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Hydrograph River at a Glance Download
Genesee River at Rochester Stage (ft)Flow (kcfs)Highest Observation: 5.77 ft at 8:00AM Aug 19, 2014Observed: 5.56 ft at 8:00AM Aug 20, 2014Observed: 5.56 ft at 8:00AM Aug 21, 2014Highest Forecast: 3.7 ft 8:00PM Aug 21, 2014Highest Forecast: 3.7 ft 2:00AM Aug 22, 2014Highest Forecast: 3.7 ft 8:00AM Aug 22, 2014Highest Forecast: 3.7 ft 2:00PM Aug 22, 2014Highest Forecast: 3.7 ft 8:00PM Aug 22, 2014Highest Forecast: 3.7 ft 2:00AM Aug 23, 2014Highest Forecast: 3.7 ft 8:00AM Aug 23, 2014Highest Forecast: 3.7 ft 2:00PM Aug 23, 2014Highest Forecast: 3.7 ft 8:00PM Aug 23, 2014Highest Forecast: 3.7 ft 2:00AM Aug 24, 2014Highest Forecast: 3.7 ft 8:00AM Aug 24, 2014RHRN6(plotting HGIRZ) Graph Created (5:46PM Aug 21, 2014)ObservedForecast (issued 11:11AM Aug 21)Latest observed value: 5.56 ft at 8:00 AM EDT 21-Aug-2014. Flood Stage is 15 ft
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Datum: Not Available
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NOTE: Gauge readings received once daily during low-water and more frequently during high water.

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

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Upstream Gauge - at Avon Upstream Gauge
Flood Categories (in feet)
Major Flood Stage:24
Moderate Flood Stage:19
Flood Stage:15
Action Stage:13

Historical Crests
(1) 24.50 ft on 03/18/1865
(2) 23.00 ft on 03/31/1916
(3) 20.20 ft on 04/04/1896
(4) 19.08 ft on 04/02/1940
(5) 18.96 ft on 03/19/1942
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(P): Preliminary values subject to further review.

Low Water Records
(1) 2.60 ft on 10/06/1973
(2) 2.80 ft on 08/03/1999
(3) 3.00 ft on 08/15/1996
Zoom Level:16
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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.
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If you notice any errors in the below information, please contact our Webmaster
24 MAJOR FLOOD...ROCHESTER FLOOD WALLS TOPPED. MAJOR AND EXTENSIVE FLOODING WITH DAMAGES IN RESIDENTIAL AND COMMERCIAL AREAS SOUTH OF DOWNTOWN AND SOUTH SUBURBS. EVACUATIONS POSSIBLE. CANAL LOCKS TOPPED AT 23 FEET...ADDITIONAL FLOODING. FLOW = 55000 CFS.
19 MODERATE FLOOD...MORE WIDESPREAD FLOODING SOUTHERN SUBURBS. AREAS ABOVE UPPER FALLS START TO FLOOD, INCLUDING BAUSCH AND LOMB AND BARNARD SIMMONS PLANTS. FLOW 33000 CFS.
15 FLOOD STAGE...MINOR FLOOD...SOME RESIDENTIAL FLOODING BEGINS IN SOUTHERN SUBURBS...MILE 12-18 IN HENRIETTA AND CHILI. FLOW 20000 CFS.
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Latitude: 43.180556° N, Longitude: 77.627778° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 15 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 244.24 ft 259.24 ft  
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Page last modified: 5-Aug-2014 6:39 PM
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