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Hydrograph River at a Glance Download
Sacandaga River at Conklingville - Gt Sac Lk Pool (ft)Observed: 768.55 ft at 1:00AM May 22, 2022Observed: 768.56 ft at 1:15AM May 22, 2022Observed: 768.64 ft at 1:30AM May 22, 2022Observed: 768.66 ft at 1:45AM May 22, 2022Observed: 768.6 ft at 2:00AM May 22, 2022Observed: 768.56 ft at 2:15AM May 22, 2022Observed: 768.59 ft at 2:30AM May 22, 2022Observed: 768.59 ft at 2:45AM May 22, 2022Observed: 768.57 ft at 3:00AM May 22, 2022Observed: 768.54 ft at 3:15AM May 22, 2022Observed: 768.56 ft at 3:30AM May 22, 2022Observed: 768.61 ft at 3:45AM May 22, 2022Observed: 768.61 ft at 4:00AM May 22, 2022Observed: 768.56 ft at 4:15AM May 22, 2022Observed: 768.6 ft at 4:30AM May 22, 2022Observed: 768.56 ft at 4:45AM May 22, 2022Observed: 768.57 ft at 5:00AM May 22, 2022Observed: 768.54 ft at 5:15AM May 22, 2022Observed: 768.57 ft at 5:30AM May 22, 2022Observed: 768.59 ft at 5:45AM May 22, 2022Observed: 768.61 ft at 6:00AM May 22, 2022Observed: 768.64 ft at 6:15AM May 22, 2022Observed: 768.61 ft at 6:30AM May 22, 2022Observed: 768.6 ft at 6:45AM May 22, 2022Observed: 768.57 ft at 7:00AM May 22, 2022Observed: 768.58 ft at 7:15AM May 22, 2022Observed: 768.57 ft at 7:30AM May 22, 2022Observed: 768.54 ft at 7:45AM May 22, 2022Observed: 768.57 ft at 8:00AM May 22, 2022Observed: 768.59 ft at 8:15AM May 22, 2022Observed: 768.6 ft at 8:30AM May 22, 2022Observed: 768.64 ft at 8:45AM May 22, 2022Observed: 768.61 ft at 9:00AM May 22, 2022Observed: 768.63 ft at 9:15AM May 22, 2022Observed: 768.55 ft at 9:30AM May 22, 2022Observed: 768.57 ft at 9:45AM May 22, 2022Observed: 768.59 ft at 10:00AM May 22, 2022Observed: 768.56 ft at 10:15AM May 22, 2022Observed: 768.55 ft at 10:30AM May 22, 2022Observed: 768.6 ft at 10:45AM May 22, 2022Observed: 768.63 ft at 11:00AM May 22, 2022Highest Observation: 768.67 ft at 11:15AM May 22, 2022Observed: 768.64 ft at 11:30AM May 22, 2022Observed: 768.64 ft at 11:45AM May 22, 2022Observed: 768.61 ft at 12:00PM May 22, 2022Observed: 768.57 ft at 12:15PM May 22, 2022Observed: 768.58 ft at 12:30PM May 22, 2022Observed: 768.61 ft at 12:45PM May 22, 2022Observed: 768.61 ft at 1:00PM May 22, 2022Observed: 768.61 ft at 1:15PM May 22, 2022Observed: 768.61 ft at 1:30PM May 22, 2022Observed: 768.6 ft at 1:45PM May 22, 2022Observed: 768.66 ft at 2:00PM May 22, 2022Observed: 768.63 ft at 2:15PM May 22, 2022Observed: 768.62 ft at 2:30PM May 22, 2022Observed: 768.59 ft at 2:45PM May 22, 2022Observed: 768.59 ft at 3:00PM May 22, 2022Observed: 768.57 ft at 3:15PM May 22, 2022Observed: 768.58 ft at 3:30PM May 22, 2022Observed: 768.62 ft at 3:45PM May 22, 2022Observed: 768.64 ft at 4:00PM May 22, 2022Observed: 768.62 ft at 4:15PM May 22, 2022Observed: 768.58 ft at 4:30PM May 22, 2022Observed: 768.52 ft at 4:45PM May 22, 2022Observed: 768.55 ft at 5:00PM May 22, 2022Observed: 768.5 ft at 5:15PM May 22, 2022Observed: 768.53 ft at 5:30PM May 22, 2022Observed: 768.54 ft at 5:45PM May 22, 2022Observed: 768.61 ft at 6:00PM May 22, 2022Observed: 768.66 ft at 6:15PM May 22, 2022Observed: 768.63 ft at 6:30PM May 22, 2022Observed: 768.59 ft at 6:45PM May 22, 2022Observed: 768.55 ft at 7:00PM May 22, 2022Observed: 768.49 ft at 7:15PM May 22, 2022Observed: 768.5 ft at 7:30PM May 22, 2022Observed: 768.48 ft at 7:45PM May 22, 2022Observed: 768.49 ft at 8:00PM May 22, 2022Observed: 768.57 ft at 8:15PM May 22, 2022Observed: 768.6 ft at 8:30PM May 22, 2022Observed: 768.61 ft at 8:45PM May 22, 2022Observed: 768.58 ft at 9:00PM May 22, 2022Observed: 768.59 ft at 9:15PM May 22, 2022Observed: 768.59 ft at 9:30PM May 22, 2022Observed: 768.51 ft at 9:45PM May 22, 2022Observed: 768.45 ft at 10:00PM May 22, 2022Observed: 768.48 ft at 10:15PM May 22, 2022Observed: 768.5 ft at 10:30PM May 22, 2022Observed: 768.54 ft at 10:45PM May 22, 2022Observed: 768.59 ft at 11:00PM May 22, 2022Observed: 768.61 ft at 11:15PM May 22, 2022Observed: 768.63 ft at 11:30PM May 22, 2022Observed: 768.57 ft at 11:45PM May 22, 2022Observed: 768.51 ft at 12:00AM May 23, 2022Observed: 768.51 ft at 12:15AM May 23, 2022Observed: 768.47 ft at 12:30AM May 23, 2022Observed: 768.45 ft at 12:45AM May 23, 2022Observed: 768.48 ft at 1:00AM May 23, 2022Observed: 768.49 ft at 1:15AM May 23, 2022Observed: 768.51 ft at 1:30AM May 23, 2022Observed: 768.55 ft at 1:45AM May 23, 2022Observed: 768.57 ft at 2:00AM May 23, 2022Observed: 768.58 ft at 2:15AM May 23, 2022Observed: 768.53 ft at 2:30AM May 23, 2022Observed: 768.51 ft at 2:45AM May 23, 2022Observed: 768.49 ft at 3:00AM May 23, 2022Observed: 768.46 ft at 3:15AM May 23, 2022Observed: 768.48 ft at 3:30AM May 23, 2022Observed: 768.51 ft at 3:45AM May 23, 2022Observed: 768.55 ft at 4:00AM May 23, 2022Observed: 768.56 ft at 4:15AM May 23, 2022Observed: 768.59 ft at 4:30AM May 23, 2022Observed: 768.58 ft at 4:45AM May 23, 2022Observed: 768.56 ft at 5:00AM May 23, 2022Observed: 768.51 ft at 5:15AM May 23, 2022Observed: 768.51 ft at 5:30AM May 23, 2022Observed: 768.49 ft at 5:45AM May 23, 2022Observed: 768.48 ft at 6:00AM May 23, 2022Observed: 768.52 ft at 6:15AM May 23, 2022Observed: 768.54 ft at 6:30AM May 23, 2022Observed: 768.56 ft at 6:45AM May 23, 2022Observed: 768.57 ft at 7:00AM May 23, 2022Observed: 768.56 ft at 7:15AM May 23, 2022Observed: 768.57 ft at 7:30AM May 23, 2022Observed: 768.54 ft at 7:45AM May 23, 2022Observed: 768.5 ft at 8:00AM May 23, 2022Observed: 768.49 ft at 8:15AM May 23, 2022Observed: 768.49 ft at 8:30AM May 23, 2022Observed: 768.5 ft at 8:45AM May 23, 2022Observed: 768.5 ft at 9:00AM May 23, 2022Observed: 768.5 ft at 9:15AM May 23, 2022Observed: 768.47 ft at 9:30AM May 23, 2022Observed: 768.52 ft at 9:45AM May 23, 2022Observed: 768.57 ft at 10:00AM May 23, 2022Observed: 768.5 ft at 10:15AM May 23, 2022Observed: 768.47 ft at 10:30AM May 23, 2022Observed: 768.5 ft at 10:45AM May 23, 2022Observed: 768.52 ft at 11:00AM May 23, 2022Observed: 768.48 ft at 11:15AM May 23, 2022Observed: 768.48 ft at 11:30AM May 23, 2022Observed: 768.49 ft at 11:45AM May 23, 2022Observed: 768.49 ft at 12:00PM May 23, 2022Observed: 768.46 ft at 12:15PM May 23, 2022Observed: 768.47 ft at 12:30PM May 23, 2022Observed: 768.5 ft at 12:45PM May 23, 2022Observed: 768.52 ft at 1:00PM May 23, 2022Observed: 768.5 ft at 1:15PM May 23, 2022Observed: 768.49 ft at 1:30PM May 23, 2022Observed: 768.48 ft at 1:45PM May 23, 2022Observed: 768.49 ft at 2:00PM May 23, 2022Observed: 768.49 ft at 2:15PM May 23, 2022Observed: 768.47 ft at 2:30PM May 23, 2022Observed: 768.46 ft at 2:45PM May 23, 2022Observed: 768.46 ft at 3:00PM May 23, 2022Observed: 768.47 ft at 3:15PM May 23, 2022Observed: 768.48 ft at 3:30PM May 23, 2022Observed: 768.45 ft at 3:45PM May 23, 2022Observed: 768.46 ft at 4:00PM May 23, 2022Observed: 768.46 ft at 4:15PM May 23, 2022Observed: 768.45 ft at 4:30PM May 23, 2022Observed: 768.43 ft at 4:45PM May 23, 2022Observed: 768.45 ft at 5:00PM May 23, 2022Observed: 768.44 ft at 5:15PM May 23, 2022Observed: 768.44 ft at 5:30PM May 23, 2022Observed: 768.41 ft at 5:45PM May 23, 2022Observed: 768.41 ft at 6:00PM May 23, 2022Observed: 768.42 ft at 6:15PM May 23, 2022Observed: 768.42 ft at 6:30PM May 23, 2022Observed: 768.43 ft at 6:45PM May 23, 2022Observed: 768.43 ft at 7:00PM May 23, 2022Observed: 768.43 ft at 7:15PM May 23, 2022Observed: 768.42 ft at 7:30PM May 23, 2022Observed: 768.41 ft at 7:45PM May 23, 2022Observed: 768.39 ft at 8:00PM May 23, 2022Observed: 768.45 ft at 8:15PM May 23, 2022Observed: 768.44 ft at 8:30PM May 23, 2022Observed: 768.48 ft at 8:45PM May 23, 2022Observed: 768.43 ft at 9:00PM May 23, 2022Observed: 768.42 ft at 9:15PM May 23, 2022Observed: 768.41 ft at 9:30PM May 23, 2022Observed: 768.38 ft at 9:45PM May 23, 2022Observed: 768.37 ft at 10:00PM May 23, 2022Observed: 768.39 ft at 10:15PM May 23, 2022Observed: 768.38 ft at 10:30PM May 23, 2022Observed: 768.39 ft at 10:45PM May 23, 2022Observed: 768.4 ft at 11:00PM May 23, 2022Observed: 768.41 ft at 11:15PM May 23, 2022Observed: 768.45 ft at 11:30PM May 23, 2022Observed: 768.44 ft at 11:45PM May 23, 2022Observed: 768.43 ft at 12:00AM May 24, 2022Observed: 768.41 ft at 12:15AM May 24, 2022Observed: 768.41 ft at 12:30AM May 24, 2022Observed: 768.41 ft at 12:45AM May 24, 2022Observed: 768.41 ft at 1:00AM May 24, 2022Observed: 768.39 ft at 1:15AM May 24, 2022Observed: 768.43 ft at 1:30AM May 24, 2022Observed: 768.44 ft at 1:45AM May 24, 2022Observed: 768.44 ft at 2:00AM May 24, 2022Observed: 768.43 ft at 2:15AM May 24, 2022Observed: 768.44 ft at 2:30AM May 24, 2022Observed: 768.43 ft at 2:45AM May 24, 2022Observed: 768.43 ft at 3:00AM May 24, 2022Observed: 768.38 ft at 3:15AM May 24, 2022Observed: 768.39 ft at 3:30AM May 24, 2022Observed: 768.41 ft at 3:45AM May 24, 2022Observed: 768.42 ft at 4:00AM May 24, 2022Observed: 768.46 ft at 4:15AM May 24, 2022Observed: 768.43 ft at 4:30AM May 24, 2022Observed: 768.45 ft at 4:45AM May 24, 2022Observed: 768.45 ft at 5:00AM May 24, 2022Observed: 768.45 ft at 5:15AM May 24, 2022Observed: 768.41 ft at 5:30AM May 24, 2022Observed: 768.4 ft at 5:45AM May 24, 2022Observed: 768.42 ft at 6:00AM May 24, 2022Observed: 768.45 ft at 6:15AM May 24, 2022Observed: 768.43 ft at 6:30AM May 24, 2022Observed: 768.44 ft at 6:45AM May 24, 2022Observed: 768.47 ft at 7:00AM May 24, 2022Observed: 768.47 ft at 7:15AM May 24, 2022Observed: 768.47 ft at 7:30AM May 24, 2022Observed: 768.46 ft at 7:45AM May 24, 2022Observed: 768.4 ft at 8:00AM May 24, 2022Observed: 768.43 ft at 8:15AM May 24, 2022Observed: 768.41 ft at 8:30AM May 24, 2022Observed: 768.42 ft at 8:45AM May 24, 2022Observed: 768.39 ft at 9:00AM May 24, 2022Observed: 768.39 ft at 9:15AM May 24, 2022Observed: 768.46 ft at 9:30AM May 24, 2022Observed: 768.41 ft at 9:45AM May 24, 2022Observed: 768.43 ft at 10:00AM May 24, 2022Observed: 768.42 ft at 10:15AM May 24, 2022Observed: 768.42 ft at 10:30AM May 24, 2022Observed: 768.41 ft at 10:45AM May 24, 2022Observed: 768.47 ft at 11:00AM May 24, 2022Observed: 768.42 ft at 11:15AM May 24, 2022Observed: 768.42 ft at 11:30AM May 24, 2022Observed: 768.42 ft at 11:45AM May 24, 2022Observed: 768.42 ft at 12:00PM May 24, 2022Observed: 768.41 ft at 12:15PM May 24, 2022Observed: 768.39 ft at 12:30PM May 24, 2022Observed: 768.4 ft at 1:45PM May 24, 2022Observed: 768.42 ft at 2:00PM May 24, 2022Observed: 768.44 ft at 2:15PM May 24, 2022Observed: 768.42 ft at 2:30PM May 24, 2022Observed: 768.41 ft at 2:45PM May 24, 2022Observed: 768.41 ft at 3:00PM May 24, 2022Observed: 768.42 ft at 3:15PM May 24, 2022Observed: 768.43 ft at 3:30PM May 24, 2022Observed: 768.42 ft at 3:45PM May 24, 2022Observed: 768.4 ft at 4:00PM May 24, 2022Observed: 768.42 ft at 4:15PM May 24, 2022Observed: 768.4 ft at 4:30PM May 24, 2022Observed: 768.39 ft at 4:45PM May 24, 2022Observed: 768.37 ft at 5:00PM May 24, 2022Observed: 768.39 ft at 5:15PM May 24, 2022Observed: 768.4 ft at 5:30PM May 24, 2022Observed: 768.38 ft at 5:45PM May 24, 2022Observed: 768.39 ft at 6:00PM May 24, 2022Observed: 768.39 ft at 6:15PM May 24, 2022Observed: 768.38 ft at 6:30PM May 24, 2022Observed: 768.4 ft at 6:45PM May 24, 2022Observed: 768.39 ft at 7:00PM May 24, 2022Observed: 768.37 ft at 7:15PM May 24, 2022Observed: 768.38 ft at 7:30PM May 24, 2022Observed: 768.36 ft at 7:45PM May 24, 2022Observed: 768.37 ft at 8:00PM May 24, 2022Observed: 768.4 ft at 8:15PM May 24, 2022Observed: 768.38 ft at 8:30PM May 24, 2022Observed: 768.39 ft at 8:45PM May 24, 2022Observed: 768.4 ft at 9:00PM May 24, 2022Observed: 768.35 ft at 9:15PM May 24, 2022Observed: 768.34 ft at 9:30PM May 24, 2022Observed: 768.29 ft at 9:45PM May 24, 2022Observed: 768.33 ft at 10:00PM May 24, 2022Observed: 768.33 ft at 10:15PM May 24, 2022Observed: 768.37 ft at 10:30PM May 24, 2022Observed: 768.35 ft at 10:45PM May 24, 2022Observed: 768.35 ft at 11:00PM May 24, 2022Observed: 768.34 ft at 11:15PM May 24, 2022Observed: 768.39 ft at 11:30PM May 24, 2022Observed: 768.37 ft at 11:45PM May 24, 2022Observed: 768.33 ft at 12:00AM May 25, 2022Observed: 768.3 ft at 12:15AM May 25, 2022Observed: 768.32 ft at 12:30AM May 25, 2022Highest Forecast: 768.3 ft 2:00AM May 25, 2022Highest Forecast: 768.3 ft 8:00AM May 25, 2022Highest Forecast: 768.3 ft 2:00PM May 25, 2022Forecast: 768.2 ft 8:00PM May 25, 2022Forecast: 768.2 ft 2:00AM May 26, 2022Forecast: 768.2 ft 8:00AM May 26, 2022Forecast: 768.2 ft 2:00PM May 26, 2022Forecast: 768.2 ft 8:00PM May 26, 2022Forecast: 768.1 ft 2:00AM May 27, 2022Forecast: 768.1 ft 8:00AM May 27, 2022USGS--Water Resources of the United StatesSACN6(plotting HPIRG) Graph Created (12:45AM May 25, 2022)ObservedForecast (issued 11:45AM May 24)Latest observed value: 768.32 ft at 12:30 AM EDT 25-May-2022. Flood Stage is 773 ft
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About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Gauge reading affected by reservoir operations.

NOTE: Forecasts for the Sacandaga River at Conklingville - Gt Sac Lk are issued routinely year-round.

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Upstream Gauge - at Hope Upstream Gauge Downstream Gauge Downstream Gauge - at Hadley
Flood Categories (in feet)
Major Flood Stage: 774
Moderate Flood Stage: 773.5
Flood Stage: 773
Action Stage: 768
Low Stage (in feet): -9999

Historic Crests
(1) 774.47 ft on 05/01/2011
(2) 773.55 ft on 04/21/2008
(3) 773.53 ft on 06/30/2006
(4) 773.29 ft on 05/04/1983
(5) 772.11 ft on 05/22/1990
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 774.47 ft on 05/01/2011
(2) 773.55 ft on 04/21/2008
(3) 773.53 ft on 06/30/2006
(4) 770.17 ft on 05/06/1997
(5) 770.32 ft on 05/14/1996
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 729.50 ft on 03/30/1940
(2) 750.36 ft on 03/09/1998
Zoom Level:16
KML Image
Gauge LocationGauge Map Marker
Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
774 Major flood stage just below the record flood of May 1, 2011, 774.47 feet.
773.5 Moderate flood stage.
773 Minor flood stage. Boat docks and properties adjacent to the lake are flooded. Water gets close to homes and camps along the lake.
771 Reservoir begins spilling.
768 Action stage.
About This Location Collapse

Latitude: 43.315833° N, Longitude: 73.927500° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 773 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
Elevation
(gauge height = flood stage)
Elevation information source
NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other 0 ft 773 ft  

Current/Historical Observations:

Additional Information Collapse
Potential River Levels - Used to
Potential River Levels
Used to Estimate the Chance of Flooding and the Range of Possible River Levels
10 Day (HEFS) 7 Day (NAEFS) 7 Day (GEFS)
HEFS Ensemble NAEFS Ensemble GEFS Ensemble

Note: Use the official hydrograph at the top of this web page for river levels within the next 72 hours.

Click individual graphics to enlarge.

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Hydrologic Resources Additional Resources
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The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
Albany Weather Forecast Office
251 Fuller Road Suite B300
Albany, NY 12203-3650
(518) 435-9580
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Page last modified: 2-Nov-2020 7:30 PM
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