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
Bookmark and Share Navigation Bar End Cap

NOAA National Weather Service's GIS Data and Product Survey... Click here to take the survey.

Hydrograph River at a Glance Download
Keuka Lake at Hammondsport Pool (ft)Observed: 712.24 ft at 1:54PM Mar 25, 2015Observed: 712.26 ft at 2:24PM Mar 25, 2015Observed: 712.28 ft at 2:54PM Mar 25, 2015Observed: 712.28 ft at 3:24PM Mar 25, 2015Observed: 712.26 ft at 4:24PM Mar 25, 2015Observed: 712.33 ft at 5:24PM Mar 25, 2015Observed: 712.29 ft at 8:59AM Mar 26, 2015Observed: 712.25 ft at 9:29AM Mar 26, 2015Observed: 712.19 ft at 9:59AM Mar 26, 2015Observed: 712.36 ft at 6:04AM Mar 27, 2015Observed: 712.4 ft at 6:34AM Mar 27, 2015Observed: 712.17 ft at 7:34AM Mar 27, 2015Observed: 712.29 ft at 8:04AM Mar 27, 2015Observed: 712.43 ft at 8:34AM Mar 27, 2015Observed: 712.36 ft at 9:04AM Mar 27, 2015Observed: 712.33 ft at 9:34AM Mar 27, 2015Observed: 712.39 ft at 12:08AM Mar 28, 2015Observed: 712.29 ft at 1:09AM Mar 28, 2015Highest Observation: 712.45 ft at 1:39AM Mar 28, 2015Highest Observation: 712.45 ft at 2:09AM Mar 28, 2015Observed: 712.36 ft at 3:40AM Mar 28, 2015Observed: 712.44 ft at 11:44PM Mar 28, 2015Observed: 712.39 ft at 1:44AM Mar 29, 2015KKLN6(plotting HPIRR) Graph Created (2:01AM Mar 29, 2015)ObservedLatest observed value: 712.39 ft at 1:44 AM EDT 29-Mar-2015. Flood Stage is 716.5 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: Not Available
NOTE: Gauge reading may be affected by ice during freezing weather from November to April.

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): 0

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.
Zoom Level:16
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.
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)
(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
This lake level is provided to the National Weather Service by the Environmental Emergency Services, Inc.
Resources Collapse
Hydrologic Resources Additional Resources
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
Buffalo Weather Forecast Office
587 Aero Drive
Buffalo, NY 14225-1405
(716) 565-0204
Ask Questions/Webmaster
Page last modified: 12-Feb-2015 9:36 PM
Privacy Policy
About Us
Career Opportunities