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Hydrograph River at a Glance Download
Genesee River at Portageville Stage (ft)Flow (kcfs)Observed: 11.16 ft at 3:30AM Apr 13, 2014Observed: 11.12 ft at 3:45AM Apr 13, 2014Observed: 11.16 ft at 4:00AM Apr 13, 2014Observed: 11.14 ft at 4:15AM Apr 13, 2014Observed: 11.14 ft at 4:30AM Apr 13, 2014Observed: 11.13 ft at 4:45AM Apr 13, 2014Observed: 11.15 ft at 5:00AM Apr 13, 2014Observed: 11.14 ft at 5:15AM Apr 13, 2014Observed: 11.12 ft at 5:30AM Apr 13, 2014Observed: 11.11 ft at 5:45AM Apr 13, 2014Observed: 11.12 ft at 6:00AM Apr 13, 2014Observed: 11.08 ft at 6:15AM Apr 13, 2014Observed: 11.12 ft at 6:30AM Apr 13, 2014Observed: 11.12 ft at 6:45AM Apr 13, 2014Observed: 11.11 ft at 7:00AM Apr 13, 2014Observed: 11.11 ft at 7:15AM Apr 13, 2014Observed: 11.11 ft at 7:30AM Apr 13, 2014Observed: 11.1 ft at 7:45AM Apr 13, 2014Observed: 11.1 ft at 8:00AM Apr 13, 2014Observed: 11.11 ft at 8:15AM Apr 13, 2014Observed: 11.12 ft at 8:30AM Apr 13, 2014Observed: 11.1 ft at 8:45AM Apr 13, 2014Observed: 11.08 ft at 9:00AM Apr 13, 2014Observed: 11.08 ft at 9:15AM Apr 13, 2014Observed: 11.09 ft at 9:30AM Apr 13, 2014Observed: 11.08 ft at 9:45AM Apr 13, 2014Observed: 11.06 ft at 10:00AM Apr 13, 2014Observed: 11.06 ft at 10:15AM Apr 13, 2014Observed: 11.06 ft at 10:30AM Apr 13, 2014Observed: 11.07 ft at 10:45AM Apr 13, 2014Observed: 11.07 ft at 11:00AM Apr 13, 2014Observed: 11.05 ft at 11:15AM Apr 13, 2014Observed: 11.02 ft at 11:30AM Apr 13, 2014Observed: 11.05 ft at 11:45AM Apr 13, 2014Observed: 11.07 ft at 12:00PM Apr 13, 2014Observed: 11.06 ft at 12:15PM Apr 13, 2014Observed: 11.04 ft at 12:30PM Apr 13, 2014Observed: 11.06 ft at 12:45PM Apr 13, 2014Observed: 11.06 ft at 1:00PM Apr 13, 2014Observed: 11 ft at 1:15PM Apr 13, 2014Observed: 11.06 ft at 1:30PM Apr 13, 2014Observed: 10.98 ft at 1:45PM Apr 13, 2014Observed: 11.04 ft at 2:00PM Apr 13, 2014Observed: 11.02 ft at 2:15PM Apr 13, 2014Observed: 11.04 ft at 2:30PM Apr 13, 2014Observed: 11.02 ft at 2:45PM Apr 13, 2014Observed: 11.01 ft at 3:00PM Apr 13, 2014Observed: 10.96 ft at 3:15PM Apr 13, 2014Observed: 10.96 ft at 3:30PM Apr 13, 2014Observed: 11.03 ft at 3:45PM Apr 13, 2014Observed: 11 ft at 4:00PM Apr 13, 2014Observed: 10.99 ft at 4:15PM Apr 13, 2014Observed: 10.94 ft at 4:30PM Apr 13, 2014Observed: 11 ft at 4:45PM Apr 13, 2014Observed: 10.96 ft at 5:00PM Apr 13, 2014Observed: 11 ft at 5:15PM Apr 13, 2014Observed: 10.99 ft at 5:30PM Apr 13, 2014Observed: 10.96 ft at 5:45PM Apr 13, 2014Observed: 10.94 ft at 6:00PM Apr 13, 2014Observed: 10.95 ft at 6:15PM Apr 13, 2014Observed: 10.91 ft at 6:30PM Apr 13, 2014Observed: 10.9 ft at 6:45PM Apr 13, 2014Observed: 10.92 ft at 7:00PM Apr 13, 2014Observed: 10.96 ft at 7:15PM Apr 13, 2014Observed: 10.96 ft at 7:30PM Apr 13, 2014Observed: 10.9 ft at 7:45PM Apr 13, 2014Observed: 10.96 ft at 8:00PM Apr 13, 2014Observed: 10.96 ft at 8:15PM Apr 13, 2014Observed: 10.94 ft at 8:30PM Apr 13, 2014Observed: 10.95 ft at 8:45PM Apr 13, 2014Observed: 10.94 ft at 9:00PM Apr 13, 2014Observed: 10.94 ft at 9:15PM Apr 13, 2014Observed: 10.91 ft at 9:30PM Apr 13, 2014Observed: 10.94 ft at 9:45PM Apr 13, 2014Observed: 10.86 ft at 10:00PM Apr 13, 2014Observed: 10.92 ft at 10:15PM Apr 13, 2014Observed: 10.9 ft at 10:30PM Apr 13, 2014Observed: 10.95 ft at 10:45PM Apr 13, 2014Observed: 10.84 ft at 11:00PM Apr 13, 2014Observed: 10.88 ft at 11:15PM Apr 13, 2014Observed: 10.88 ft at 11:30PM Apr 13, 2014Observed: 10.9 ft at 11:45PM Apr 13, 2014Observed: 10.9 ft at 12:00AM Apr 14, 2014Observed: 10.92 ft at 12:15AM Apr 14, 2014Observed: 10.86 ft at 12:30AM Apr 14, 2014Observed: 10.9 ft at 12:45AM Apr 14, 2014Observed: 10.86 ft at 1:00AM Apr 14, 2014Observed: 10.9 ft at 1:15AM Apr 14, 2014Observed: 10.92 ft at 1:30AM Apr 14, 2014Observed: 10.9 ft at 1:45AM Apr 14, 2014Observed: 10.92 ft at 2:00AM Apr 14, 2014Observed: 10.92 ft at 2:15AM Apr 14, 2014Observed: 10.86 ft at 2:30AM Apr 14, 2014Observed: 10.85 ft at 2:45AM Apr 14, 2014Observed: 10.88 ft at 3:00AM Apr 14, 2014Observed: 10.85 ft at 3:15AM Apr 14, 2014Observed: 10.86 ft at 3:30AM Apr 14, 2014Observed: 10.91 ft at 3:45AM Apr 14, 2014Observed: 10.91 ft at 4:00AM Apr 14, 2014Observed: 10.86 ft at 4:15AM Apr 14, 2014Observed: 10.88 ft at 4:30AM Apr 14, 2014Observed: 10.86 ft at 4:45AM Apr 14, 2014Observed: 10.86 ft at 5:00AM Apr 14, 2014Observed: 10.88 ft at 5:15AM Apr 14, 2014Observed: 10.83 ft at 5:30AM Apr 14, 2014Observed: 10.83 ft at 5:45AM Apr 14, 2014Observed: 10.81 ft at 6:00AM Apr 14, 2014Observed: 10.8 ft at 6:15AM Apr 14, 2014Observed: 10.86 ft at 6:30AM Apr 14, 2014Observed: 10.82 ft at 6:45AM Apr 14, 2014Observed: 10.78 ft at 7:00AM Apr 14, 2014Observed: 10.83 ft at 7:15AM Apr 14, 2014Observed: 10.82 ft at 7:30AM Apr 14, 2014Observed: 10.8 ft at 7:45AM Apr 14, 2014Observed: 10.84 ft at 8:00AM Apr 14, 2014Observed: 10.82 ft at 8:15AM Apr 14, 2014Observed: 10.82 ft at 8:30AM Apr 14, 2014Observed: 10.82 ft at 8:45AM Apr 14, 2014Observed: 10.82 ft at 9:00AM Apr 14, 2014Observed: 10.84 ft at 9:15AM Apr 14, 2014Observed: 10.84 ft at 9:30AM Apr 14, 2014Observed: 10.8 ft at 9:45AM Apr 14, 2014Observed: 10.84 ft at 10:00AM Apr 14, 2014Observed: 10.82 ft at 10:15AM Apr 14, 2014Observed: 10.82 ft at 10:30AM Apr 14, 2014Observed: 10.81 ft at 10:45AM Apr 14, 2014Observed: 10.86 ft at 11:00AM Apr 14, 2014Observed: 10.86 ft at 11:15AM Apr 14, 2014Observed: 10.78 ft at 11:30AM Apr 14, 2014Observed: 10.78 ft at 11:45AM Apr 14, 2014Observed: 10.8 ft at 12:00PM Apr 14, 2014Observed: 10.78 ft at 12:15PM Apr 14, 2014Observed: 10.74 ft at 12:30PM Apr 14, 2014Observed: 10.76 ft at 12:45PM Apr 14, 2014Observed: 10.78 ft at 1:00PM Apr 14, 2014Observed: 10.8 ft at 1:15PM Apr 14, 2014Observed: 10.8 ft at 1:30PM Apr 14, 2014Observed: 10.74 ft at 1:45PM Apr 14, 2014Observed: 10.8 ft at 2:00PM Apr 14, 2014Observed: 10.78 ft at 2:15PM Apr 14, 2014Observed: 10.79 ft at 2:30PM Apr 14, 2014Observed: 10.78 ft at 2:45PM Apr 14, 2014Observed: 10.78 ft at 3:00PM Apr 14, 2014Observed: 10.75 ft at 3:15PM Apr 14, 2014Observed: 10.79 ft at 3:30PM Apr 14, 2014Observed: 10.78 ft at 3:45PM Apr 14, 2014Observed: 10.75 ft at 4:00PM Apr 14, 2014Observed: 10.7 ft at 4:15PM Apr 14, 2014Observed: 10.73 ft at 4:30PM Apr 14, 2014Observed: 10.73 ft at 4:45PM Apr 14, 2014Observed: 10.75 ft at 5:00PM Apr 14, 2014Observed: 10.72 ft at 5:15PM Apr 14, 2014Observed: 10.8 ft at 5:30PM Apr 14, 2014Observed: 10.75 ft at 5:45PM Apr 14, 2014Observed: 10.72 ft at 6:00PM Apr 14, 2014Observed: 10.77 ft at 6:15PM Apr 14, 2014Observed: 10.74 ft at 6:30PM Apr 14, 2014Observed: 10.72 ft at 6:45PM Apr 14, 2014Observed: 10.74 ft at 7:00PM Apr 14, 2014Observed: 10.75 ft at 7:15PM Apr 14, 2014Observed: 10.72 ft at 7:30PM Apr 14, 2014Observed: 10.76 ft at 7:45PM Apr 14, 2014Observed: 10.74 ft at 8:00PM Apr 14, 2014Observed: 10.72 ft at 8:15PM Apr 14, 2014Observed: 10.77 ft at 8:30PM Apr 14, 2014Observed: 10.74 ft at 8:45PM Apr 14, 2014Observed: 10.74 ft at 9:00PM Apr 14, 2014Observed: 10.7 ft at 9:15PM Apr 14, 2014Observed: 10.72 ft at 9:30PM Apr 14, 2014Observed: 10.78 ft at 9:45PM Apr 14, 2014Observed: 10.73 ft at 10:00PM Apr 14, 2014Observed: 10.71 ft at 10:15PM Apr 14, 2014Observed: 10.78 ft at 10:30PM Apr 14, 2014Observed: 10.73 ft at 10:45PM Apr 14, 2014Observed: 10.78 ft at 11:00PM Apr 14, 2014Observed: 10.68 ft at 11:15PM Apr 14, 2014Observed: 10.7 ft at 11:30PM Apr 14, 2014Observed: 10.72 ft at 11:45PM Apr 14, 2014Observed: 10.74 ft at 12:00AM Apr 15, 2014Observed: 10.68 ft at 12:15AM Apr 15, 2014Observed: 10.7 ft at 12:30AM Apr 15, 2014Observed: 10.71 ft at 12:45AM Apr 15, 2014Observed: 10.76 ft at 1:00AM Apr 15, 2014Observed: 10.7 ft at 1:15AM Apr 15, 2014Observed: 10.74 ft at 1:30AM Apr 15, 2014Observed: 10.78 ft at 1:45AM Apr 15, 2014Observed: 10.76 ft at 2:00AM Apr 15, 2014Observed: 10.72 ft at 2:15AM Apr 15, 2014Observed: 10.78 ft at 2:30AM Apr 15, 2014Observed: 10.76 ft at 2:45AM Apr 15, 2014Observed: 10.78 ft at 3:00AM Apr 15, 2014Observed: 10.74 ft at 3:15AM Apr 15, 2014Observed: 10.78 ft at 3:30AM Apr 15, 2014Observed: 10.78 ft at 3:45AM Apr 15, 2014Observed: 10.8 ft at 4:00AM Apr 15, 2014Observed: 10.72 ft at 4:15AM Apr 15, 2014Observed: 10.8 ft at 4:30AM Apr 15, 2014Observed: 10.77 ft at 4:45AM Apr 15, 2014Observed: 10.72 ft at 5:00AM Apr 15, 2014Observed: 10.8 ft at 5:15AM Apr 15, 2014Observed: 10.82 ft at 5:30AM Apr 15, 2014Observed: 10.78 ft at 5:45AM Apr 15, 2014Observed: 10.79 ft at 6:00AM Apr 15, 2014Observed: 10.84 ft at 6:15AM Apr 15, 2014Observed: 10.8 ft at 6:30AM Apr 15, 2014Observed: 10.8 ft at 6:45AM Apr 15, 2014Observed: 10.81 ft at 7:00AM Apr 15, 2014Observed: 10.86 ft at 7:15AM Apr 15, 2014Observed: 10.87 ft at 7:30AM Apr 15, 2014Observed: 10.86 ft at 7:45AM Apr 15, 2014Observed: 10.87 ft at 8:00AM Apr 15, 2014Observed: 10.88 ft at 8:15AM Apr 15, 2014Observed: 10.92 ft at 8:30AM Apr 15, 2014Observed: 10.88 ft at 8:45AM Apr 15, 2014Observed: 10.88 ft at 9:00AM Apr 15, 2014Observed: 10.92 ft at 9:15AM Apr 15, 2014Observed: 10.95 ft at 9:30AM Apr 15, 2014Observed: 10.96 ft at 9:45AM Apr 15, 2014Observed: 10.97 ft at 10:00AM Apr 15, 2014Observed: 10.96 ft at 10:15AM Apr 15, 2014Observed: 11.02 ft at 10:30AM Apr 15, 2014Observed: 11.05 ft at 10:45AM Apr 15, 2014Observed: 11.06 ft at 11:00AM Apr 15, 2014Observed: 11.1 ft at 11:15AM Apr 15, 2014Observed: 11.12 ft at 11:30AM Apr 15, 2014Observed: 11.14 ft at 11:45AM Apr 15, 2014Observed: 11.16 ft at 12:00PM Apr 15, 2014Observed: 11.22 ft at 12:15PM Apr 15, 2014Observed: 11.26 ft at 12:30PM Apr 15, 2014Observed: 11.3 ft at 12:45PM Apr 15, 2014Observed: 11.34 ft at 1:00PM Apr 15, 2014Observed: 11.38 ft at 1:15PM Apr 15, 2014Observed: 11.46 ft at 1:30PM Apr 15, 2014Observed: 11.5 ft at 1:45PM Apr 15, 2014Observed: 11.54 ft at 2:00PM Apr 15, 2014Observed: 11.62 ft at 2:15PM Apr 15, 2014Observed: 11.66 ft at 2:30PM Apr 15, 2014Observed: 11.74 ft at 2:45PM Apr 15, 2014Observed: 11.68 ft at 3:00PM Apr 15, 2014Observed: 11.8 ft at 3:15PM Apr 15, 2014Observed: 11.8 ft at 3:30PM Apr 15, 2014Observed: 11.88 ft at 3:45PM Apr 15, 2014Observed: 11.85 ft at 4:00PM Apr 15, 2014Observed: 11.96 ft at 4:15PM Apr 15, 2014Observed: 12.02 ft at 4:30PM Apr 15, 2014Observed: 12.09 ft at 4:45PM Apr 15, 2014Observed: 12.06 ft at 5:00PM Apr 15, 2014Observed: 12.11 ft at 5:15PM Apr 15, 2014Observed: 12.24 ft at 5:30PM Apr 15, 2014Observed: 12.08 ft at 5:45PM Apr 15, 2014Observed: 12.26 ft at 6:00PM Apr 15, 2014Observed: 12.18 ft at 6:15PM Apr 15, 2014Observed: 12.24 ft at 6:30PM Apr 15, 2014Observed: 12.26 ft at 6:45PM Apr 15, 2014Observed: 12.28 ft at 7:00PM Apr 15, 2014Observed: 12.32 ft at 7:15PM Apr 15, 2014Observed: 12.38 ft at 7:30PM Apr 15, 2014Observed: 12.58 ft at 7:45PM Apr 15, 2014Observed: 12.48 ft at 8:00PM Apr 15, 2014Observed: 12.66 ft at 8:15PM Apr 15, 2014Observed: 12.58 ft at 8:30PM Apr 15, 2014Observed: 12.62 ft at 8:45PM Apr 15, 2014Observed: 12.68 ft at 9:00PM Apr 15, 2014Observed: 12.72 ft at 9:15PM Apr 15, 2014Observed: 12.72 ft at 9:30PM Apr 15, 2014Observed: 12.76 ft at 9:45PM Apr 15, 2014Observed: 12.76 ft at 10:00PM Apr 15, 2014Observed: 12.7 ft at 10:15PM Apr 15, 2014Highest Observation: 12.84 ft at 10:30PM Apr 15, 2014Observed: 12.79 ft at 10:45PM Apr 15, 2014Observed: 12.72 ft at 11:00PM Apr 15, 2014Observed: 12.78 ft at 11:15PM Apr 15, 2014Observed: 12.74 ft at 11:30PM Apr 15, 2014Observed: 12.7 ft at 11:45PM Apr 15, 2014Observed: 12.7 ft at 12:00AM Apr 16, 2014Observed: 12.76 ft at 12:15AM Apr 16, 2014Observed: 12.66 ft at 12:30AM Apr 16, 2014Observed: 12.65 ft at 12:45AM Apr 16, 2014Observed: 12.64 ft at 1:00AM Apr 16, 2014Observed: 12.68 ft at 1:15AM Apr 16, 2014Observed: 12.58 ft at 1:30AM Apr 16, 2014Observed: 12.54 ft at 1:45AM Apr 16, 2014Observed: 12.5 ft at 2:00AM Apr 16, 2014Highest Forecast: 11.7 ft 8:00AM Apr 16, 2014Forecast: 11.5 ft 2:00PM Apr 16, 2014Forecast: 11.4 ft 8:00PM Apr 16, 2014Forecast: 11.2 ft 2:00AM Apr 17, 2014Forecast: 11.1 ft 8:00AM Apr 17, 2014Forecast: 11.1 ft 2:00PM Apr 17, 2014Forecast: 11.2 ft 8:00PM Apr 17, 2014Forecast: 11.6 ft 2:00AM Apr 18, 2014Highest Forecast: 11.7 ft 8:00AM Apr 18, 2014Forecast: 11.5 ft 2:00PM Apr 18, 2014PRTN6(plotting HGIRG) Graph Created (3:16AM Apr 16, 2014)ObservedForecast (issued 3:09PM Apr 15)Latest observed value: 12.5 ft at 2:00 AM EDT 16-Apr-2014. Flood Stage is 19 ft
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About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Forecasts for the Genesee River at Portageville are issued routinely year-round.
Return to Area Map
 
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

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

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
Gauge Location
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: 8-Apr-2014 8:36 AM
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