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Hydrograph River at a Glance Download
Genesee River at Portageville Stage (ft)Flow (kcfs)Observed: 9.94 ft at 2:15AM Feb 10, 2016Observed: 9.95 ft at 2:30AM Feb 10, 2016Observed: 9.96 ft at 2:45AM Feb 10, 2016Observed: 9.96 ft at 3:00AM Feb 10, 2016Observed: 9.95 ft at 3:15AM Feb 10, 2016Highest Observation: 9.97 ft at 3:30AM Feb 10, 2016Observed: 9.95 ft at 3:45AM Feb 10, 2016Observed: 9.95 ft at 4:00AM Feb 10, 2016Observed: 9.95 ft at 4:15AM Feb 10, 2016Observed: 9.94 ft at 4:30AM Feb 10, 2016Observed: 9.94 ft at 4:45AM Feb 10, 2016Observed: 9.95 ft at 5:00AM Feb 10, 2016Observed: 9.95 ft at 5:15AM Feb 10, 2016Observed: 9.94 ft at 5:30AM Feb 10, 2016Observed: 9.94 ft at 5:45AM Feb 10, 2016Observed: 9.94 ft at 6:00AM Feb 10, 2016Observed: 9.95 ft at 6:15AM Feb 10, 2016Observed: 9.94 ft at 6:30AM Feb 10, 2016Observed: 9.95 ft at 6:45AM Feb 10, 2016Observed: 9.95 ft at 7:00AM Feb 10, 2016Observed: 9.93 ft at 7:15AM Feb 10, 2016Observed: 9.95 ft at 7:30AM Feb 10, 2016Observed: 9.94 ft at 7:45AM Feb 10, 2016Observed: 9.93 ft at 8:00AM Feb 10, 2016Observed: 9.94 ft at 8:15AM Feb 10, 2016Observed: 9.94 ft at 8:30AM Feb 10, 2016Observed: 9.94 ft at 8:45AM Feb 10, 2016Observed: 9.94 ft at 9:00AM Feb 10, 2016Observed: 9.93 ft at 9:15AM Feb 10, 2016Observed: 9.93 ft at 9:16AM Feb 10, 2016Observed: 9.93 ft at 9:30AM Feb 10, 2016Observed: 9.93 ft at 9:45AM Feb 10, 2016Observed: 9.93 ft at 10:00AM Feb 10, 2016Observed: 9.93 ft at 10:15AM Feb 10, 2016Observed: 9.93 ft at 10:30AM Feb 10, 2016Observed: 9.93 ft at 10:45AM Feb 10, 2016Observed: 9.93 ft at 11:00AM Feb 10, 2016Observed: 9.92 ft at 11:15AM Feb 10, 2016Observed: 9.92 ft at 11:30AM Feb 10, 2016Observed: 9.92 ft at 11:45AM Feb 10, 2016Observed: 9.92 ft at 12:00PM Feb 10, 2016Observed: 9.92 ft at 12:15PM Feb 10, 2016Observed: 9.92 ft at 12:30PM Feb 10, 2016Observed: 9.92 ft at 12:45PM Feb 10, 2016Observed: 9.93 ft at 1:00PM Feb 10, 2016Observed: 9.91 ft at 1:15PM Feb 10, 2016Observed: 9.92 ft at 1:30PM Feb 10, 2016Observed: 9.91 ft at 1:45PM Feb 10, 2016Observed: 9.91 ft at 2:00PM Feb 10, 2016Observed: 9.92 ft at 2:15PM Feb 10, 2016Observed: 9.92 ft at 2:30PM Feb 10, 2016Observed: 9.9 ft at 2:45PM Feb 10, 2016Observed: 9.91 ft at 3:00PM Feb 10, 2016Observed: 9.91 ft at 3:15PM Feb 10, 2016Observed: 9.91 ft at 3:30PM Feb 10, 2016Observed: 9.9 ft at 3:45PM Feb 10, 2016Observed: 9.9 ft at 4:00PM Feb 10, 2016Observed: 9.9 ft at 4:15PM Feb 10, 2016Observed: 9.91 ft at 4:30PM Feb 10, 2016Observed: 9.9 ft at 4:45PM Feb 10, 2016Observed: 9.9 ft at 5:00PM Feb 10, 2016Observed: 9.89 ft at 5:15PM Feb 10, 2016Observed: 9.9 ft at 5:30PM Feb 10, 2016Observed: 9.89 ft at 5:45PM Feb 10, 2016Observed: 9.89 ft at 6:00PM Feb 10, 2016Observed: 9.88 ft at 6:15PM Feb 10, 2016Observed: 9.88 ft at 6:30PM Feb 10, 2016Observed: 9.88 ft at 6:45PM Feb 10, 2016Observed: 9.88 ft at 7:00PM Feb 10, 2016Observed: 9.89 ft at 7:15PM Feb 10, 2016Observed: 9.88 ft at 7:30PM Feb 10, 2016Observed: 9.87 ft at 7:45PM Feb 10, 2016Observed: 9.88 ft at 8:00PM Feb 10, 2016Observed: 9.87 ft at 8:15PM Feb 10, 2016Observed: 9.86 ft at 8:30PM Feb 10, 2016Observed: 9.86 ft at 8:45PM Feb 10, 2016Observed: 9.86 ft at 9:00PM Feb 10, 2016Observed: 9.87 ft at 9:15PM Feb 10, 2016Observed: 9.87 ft at 9:16PM Feb 10, 2016Observed: 9.87 ft at 9:30PM Feb 10, 2016Observed: 9.85 ft at 9:45PM Feb 10, 2016Observed: 9.86 ft at 10:00PM Feb 10, 2016Observed: 9.86 ft at 10:15PM Feb 10, 2016Observed: 9.85 ft at 10:30PM Feb 10, 2016Observed: 9.85 ft at 10:45PM Feb 10, 2016Observed: 9.84 ft at 11:00PM Feb 10, 2016Observed: 9.83 ft at 11:15PM Feb 10, 2016Observed: 9.83 ft at 11:30PM Feb 10, 2016Observed: 9.83 ft at 11:45PM Feb 10, 2016Observed: 9.84 ft at 12:00AM Feb 11, 2016Observed: 9.83 ft at 12:15AM Feb 11, 2016Observed: 9.83 ft at 12:30AM Feb 11, 2016Observed: 9.82 ft at 12:45AM Feb 11, 2016Observed: 9.82 ft at 1:00AM Feb 11, 2016Observed: 9.83 ft at 1:15AM Feb 11, 2016Observed: 9.82 ft at 1:30AM Feb 11, 2016Observed: 9.81 ft at 1:45AM Feb 11, 2016Observed: 9.82 ft at 2:00AM Feb 11, 2016Observed: 9.81 ft at 2:15AM Feb 11, 2016Observed: 9.81 ft at 2:30AM Feb 11, 2016Observed: 9.81 ft at 2:45AM Feb 11, 2016Observed: 9.8 ft at 3:00AM Feb 11, 2016Observed: 9.8 ft at 3:15AM Feb 11, 2016Observed: 9.8 ft at 3:30AM Feb 11, 2016Observed: 9.8 ft at 3:45AM Feb 11, 2016Observed: 9.8 ft at 4:00AM Feb 11, 2016Observed: 9.79 ft at 4:15AM Feb 11, 2016Observed: 9.78 ft at 4:30AM Feb 11, 2016Observed: 9.79 ft at 4:45AM Feb 11, 2016Observed: 9.78 ft at 5:00AM Feb 11, 2016Observed: 9.77 ft at 5:15AM Feb 11, 2016Observed: 9.77 ft at 5:30AM Feb 11, 2016Observed: 9.77 ft at 5:45AM Feb 11, 2016Observed: 9.76 ft at 6:00AM Feb 11, 2016Observed: 9.76 ft at 6:15AM Feb 11, 2016Observed: 9.75 ft at 6:30AM Feb 11, 2016Observed: 9.76 ft at 6:45AM Feb 11, 2016Observed: 9.75 ft at 7:00AM Feb 11, 2016Observed: 9.75 ft at 7:15AM Feb 11, 2016Observed: 9.75 ft at 7:30AM Feb 11, 2016Observed: 9.74 ft at 7:45AM Feb 11, 2016Observed: 9.73 ft at 8:00AM Feb 11, 2016Observed: 9.73 ft at 8:15AM Feb 11, 2016Observed: 9.72 ft at 8:30AM Feb 11, 2016Observed: 9.7 ft at 8:45AM Feb 11, 2016Observed: 9.72 ft at 9:00AM Feb 11, 2016Observed: 9.72 ft at 9:15AM Feb 11, 2016Observed: 9.72 ft at 9:16AM Feb 11, 2016Observed: 9.71 ft at 9:30AM Feb 11, 2016Observed: 9.7 ft at 9:45AM Feb 11, 2016Observed: 9.68 ft at 10:00AM Feb 11, 2016Observed: 9.67 ft at 10:15AM Feb 11, 2016Observed: 9.67 ft at 10:30AM Feb 11, 2016Observed: 9.65 ft at 10:45AM Feb 11, 2016Observed: 9.66 ft at 11:00AM Feb 11, 2016Observed: 9.65 ft at 11:15AM Feb 11, 2016Observed: 9.64 ft at 11:30AM Feb 11, 2016Observed: 9.64 ft at 11:45AM Feb 11, 2016Observed: 9.63 ft at 12:00PM Feb 11, 2016Observed: 9.61 ft at 12:15PM Feb 11, 2016Observed: 9.6 ft at 12:30PM Feb 11, 2016Observed: 9.59 ft at 12:45PM Feb 11, 2016Observed: 9.59 ft at 1:00PM Feb 11, 2016Observed: 9.59 ft at 1:15PM Feb 11, 2016Observed: 9.57 ft at 1:30PM Feb 11, 2016Observed: 9.59 ft at 1:45PM Feb 11, 2016Observed: 9.6 ft at 2:00PM Feb 11, 2016Observed: 9.58 ft at 2:15PM Feb 11, 2016Observed: 9.58 ft at 2:30PM Feb 11, 2016Observed: 9.59 ft at 2:45PM Feb 11, 2016Observed: 9.6 ft at 3:00PM Feb 11, 2016Observed: 9.59 ft at 3:15PM Feb 11, 2016Observed: 9.59 ft at 3:30PM Feb 11, 2016Observed: 9.59 ft at 3:45PM Feb 11, 2016Observed: 9.58 ft at 4:00PM Feb 11, 2016Observed: 9.58 ft at 4:15PM Feb 11, 2016Observed: 9.58 ft at 4:30PM Feb 11, 2016Observed: 9.58 ft at 4:45PM Feb 11, 2016Observed: 9.57 ft at 5:00PM Feb 11, 2016Observed: 9.57 ft at 5:15PM Feb 11, 2016Observed: 9.58 ft at 5:30PM Feb 11, 2016Observed: 9.58 ft at 5:45PM Feb 11, 2016Observed: 9.59 ft at 6:00PM Feb 11, 2016Observed: 9.6 ft at 6:15PM Feb 11, 2016Observed: 9.61 ft at 6:30PM Feb 11, 2016Observed: 9.62 ft at 6:45PM Feb 11, 2016Observed: 9.63 ft at 7:00PM Feb 11, 2016Observed: 9.64 ft at 7:15PM Feb 11, 2016Observed: 9.65 ft at 7:30PM Feb 11, 2016Observed: 9.66 ft at 7:45PM Feb 11, 2016Observed: 9.67 ft at 8:00PM Feb 11, 2016Observed: 9.69 ft at 8:15PM Feb 11, 2016Observed: 9.69 ft at 8:30PM Feb 11, 2016Observed: 9.69 ft at 8:45PM Feb 11, 2016Observed: 9.7 ft at 9:00PM Feb 11, 2016Observed: 9.71 ft at 9:15PM Feb 11, 2016Observed: 9.71 ft at 9:17PM Feb 11, 2016Observed: 9.71 ft at 9:30PM Feb 11, 2016Observed: 9.71 ft at 9:45PM Feb 11, 2016Observed: 9.7 ft at 10:00PM Feb 11, 2016Observed: 9.7 ft at 10:15PM Feb 11, 2016Observed: 9.68 ft at 10:30PM Feb 11, 2016Observed: 9.66 ft at 10:45PM Feb 11, 2016Observed: 9.68 ft at 11:00PM Feb 11, 2016Observed: 9.7 ft at 11:15PM Feb 11, 2016Observed: 9.69 ft at 11:30PM Feb 11, 2016Observed: 9.7 ft at 11:45PM Feb 11, 2016Observed: 9.69 ft at 12:00AM Feb 12, 2016Observed: 9.76 ft at 12:15AM Feb 12, 2016Observed: 9.79 ft at 12:30AM Feb 12, 2016Observed: 9.75 ft at 12:45AM Feb 12, 2016Observed: 9.69 ft at 1:00AM Feb 12, 2016Observed: 9.68 ft at 1:15AM Feb 12, 2016Observed: 9.67 ft at 1:30AM Feb 12, 2016Observed: 9.55 ft at 1:45AM Feb 12, 2016Observed: 9.5 ft at 2:00AM Feb 12, 2016Observed: 9.5 ft at 2:15AM Feb 12, 2016Observed: 9.47 ft at 2:30AM Feb 12, 2016Observed: 9.48 ft at 2:45AM Feb 12, 2016Observed: 9.51 ft at 3:00AM Feb 12, 2016Observed: 9.67 ft at 3:15AM Feb 12, 2016Observed: 9.76 ft at 3:30AM Feb 12, 2016Observed: 9.77 ft at 3:45AM Feb 12, 2016Observed: 9.74 ft at 4:00AM Feb 12, 2016Observed: 9.71 ft at 4:15AM Feb 12, 2016Observed: 9.7 ft at 4:30AM Feb 12, 2016Observed: 9.7 ft at 4:45AM Feb 12, 2016Observed: 9.69 ft at 5:00AM Feb 12, 2016Observed: 9.67 ft at 5:15AM Feb 12, 2016Observed: 9.65 ft at 5:30AM Feb 12, 2016Observed: 9.64 ft at 5:45AM Feb 12, 2016Observed: 9.61 ft at 6:00AM Feb 12, 2016Observed: 9.48 ft at 6:15AM Feb 12, 2016Observed: 9.43 ft at 6:30AM Feb 12, 2016Observed: 9.43 ft at 6:45AM Feb 12, 2016Observed: 9.49 ft at 7:00AM Feb 12, 2016Observed: 9.54 ft at 7:15AM Feb 12, 2016Observed: 9.59 ft at 7:30AM Feb 12, 2016Observed: 9.64 ft at 7:45AM Feb 12, 2016Observed: 9.69 ft at 8:00AM Feb 12, 2016Observed: 9.73 ft at 8:15AM Feb 12, 2016Observed: 9.73 ft at 8:30AM Feb 12, 2016Observed: 9.69 ft at 8:45AM Feb 12, 2016Observed: 9.7 ft at 9:00AM Feb 12, 2016Observed: 9.65 ft at 9:15AM Feb 12, 2016Observed: 9.65 ft at 9:16AM Feb 12, 2016Observed: 9.57 ft at 9:30AM Feb 12, 2016Observed: 9.54 ft at 9:45AM Feb 12, 2016Observed: 9.52 ft at 10:00AM Feb 12, 2016Observed: 9.55 ft at 10:15AM Feb 12, 2016Observed: 9.56 ft at 10:30AM Feb 12, 2016Observed: 9.52 ft at 10:45AM Feb 12, 2016Observed: 9.47 ft at 11:00AM Feb 12, 2016Observed: 9.44 ft at 11:15AM Feb 12, 2016Observed: 9.43 ft at 11:30AM Feb 12, 2016Observed: 9.44 ft at 11:45AM Feb 12, 2016Observed: 9.46 ft at 12:00PM Feb 12, 2016Observed: 9.49 ft at 12:15PM Feb 12, 2016Observed: 9.53 ft at 12:30PM Feb 12, 2016Observed: 9.51 ft at 12:45PM Feb 12, 2016Observed: 9.49 ft at 1:00PM Feb 12, 2016Observed: 9.48 ft at 1:15PM Feb 12, 2016Observed: 9.48 ft at 1:30PM Feb 12, 2016Observed: 9.47 ft at 1:45PM Feb 12, 2016Observed: 9.5 ft at 2:00PM Feb 12, 2016Observed: 9.49 ft at 2:15PM Feb 12, 2016Observed: 9.47 ft at 2:30PM Feb 12, 2016Observed: 9.46 ft at 2:45PM Feb 12, 2016Observed: 9.46 ft at 3:00PM Feb 12, 2016Observed: 9.56 ft at 3:15PM Feb 12, 2016Observed: 9.54 ft at 3:30PM Feb 12, 2016Observed: 9.48 ft at 3:45PM Feb 12, 2016Observed: 9.46 ft at 4:00PM Feb 12, 2016Observed: 9.47 ft at 4:15PM Feb 12, 2016Observed: 9.49 ft at 4:30PM Feb 12, 2016Observed: 9.51 ft at 4:45PM Feb 12, 2016Observed: 9.53 ft at 5:00PM Feb 12, 2016Observed: 9.55 ft at 5:15PM Feb 12, 2016Observed: 9.56 ft at 5:30PM Feb 12, 2016Observed: 9.57 ft at 5:45PM Feb 12, 2016Observed: 9.58 ft at 6:00PM Feb 12, 2016Observed: 9.59 ft at 6:15PM Feb 12, 2016Observed: 9.6 ft at 6:30PM Feb 12, 2016Observed: 9.61 ft at 6:45PM Feb 12, 2016Observed: 9.61 ft at 7:00PM Feb 12, 2016Observed: 9.6 ft at 7:15PM Feb 12, 2016Observed: 9.6 ft at 7:30PM Feb 12, 2016Observed: 9.6 ft at 7:45PM Feb 12, 2016Observed: 9.6 ft at 8:00PM Feb 12, 2016Observed: 9.59 ft at 8:15PM Feb 12, 2016Observed: 9.59 ft at 8:30PM Feb 12, 2016Observed: 9.59 ft at 8:45PM Feb 12, 2016Observed: 9.59 ft at 9:00PM Feb 12, 2016Observed: 9.59 ft at 9:15PM Feb 12, 2016Observed: 9.59 ft at 9:16PM Feb 12, 2016Observed: 9.59 ft at 9:30PM Feb 12, 2016Observed: 9.58 ft at 9:45PM Feb 12, 2016Observed: 9.58 ft at 10:00PM Feb 12, 2016Observed: 9.56 ft at 10:15PM Feb 12, 2016Observed: 9.55 ft at 10:30PM Feb 12, 2016Observed: 9.52 ft at 10:45PM Feb 12, 2016Observed: 9.48 ft at 11:00PM Feb 12, 2016Observed: 9.56 ft at 11:15PM Feb 12, 2016Observed: 9.58 ft at 11:30PM Feb 12, 2016Observed: 9.58 ft at 11:45PM Feb 12, 2016Observed: 9.57 ft at 12:00AM Feb 13, 2016Observed: 9.56 ft at 12:15AM Feb 13, 2016Observed: 9.55 ft at 12:30AM Feb 13, 2016Observed: 9.5 ft at 12:45AM Feb 13, 2016Observed: 9.47 ft at 1:00AM Feb 13, 2016Highest Forecast: 9.5 ft 7:00AM Feb 13, 2016Highest Forecast: 9.5 ft 1:00PM Feb 13, 2016Highest Forecast: 9.5 ft 7:00PM Feb 13, 2016Highest Forecast: 9.5 ft 1:00AM Feb 14, 2016Highest Forecast: 9.5 ft 7:00AM Feb 14, 2016Highest Forecast: 9.5 ft 1:00PM Feb 14, 2016Forecast: 9.4 ft 7:00PM Feb 14, 2016Forecast: 9.4 ft 1:00AM Feb 15, 2016Forecast: 9.4 ft 7:00AM Feb 15, 2016PRTN6(plotting HGIRG) Graph Created (2:01AM Feb 13, 2016)ObservedForecast (issued 11:35AM Feb 12)Latest observed value: 9.47 ft at 1:00 AM EST 13-Feb-2016. Flood Stage is 19 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (EST)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Impact statements listed below may not be representative during times of ice jam flooding.

NOTE: Forecasts for the Genesee River at Portageville are issued routinely year-round.

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Upstream Gauge - at Wellsville Upstream Gauge Downstream Gauge Downstream Gauge - at Mount Morris Dam
Flood Categories (in feet)
Major Flood Stage: 29
Moderate Flood Stage: 25
Flood Stage: 19
Action Stage: 17
Low Stage (in feet): 0

Historic Crests
(1) 35.25 ft on 06/23/1972
(2) 29.12 ft on 01/20/1996
(3) 29.12 ft on 07/06/1902
(4) 25.54 ft on 09/29/1967
(5) 24.90 ft on 05/17/1916
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 20.65 ft on 03/15/2007
(2) 24.19 ft on 01/08/1998
(3) 29.12 ft on 01/20/1996
(4) 21.58 ft on 06/21/1989
(5) 23.48 ft on 06/18/1984
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 8.10 ft on 08/23/1975
(2) 8.20 ft on 09/16/1983
(3) 8.29 ft on 07/16/1999
(4) 8.50 ft on 08/15/1996
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
29 Major flood, widespread residential, commercial, and agricultural flooding. Heavy damages. Road closures. Possible evacuations.
25 Moderate flood, widespread flooding to agricultural land. Some residential flooding and damages begin. Possible road closures.
19 Flood stage, river begins to overflow into agricultural lands from Belfast to Letchworth. Little damage.
17 Action stage, high flows. No flooding.
About This Location Collapse

Latitude: 42.570278° N, Longitude: 78.042500° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 19 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 1080 ft 1099 ft  

Current/Historical Observations:

Additional Information Collapse
Observations Courtesy of the U.S. Geological Survey.
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
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Buffalo, NY 14225-1405
(716) 565-0204
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Page last modified: 13-Aug-2015 2:16 AM
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