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Hydrograph River at a Glance Download
Sacandaga River at Conklingville - Gt Sac Lk Pool (ft)Observed: 771.67 ft at 4:15AM Apr 15, 2024Observed: 771.7 ft at 4:30AM Apr 15, 2024Observed: 771.66 ft at 4:45AM Apr 15, 2024Observed: 771.71 ft at 5:00AM Apr 15, 2024Observed: 771.67 ft at 5:30AM Apr 15, 2024Observed: 771.69 ft at 5:45AM Apr 15, 2024Observed: 771.69 ft at 6:00AM Apr 15, 2024Observed: 771.66 ft at 6:15AM Apr 15, 2024Observed: 771.7 ft at 6:30AM Apr 15, 2024Observed: 771.68 ft at 6:45AM Apr 15, 2024Observed: 771.74 ft at 7:00AM Apr 15, 2024Observed: 771.7 ft at 7:15AM Apr 15, 2024Observed: 771.67 ft at 7:30AM Apr 15, 2024Observed: 771.64 ft at 8:00AM Apr 15, 2024Observed: 771.69 ft at 8:15AM Apr 15, 2024Observed: 771.69 ft at 8:30AM Apr 15, 2024Observed: 771.7 ft at 8:45AM Apr 15, 2024Observed: 771.73 ft at 9:00AM Apr 15, 2024Observed: 771.76 ft at 9:15AM Apr 15, 2024Observed: 771.69 ft at 9:30AM Apr 15, 2024Observed: 771.74 ft at 9:45AM Apr 15, 2024Observed: 771.7 ft at 10:00AM Apr 15, 2024Observed: 771.71 ft at 10:15AM Apr 15, 2024Observed: 771.69 ft at 10:30AM Apr 15, 2024Observed: 771.69 ft at 10:45AM Apr 15, 2024Observed: 771.76 ft at 11:00AM Apr 15, 2024Observed: 771.75 ft at 11:15AM Apr 15, 2024Observed: 771.81 ft at 11:30AM Apr 15, 2024Highest Observation: 771.85 ft at 11:45AM Apr 15, 2024Observed: 771.84 ft at 12:00PM Apr 15, 2024Observed: 771.74 ft at 12:30PM Apr 15, 2024Observed: 771.72 ft at 12:45PM Apr 15, 2024Observed: 771.73 ft at 1:00PM Apr 15, 2024Observed: 771.77 ft at 1:15PM Apr 15, 2024Observed: 771.81 ft at 1:30PM Apr 15, 2024Observed: 771.8 ft at 1:45PM Apr 15, 2024Observed: 771.74 ft at 2:00PM Apr 15, 2024Observed: 771.82 ft at 2:15PM Apr 15, 2024Observed: 771.76 ft at 2:30PM Apr 15, 2024Observed: 771.76 ft at 2:45PM Apr 15, 2024Observed: 771.67 ft at 3:00PM Apr 15, 2024Observed: 771.71 ft at 3:15PM Apr 15, 2024Observed: 771.74 ft at 3:30PM Apr 15, 2024Observed: 771.74 ft at 3:45PM Apr 15, 2024Observed: 771.74 ft at 4:00PM Apr 15, 2024Observed: 771.7 ft at 4:15PM Apr 15, 2024Observed: 771.76 ft at 4:30PM Apr 15, 2024Observed: 771.71 ft at 4:45PM Apr 15, 2024Observed: 771.7 ft at 5:00PM Apr 15, 2024Observed: 771.7 ft at 5:15PM Apr 15, 2024Observed: 771.7 ft at 5:30PM Apr 15, 2024Observed: 771.68 ft at 5:45PM Apr 15, 2024Observed: 771.69 ft at 6:00PM Apr 15, 2024Observed: 771.69 ft at 6:15PM Apr 15, 2024Observed: 771.74 ft at 6:30PM Apr 15, 2024Observed: 771.75 ft at 6:45PM Apr 15, 2024Observed: 771.67 ft at 7:00PM Apr 15, 2024Observed: 771.71 ft at 7:15PM Apr 15, 2024Observed: 771.67 ft at 7:30PM Apr 15, 2024Observed: 771.7 ft at 7:45PM Apr 15, 2024Observed: 771.62 ft at 8:00PM Apr 15, 2024Observed: 771.64 ft at 8:15PM Apr 15, 2024Observed: 771.68 ft at 8:30PM Apr 15, 2024Observed: 771.69 ft at 8:45PM Apr 15, 2024Observed: 771.69 ft at 9:00PM Apr 15, 2024Observed: 771.67 ft at 9:15PM Apr 15, 2024Observed: 771.69 ft at 9:30PM Apr 15, 2024Observed: 771.69 ft at 9:45PM Apr 15, 2024Observed: 771.68 ft at 10:00PM Apr 15, 2024Observed: 771.62 ft at 10:15PM Apr 15, 2024Observed: 771.66 ft at 10:30PM Apr 15, 2024Observed: 771.64 ft at 10:45PM Apr 15, 2024Observed: 771.67 ft at 11:00PM Apr 15, 2024Observed: 771.64 ft at 11:15PM Apr 15, 2024Observed: 771.66 ft at 11:30PM Apr 15, 2024Observed: 771.7 ft at 11:45PM Apr 15, 2024Observed: 771.65 ft at 12:00AM Apr 16, 2024Observed: 771.68 ft at 12:15AM Apr 16, 2024Observed: 771.64 ft at 12:30AM Apr 16, 2024Observed: 771.66 ft at 12:45AM Apr 16, 2024Observed: 771.63 ft at 1:00AM Apr 16, 2024Observed: 771.64 ft at 1:15AM Apr 16, 2024Observed: 771.64 ft at 1:30AM Apr 16, 2024Observed: 771.67 ft at 1:45AM Apr 16, 2024Observed: 771.65 ft at 2:00AM Apr 16, 2024Observed: 771.65 ft at 2:15AM Apr 16, 2024Observed: 771.64 ft at 2:30AM Apr 16, 2024Observed: 771.63 ft at 2:45AM Apr 16, 2024Observed: 771.68 ft at 3:00AM Apr 16, 2024Observed: 771.62 ft at 3:15AM Apr 16, 2024Observed: 771.66 ft at 3:30AM Apr 16, 2024Observed: 771.62 ft at 3:45AM Apr 16, 2024Observed: 771.67 ft at 4:00AM Apr 16, 2024Observed: 771.67 ft at 4:15AM Apr 16, 2024Observed: 771.64 ft at 4:30AM Apr 16, 2024Observed: 771.66 ft at 4:45AM Apr 16, 2024Observed: 771.64 ft at 5:00AM Apr 16, 2024Observed: 771.67 ft at 5:15AM Apr 16, 2024Observed: 771.64 ft at 5:30AM Apr 16, 2024Observed: 771.64 ft at 5:45AM Apr 16, 2024Observed: 771.63 ft at 6:00AM Apr 16, 2024Observed: 771.66 ft at 6:15AM Apr 16, 2024Observed: 771.61 ft at 6:30AM Apr 16, 2024Observed: 771.61 ft at 7:45AM Apr 16, 2024Observed: 771.64 ft at 8:15AM Apr 16, 2024Observed: 771.66 ft at 8:30AM Apr 16, 2024Observed: 771.64 ft at 8:45AM Apr 16, 2024Observed: 771.64 ft at 9:00AM Apr 16, 2024Observed: 771.66 ft at 9:15AM Apr 16, 2024Observed: 771.64 ft at 9:30AM Apr 16, 2024Observed: 771.62 ft at 9:45AM Apr 16, 2024Observed: 771.63 ft at 10:00AM Apr 16, 2024Observed: 771.64 ft at 10:15AM Apr 16, 2024Observed: 771.62 ft at 10:30AM Apr 16, 2024Observed: 771.63 ft at 10:45AM Apr 16, 2024Observed: 771.59 ft at 11:00AM Apr 16, 2024Observed: 771.66 ft at 11:15AM Apr 16, 2024Observed: 771.61 ft at 11:30AM Apr 16, 2024Observed: 771.66 ft at 11:45AM Apr 16, 2024Observed: 771.64 ft at 12:00PM Apr 16, 2024Observed: 771.66 ft at 12:15PM Apr 16, 2024Observed: 771.64 ft at 12:30PM Apr 16, 2024Observed: 771.6 ft at 12:45PM Apr 16, 2024Observed: 771.59 ft at 1:00PM Apr 16, 2024Observed: 771.59 ft at 1:15PM Apr 16, 2024Observed: 771.61 ft at 1:30PM Apr 16, 2024Observed: 771.59 ft at 1:45PM Apr 16, 2024Observed: 771.68 ft at 2:00PM Apr 16, 2024Observed: 771.7 ft at 2:30PM Apr 16, 2024Observed: 771.55 ft at 2:45PM Apr 16, 2024Observed: 771.57 ft at 3:00PM Apr 16, 2024Observed: 771.51 ft at 3:15PM Apr 16, 2024Observed: 771.56 ft at 3:30PM Apr 16, 2024Observed: 771.51 ft at 3:45PM Apr 16, 2024Observed: 771.51 ft at 4:15PM Apr 16, 2024Observed: 771.6 ft at 4:30PM Apr 16, 2024Observed: 771.58 ft at 4:45PM Apr 16, 2024Observed: 771.56 ft at 5:00PM Apr 16, 2024Observed: 771.55 ft at 5:15PM Apr 16, 2024Observed: 771.55 ft at 5:30PM Apr 16, 2024Observed: 771.52 ft at 5:45PM Apr 16, 2024Observed: 771.49 ft at 6:00PM Apr 16, 2024Observed: 771.48 ft at 6:15PM Apr 16, 2024Observed: 771.54 ft at 6:30PM Apr 16, 2024Observed: 771.54 ft at 6:45PM Apr 16, 2024Observed: 771.52 ft at 7:00PM Apr 16, 2024Observed: 771.51 ft at 7:15PM Apr 16, 2024Observed: 771.53 ft at 7:30PM Apr 16, 2024Observed: 771.54 ft at 7:45PM Apr 16, 2024Observed: 771.5 ft at 8:00PM Apr 16, 2024Observed: 771.45 ft at 8:15PM Apr 16, 2024Observed: 771.46 ft at 8:30PM Apr 16, 2024Observed: 771.46 ft at 8:45PM Apr 16, 2024Observed: 771.48 ft at 9:00PM Apr 16, 2024Observed: 771.44 ft at 9:15PM Apr 16, 2024Observed: 771.47 ft at 9:30PM Apr 16, 2024Observed: 771.48 ft at 9:45PM Apr 16, 2024Observed: 771.46 ft at 10:00PM Apr 16, 2024Observed: 771.46 ft at 10:15PM Apr 16, 2024Observed: 771.43 ft at 10:30PM Apr 16, 2024Observed: 771.44 ft at 10:45PM Apr 16, 2024Observed: 771.43 ft at 11:00PM Apr 16, 2024Observed: 771.43 ft at 11:15PM Apr 16, 2024Observed: 771.44 ft at 11:30PM Apr 16, 2024Observed: 771.42 ft at 11:45PM Apr 16, 2024Observed: 771.44 ft at 12:00AM Apr 17, 2024Observed: 771.43 ft at 12:15AM Apr 17, 2024Observed: 771.42 ft at 12:30AM Apr 17, 2024Observed: 771.42 ft at 12:45AM Apr 17, 2024Observed: 771.39 ft at 1:00AM Apr 17, 2024Observed: 771.37 ft at 1:15AM Apr 17, 2024Observed: 771.36 ft at 1:45AM Apr 17, 2024Observed: 771.4 ft at 2:00AM Apr 17, 2024Observed: 771.35 ft at 2:15AM Apr 17, 2024Observed: 771.37 ft at 2:30AM Apr 17, 2024Observed: 771.36 ft at 2:45AM Apr 17, 2024Observed: 771.39 ft at 3:00AM Apr 17, 2024Observed: 771.41 ft at 3:15AM Apr 17, 2024Observed: 771.37 ft at 3:30AM Apr 17, 2024Observed: 771.38 ft at 3:45AM Apr 17, 2024Observed: 771.38 ft at 4:00AM Apr 17, 2024Observed: 771.32 ft at 4:15AM Apr 17, 2024Observed: 771.31 ft at 4:30AM Apr 17, 2024Observed: 771.3 ft at 4:45AM Apr 17, 2024Observed: 771.32 ft at 5:00AM Apr 17, 2024Observed: 771.34 ft at 5:15AM Apr 17, 2024Observed: 771.29 ft at 5:30AM Apr 17, 2024Observed: 771.33 ft at 5:45AM Apr 17, 2024Observed: 771.32 ft at 6:00AM Apr 17, 2024Observed: 771.35 ft at 6:15AM Apr 17, 2024Observed: 771.32 ft at 6:30AM Apr 17, 2024Observed: 771.28 ft at 6:45AM Apr 17, 2024Observed: 771.32 ft at 7:00AM Apr 17, 2024Observed: 771.3 ft at 7:15AM Apr 17, 2024Observed: 771.25 ft at 7:30AM Apr 17, 2024Observed: 771.27 ft at 7:45AM Apr 17, 2024Observed: 771.3 ft at 8:00AM Apr 17, 2024Observed: 771.32 ft at 8:15AM Apr 17, 2024Observed: 771.27 ft at 8:30AM Apr 17, 2024Observed: 771.22 ft at 8:45AM Apr 17, 2024Observed: 771.29 ft at 9:00AM Apr 17, 2024Observed: 771.27 ft at 9:15AM Apr 17, 2024Observed: 771.25 ft at 9:30AM Apr 17, 2024Observed: 771.21 ft at 9:45AM Apr 17, 2024Observed: 771.21 ft at 10:00AM Apr 17, 2024Observed: 771.28 ft at 10:15AM Apr 17, 2024Observed: 771.27 ft at 10:30AM Apr 17, 2024Observed: 771.25 ft at 10:45AM Apr 17, 2024Observed: 771.25 ft at 11:00AM Apr 17, 2024Observed: 771.24 ft at 11:15AM Apr 17, 2024Observed: 771.25 ft at 11:30AM Apr 17, 2024Observed: 771.19 ft at 11:45AM Apr 17, 2024Observed: 771.2 ft at 12:00PM Apr 17, 2024Observed: 771.25 ft at 12:15PM Apr 17, 2024Observed: 771.24 ft at 12:30PM Apr 17, 2024Observed: 771.27 ft at 12:45PM Apr 17, 2024Observed: 771.22 ft at 1:00PM Apr 17, 2024Observed: 771.27 ft at 1:15PM Apr 17, 2024Observed: 771.26 ft at 1:30PM Apr 17, 2024Observed: 771.18 ft at 1:45PM Apr 17, 2024Observed: 771.16 ft at 2:00PM Apr 17, 2024Observed: 771.17 ft at 2:15PM Apr 17, 2024Observed: 771.18 ft at 2:30PM Apr 17, 2024Observed: 771.21 ft at 2:45PM Apr 17, 2024Observed: 771.15 ft at 3:00PM Apr 17, 2024Observed: 771.21 ft at 3:15PM Apr 17, 2024Observed: 771.22 ft at 3:30PM Apr 17, 2024Observed: 771.21 ft at 3:45PM Apr 17, 2024Observed: 771.2 ft at 4:00PM Apr 17, 2024Observed: 771.18 ft at 4:15PM Apr 17, 2024Observed: 771.18 ft at 4:30PM Apr 17, 2024Observed: 771.19 ft at 4:45PM Apr 17, 2024Observed: 771.15 ft at 5:00PM Apr 17, 2024Observed: 771.19 ft at 5:15PM Apr 17, 2024Observed: 771.18 ft at 5:30PM Apr 17, 2024Observed: 771.18 ft at 5:45PM Apr 17, 2024Observed: 771.19 ft at 6:00PM Apr 17, 2024Observed: 771.18 ft at 6:15PM Apr 17, 2024Observed: 771.21 ft at 6:30PM Apr 17, 2024Observed: 771.15 ft at 6:45PM Apr 17, 2024Observed: 771.13 ft at 7:00PM Apr 17, 2024Observed: 771.1 ft at 7:15PM Apr 17, 2024Observed: 771.13 ft at 7:30PM Apr 17, 2024Observed: 771.15 ft at 7:45PM Apr 17, 2024Observed: 771.16 ft at 8:00PM Apr 17, 2024Observed: 771.19 ft at 8:15PM Apr 17, 2024Observed: 771.23 ft at 8:30PM Apr 17, 2024Observed: 771.22 ft at 8:45PM Apr 17, 2024Observed: 771.2 ft at 9:00PM Apr 17, 2024Observed: 771.14 ft at 9:15PM Apr 17, 2024Observed: 771.13 ft at 9:30PM Apr 17, 2024Observed: 771.15 ft at 9:45PM Apr 17, 2024Observed: 771.13 ft at 10:00PM Apr 17, 2024Observed: 771.16 ft at 10:30PM Apr 17, 2024Observed: 771.21 ft at 10:45PM Apr 17, 2024Observed: 771.18 ft at 11:00PM Apr 17, 2024Observed: 771.15 ft at 11:15PM Apr 17, 2024Observed: 771.1 ft at 11:30PM Apr 17, 2024Observed: 771.13 ft at 11:45PM Apr 17, 2024Observed: 771.11 ft at 12:00AM Apr 18, 2024Observed: 771.06 ft at 12:15AM Apr 18, 2024Observed: 771.07 ft at 12:30AM Apr 18, 2024Observed: 771.08 ft at 12:45AM Apr 18, 2024Observed: 771.13 ft at 1:00AM Apr 18, 2024Observed: 771.2 ft at 1:15AM Apr 18, 2024Observed: 771.15 ft at 1:30AM Apr 18, 2024Observed: 771.17 ft at 1:45AM Apr 18, 2024Observed: 771.12 ft at 2:00AM Apr 18, 2024Observed: 771.08 ft at 2:15AM Apr 18, 2024Observed: 771.1 ft at 2:30AM Apr 18, 2024Observed: 771.03 ft at 2:45AM Apr 18, 2024Observed: 771.07 ft at 3:00AM Apr 18, 2024Observed: 771.05 ft at 3:15AM Apr 18, 2024Observed: 771.13 ft at 3:30AM Apr 18, 2024Highest Forecast: 771 ft 8:00AM Apr 18, 2024Forecast: 770.9 ft 2:00PM Apr 18, 2024Forecast: 770.8 ft 8:00PM Apr 18, 2024Forecast: 770.7 ft 2:00AM Apr 19, 2024Forecast: 770.6 ft 8:00AM Apr 19, 2024Forecast: 770.6 ft 2:00PM Apr 19, 2024Forecast: 770.5 ft 8:00PM Apr 19, 2024Forecast: 770.4 ft 2:00AM Apr 20, 2024Forecast: 770.3 ft 8:00AM Apr 20, 2024USGS--Water Resources of the United StatesSACN6(plotting HPIRG) Graph Created (4:00AM Apr 18, 2024)ObservedForecast (issued 11:22AM Apr 17)Latest observed value: 771.13 ft at 3:30 AM EDT 18-Apr-2024. Flood Stage is 773 ft
Printable Image
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.
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