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Hydrograph River at a Glance Download
Keuka Lake at Hammondsport Pool (ft)Observed: 713.85 ft at 10:38PM Sep 18, 2017Observed: 713.87 ft at 12:08AM Sep 19, 2017Observed: 713.88 ft at 10:10AM Sep 19, 2017Observed: 713.85 ft at 5:13AM Sep 20, 2017Observed: 713.87 ft at 10:43AM Sep 20, 2017Observed: 713.88 ft at 11:44AM Sep 20, 2017Observed: 713.85 ft at 12:14PM Sep 20, 2017Observed: 713.86 ft at 12:44PM Sep 20, 2017Observed: 713.87 ft at 1:14PM Sep 20, 2017Observed: 713.91 ft at 1:44PM Sep 20, 2017Observed: 713.9 ft at 2:14PM Sep 20, 2017Observed: 713.86 ft at 2:44PM Sep 20, 2017Observed: 713.88 ft at 3:14PM Sep 20, 2017Observed: 713.88 ft at 3:44PM Sep 20, 2017Observed: 713.89 ft at 4:44PM Sep 20, 2017Observed: 713.87 ft at 5:15PM Sep 20, 2017Observed: 713.89 ft at 6:45PM Sep 20, 2017Observed: 713.86 ft at 3:16AM Sep 21, 2017Observed: 713.86 ft at 11:48AM Sep 21, 2017Observed: 713.87 ft at 12:48PM Sep 21, 2017Observed: 713.88 ft at 1:48PM Sep 21, 2017Observed: 713.87 ft at 2:18PM Sep 21, 2017Observed: 713.86 ft at 2:48PM Sep 21, 2017Observed: 713.87 ft at 3:18PM Sep 21, 2017Observed: 713.87 ft at 4:48PM Sep 21, 2017Observed: 713.86 ft at 5:18PM Sep 21, 2017Observed: 713.88 ft at 6:19PM Sep 21, 2017Observed: 713.89 ft at 8:49PM Sep 21, 2017Observed: 713.87 ft at 12:50AM Sep 22, 2017Highest Observation: 718.16 ft at 10:07AM Sep 22, 2017Observed: 713.86 ft at 11:21AM Sep 22, 2017Observed: 713.88 ft at 11:51AM Sep 22, 2017Observed: 713.86 ft at 1:22PM Sep 22, 2017Observed: 713.88 ft at 1:52PM Sep 22, 2017Observed: 713.87 ft at 2:22PM Sep 22, 2017Observed: 713.87 ft at 2:52PM Sep 22, 2017Observed: 713.86 ft at 3:22PM Sep 22, 2017KKLN6(plotting HPIRR) Graph Created (8:00PM Sep 22, 2017)ObservedLatest observed value: 713.86 ft at 3:22 PM EDT 22-Sep-2017. Flood Stage is 716.5 ft
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About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Forecasts are not available for the Keuka Lake at Hammondsport. Only observed stages are available for this point.
Return to Area Map
Flood Categories (in feet)
Major Flood Stage: 719
Moderate Flood Stage: 718
Flood Stage: 716.5
Action Stage: 715
Low Stage (in feet): -9999

Historic Crests
(1) 716.52 ft on 05/17/2014

(P): Preliminary values subject to further review.

Recent Crests
(1) 716.52 ft on 05/17/2014

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to www.floodsmart.gov.

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.
About This Location Collapse

Latitude: 42.406111° N, Longitude: 77.218889° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 716.5 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 716.5 ft  
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
3 Day (SREF) 7 Day (NAEFS) 7 Day (GEFS)
SREF Ensemble NAEFS Ensemble  GEFS Ensemble 

Note: Use the official hydrograph at the top of this web page for river levels within the next 48 hours.

See the Product Description Document link for more details on the interpretation of the 3,7 day graphics. 

Click individual graphics to enlarge.

This lake level is provided to the National Weather Service by the Environmental Emergency Services, Inc. IFLOWS system.
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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
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Johnson City, NY 13790
(607) 729-1597
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Page last modified: 21-Dec-2016 5:21 PM
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