Skip Navigation Link  
NOAA logo - Click to go to the NOAA homepage National Weather Service NWS logo - Click to go to the NWS homepage
Advanced Hydrologic Prediction Service
Image background of Navigation bar Left
Navigation Bar End Cap


This probabilistic forecast is issued by the Northeast River Forecast Center.
tab left off Hydrograph tab right off tab left off River at a Glance tab right off tab left off Download tab right off tab left on tab right on
About this graph
Forecasts for the Sacandaga River at Conklingville - Gt Sac Lk are issued routinely year-round.
Return to Area Map

Upstream Gauge - at Hope Upstream Gauge Downstream Gauge Downstream Gauge - at Hadley
Zoom Level:16
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
KML Image
Gauge LocationGauge Map Marker
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.

Other Real-time and/or Archive Data Sources:

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.

Collaborative Agencies Collapse
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
ETEC - 1400 Washington Avenue
Albany, NY 12222
(518) 626-7570
Ask Questions/Webmaster
Page last modified: 30-Oct-2020 4:10 PM
Privacy Policy
About Us
Career Opportunities