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Hydrograph River at a Glance Download
Keuka Lake at Hammondsport Pool (ft)Observed: 712.71 ft at 7:47AM Feb 19, 2018Observed: 712.66 ft at 8:17AM Feb 19, 2018Observed: 712.64 ft at 10:48AM Feb 19, 2018Observed: 712.72 ft at 11:18AM Feb 19, 2018Observed: 712.73 ft at 1:18PM Feb 19, 2018Observed: 712.75 ft at 2:18PM Feb 19, 2018Observed: 712.77 ft at 4:19PM Feb 19, 2018Observed: 712.73 ft at 4:49PM Feb 19, 2018Observed: 712.72 ft at 5:19PM Feb 19, 2018Observed: 712.73 ft at 5:49PM Feb 19, 2018Observed: 712.72 ft at 6:19PM Feb 19, 2018Observed: 712.74 ft at 7:19PM Feb 19, 2018Observed: 712.74 ft at 7:49PM Feb 19, 2018Observed: 712.8 ft at 8:49PM Feb 19, 2018Observed: 712.74 ft at 11:50PM Feb 19, 2018Observed: 712.82 ft at 12:20AM Feb 20, 2018Observed: 712.72 ft at 12:50AM Feb 20, 2018Observed: 712.8 ft at 1:50AM Feb 20, 2018Observed: 712.77 ft at 3:20AM Feb 20, 2018Observed: 712.76 ft at 3:51AM Feb 20, 2018Observed: 712.81 ft at 4:20AM Feb 20, 2018Observed: 712.8 ft at 4:51AM Feb 20, 2018Observed: 712.79 ft at 5:21AM Feb 20, 2018Observed: 712.79 ft at 5:51AM Feb 20, 2018Observed: 712.78 ft at 6:21AM Feb 20, 2018Observed: 712.78 ft at 6:51AM Feb 20, 2018Observed: 712.79 ft at 8:21AM Feb 20, 2018Observed: 712.83 ft at 10:21AM Feb 20, 2018Observed: 712.86 ft at 11:22AM Feb 20, 2018Observed: 712.88 ft at 12:22PM Feb 20, 2018Observed: 712.83 ft at 1:22PM Feb 20, 2018Highest Observation: 712.91 ft at 1:52PM Feb 20, 2018Highest Observation: 712.91 ft at 2:52PM Feb 20, 2018Observed: 712.88 ft at 4:22PM Feb 20, 2018Observed: 712.86 ft at 7:53PM Feb 20, 2018Observed: 712.88 ft at 9:53PM Feb 20, 2018Observed: 712.86 ft at 11:24PM Feb 20, 2018Observed: 712.86 ft at 12:54AM Feb 21, 2018Observed: 712.85 ft at 1:54AM Feb 21, 2018Observed: 712.88 ft at 3:54AM Feb 21, 2018KKLN6(plotting HPIRR) Graph Created (7:45AM Feb 21, 2018)ObservedLatest observed value: 712.88 ft at 3:54 AM EST 21-Feb-2018. Flood Stage is 716.5 ft
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About this graph
Tabular Data (UTC)
Tabular Data (EST)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Gauge reading may be affected by ice.

NOTE: Forecasts are not available for the Keuka Lake at Hammondsport. Only observed stages are available for this point.

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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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Page last modified: 21-Dec-2016 10:38 PM
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