FLowW 6 mphMostly Cloudy then Rain Showers
  2. Monday48°FHighLow 34°FW 7–10 mphRain Showers Likely
  3. Tuesday56°FHighLow 36°FW 2–8 mphMostly Sunny
  4. Wednesday54°FHighLow 34°FW 1–6 mphMostly Sunny
  5. Thursday45°FHighLow 31°FSE 1–5 mphLight Rain Likely
  6. Friday37°FHighLow 26°FNE 7 mphRain and Snow
  7. Saturday37°FHighLow 27°FNW 9 mphChance Light Snow

Forecast: National Weather Service for the dam area (42.06, −75.37). Wind speeds are forecasts, not measurements.

Nearby lakes

Quick answers

What is the full pool level of Cannonsville Reservoir?
1,150.0 ft above mean sea level, the top of its conservation pool. Above it, water is released or flows over the spillway of Cannonsville Dam.
How much does Cannonsville Reservoir need to be full?
Cannonsville Reservoir needs 27.05 ft more water to reach full pool (1,150.0 ft), as of Nov 8, 2026.
Is Cannonsville Reservoir rising or falling?
It is falling: −1.38 ft in the last 7 days and −0.11 ft in 24 hours, to 1,122.95 ft on 6:45 PM EST, Nov 8, 2026 (NOAA National Water Prediction Service).
When was Cannonsville Reservoir last full?
It was last at or above full pool (1,150.0 ft) on May 19, 2026. On Nov 8, 2026 it was 27.05 ft below.
What is the highest level in our data?
Cannonsville Reservoir reached 1,154.72 ft on Apr 9, 2022. The lowest was 1,080.03 ft on Nov 26, 2016 (NOAA NWPS data since 2012; older records are not in this data set).
How much has Cannonsville Reservoir changed in the last year?
In the last 12 months it ranged from 1,109.40 ft (Nov 9, 2025) to 1,151.56 ft (Mar 28, 2026), a swing of 42.16 ft.
How often is this page updated?
This page is updated several times a day with the latest reading from NOAA National Water Prediction Service. The last reading is from 6:45 PM EST, Nov 8, 2026.

Where this data comes from

Lake level reported by Nycdep Dams West of the Hudson River through the National Weather Service (gauge CNNN6, water.noaa.gov); history from the Iowa Environmental Mesonet archive of the same reports. Recent readings are provisional. Weather from the National Weather Service. Dam details from the National Inventory of Dams.

Lake Levels Daily is an independent site, not affiliated with TWDB, LCRA, USACE, USGS, NOAA, TVA or any lake operator. Check official sources before making safety decisions.