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Great Sacandaga Lake Water Level Today

Daily level, distance to full pool and history for Great Sacandaga Lake, on the Sacandaga River in New York.

Updated · Source: USGS 01323500 Provisional

Water level Provisional

754.59ft

msl · 7:30 PM EST, Nov 8, 2026

  • 15.53 ftbelow full pool (770.1 ft)
  • −0.02 ftin 24 h−0.56 ft in 7 days−1.90 ft in 30 days
750755760765770775750755760765770775750755760765770775
  • Full pool
  • 1 yr ago

Is Great Sacandaga Lake full?

No. Great Sacandaga Lake is 15.53 ft below full pool (770.1 ft). It is 2.41 ft higher than a year ago (752.18 ft on Nov 8, 2025).

Great Sacandaga Lake level history

View data table
DateLevel (ft)% full
Nov 8, 2026754.59—
Nov 7, 2026754.60—
Nov 6, 2026754.66—
Nov 5, 2026754.74—
Nov 4, 2026754.83—
Nov 3, 2026754.94—
Nov 2, 2026755.04—
Nov 1, 2026755.15—
Oct 31, 2026755.24—
Oct 30, 2026755.37—
Oct 29, 2026755.44—
Oct 28, 2026755.52—
Oct 27, 2026755.62—
Oct 26, 2026755.75—
Oct 25, 2026755.82—
Oct 24, 2026755.90—
Oct 23, 2026755.93—
Oct 22, 2026755.96—
Oct 21, 2026755.95—
Oct 20, 2026755.95—
Oct 19, 2026756.00—
Oct 18, 2026755.98—
Oct 17, 2026755.93—
Oct 16, 2026755.94—
Oct 15, 2026755.93—
Oct 14, 2026756.01—
Oct 13, 2026756.00—
Oct 12, 2026756.13—
Oct 11, 2026756.18—
Oct 10, 2026756.31—
Oct 9, 2026756.49—
  • Great Sacandaga Lake level
  • Full pool 770.1 ft
  • Above full pool
Source: USGS · Daily averages since 1950

Great Sacandaga Lake on Nov 8 in past years

Great Sacandaga Lake water level on Nov 8 in past years
YearLevel (ft)vs todayvs full pool
2026today754.59—−15.53 ft
2025752.18−2.41−17.94 ft
2024755.37+0.78−14.75 ft
2023756.85+2.26−13.27 ft
2022755.98+1.39−14.14 ft
2021761.81+7.22−8.31 ft
2020753.33−1.26−16.79 ft
2019768.93+14.34−1.19 ft
2018761.41+6.82−8.71 ft
2017760.64+6.05−9.48 ft
2016754.09−0.50−16.03 ft

Today’s level is the highest for this date since 2024.

Lake facts

Full pool (conservation pool)
770.1 ft msl
Highest since 1950
773.52 ftMay 1, 2011
Lowest since 1950
735.57 ftApr 4, 1956
Data since
Jan 1, 1950
Dam
Conklingville Damcompleted 1930
River
Sacandaga River
Owned by
Hudson River-Black River Regulating District
Dam location
Saratoga County
Gauge location
43.3160, −73.9271

Dam, river and owner from the National Inventory of Dams (USACE). Records cover Jan 1, 1950 to today (daily averages).

Weather on the lake

  1. Tonight39°FLowW 7 mphMostly Cloudy then Chance Rain Showers
  2. Monday51°FHighLow 34°FW 10 mphChance Rain Showers then Partly Sunny
  3. Tuesday53°FHighLow 33°FW 5–10 mphPartly Sunny
  4. Wednesday52°FHighLow 28°FW 3–9 mphPartly Sunny
  5. Thursday44°FHighLow 26°FNE 5 mphChance Light Rain
  6. Friday38°FHighLow 23°FNE 12 mphRain and Snow Likely
  7. Saturday40°FHighLow 24°FN 12 mphChance Light Snow

Forecast: National Weather Service for the dam area (43.32, −73.93). Wind speeds are forecasts, not measurements.

Nearby lakes

Quick answers

What is the full pool level of Great Sacandaga Lake?
770.1 ft above mean sea level, the top of its conservation pool. Above it, water is released or flows over the spillway of Conklingville Dam.
How much does Great Sacandaga Lake need to be full?
Great Sacandaga Lake needs 15.53 ft more water to reach full pool (770.1 ft), as of Nov 8, 2026.
Is Great Sacandaga Lake rising or falling?
It is falling: −0.56 ft in the last 7 days and −0.02 ft in 24 hours, to 754.59 ft on 7:30 PM EST, Nov 8, 2026 (US Geological Survey).
When was Great Sacandaga Lake last full?
It was last at or above full pool (770.1 ft) on May 13, 2025. On Nov 8, 2026 it was 15.53 ft below.
What is the highest level in our data?
Great Sacandaga Lake reached 773.52 ft on May 1, 2011. The lowest was 735.57 ft on Apr 4, 1956 (USGS data since 1950; older records are not in this data set).
How much has Great Sacandaga Lake changed in the last year?
In the last 12 months it ranged from 748.77 ft (Mar 5, 2026) to 768.37 ft (Apr 21, 2026), a swing of 19.60 ft.
How often is this page updated?
This page is updated several times a day with the latest reading from US Geological Survey. The last reading is from 7:30 PM EST, Nov 8, 2026.

Where this data comes from

Reservoir gauge 01323500 of the US Geological Survey (waterdata.usgs.gov). Recent readings are provisional and may be revised. 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.