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Hydrograph River at a Glance Download
Genesee River at Mount Morris Dam Pool (ft)Highest Observation: 624.9 ft at 1:00AM Jul 05, 2015Observed: 624.77 ft at 1:30AM Jul 05, 2015Observed: 624.64 ft at 2:00AM Jul 05, 2015Observed: 624.51 ft at 2:30AM Jul 05, 2015Observed: 624.39 ft at 3:00AM Jul 05, 2015Observed: 624.27 ft at 3:30AM Jul 05, 2015Observed: 624.15 ft at 4:00AM Jul 05, 2015Observed: 624.03 ft at 4:30AM Jul 05, 2015Observed: 623.9 ft at 5:00AM Jul 05, 2015Observed: 623.77 ft at 5:30AM Jul 05, 2015Observed: 623.64 ft at 6:00AM Jul 05, 2015Observed: 623.52 ft at 6:30AM Jul 05, 2015Observed: 623.39 ft at 7:00AM Jul 05, 2015Observed: 623.26 ft at 7:30AM Jul 05, 2015Observed: 623.12 ft at 8:00AM Jul 05, 2015Observed: 623 ft at 8:30AM Jul 05, 2015Observed: 622.86 ft at 9:00AM Jul 05, 2015Observed: 622.73 ft at 9:30AM Jul 05, 2015Observed: 622.6 ft at 10:00AM Jul 05, 2015Observed: 622.47 ft at 10:30AM Jul 05, 2015Observed: 622.33 ft at 11:00AM Jul 05, 2015Observed: 622.2 ft at 11:30AM Jul 05, 2015Observed: 622.06 ft at 12:00PM Jul 05, 2015Observed: 621.93 ft at 12:30PM Jul 05, 2015Observed: 621.79 ft at 1:00PM Jul 05, 2015Observed: 621.66 ft at 1:30PM Jul 05, 2015Observed: 621.52 ft at 2:00PM Jul 05, 2015Observed: 621.38 ft at 2:30PM Jul 05, 2015Observed: 621.24 ft at 3:00PM Jul 05, 2015Observed: 621.09 ft at 3:30PM Jul 05, 2015Observed: 620.95 ft at 4:00PM Jul 05, 2015Observed: 620.81 ft at 4:30PM Jul 05, 2015Observed: 620.66 ft at 5:00PM Jul 05, 2015Observed: 620.52 ft at 5:30PM Jul 05, 2015Observed: 620.37 ft at 6:00PM Jul 05, 2015Observed: 620.22 ft at 6:30PM Jul 05, 2015Observed: 620.07 ft at 7:00PM Jul 05, 2015Observed: 619.92 ft at 7:30PM Jul 05, 2015Observed: 619.76 ft at 8:00PM Jul 05, 2015Observed: 619.6 ft at 8:30PM Jul 05, 2015Observed: 619.45 ft at 9:00PM Jul 05, 2015Observed: 619.29 ft at 9:30PM Jul 05, 2015Observed: 619.12 ft at 10:00PM Jul 05, 2015Observed: 618.97 ft at 10:30PM Jul 05, 2015Observed: 618.81 ft at 11:00PM Jul 05, 2015Observed: 618.64 ft at 11:30PM Jul 05, 2015Observed: 618.47 ft at 12:00AM Jul 06, 2015Observed: 618.3 ft at 12:30AM Jul 06, 2015Observed: 618.13 ft at 1:00AM Jul 06, 2015Observed: 617.95 ft at 1:30AM Jul 06, 2015Observed: 617.78 ft at 2:00AM Jul 06, 2015Observed: 617.6 ft at 2:30AM Jul 06, 2015Observed: 617.42 ft at 3:00AM Jul 06, 2015Observed: 617.24 ft at 3:30AM Jul 06, 2015Observed: 617.05 ft at 4:00AM Jul 06, 2015Observed: 616.86 ft at 4:30AM Jul 06, 2015Observed: 616.68 ft at 5:00AM Jul 06, 2015Observed: 616.49 ft at 5:30AM Jul 06, 2015Observed: 616.3 ft at 6:00AM Jul 06, 2015Observed: 616.1 ft at 6:30AM Jul 06, 2015Observed: 615.91 ft at 7:00AM Jul 06, 2015Observed: 615.71 ft at 7:30AM Jul 06, 2015Observed: 615.51 ft at 8:00AM Jul 06, 2015Observed: 615.31 ft at 8:30AM Jul 06, 2015Observed: 615.1 ft at 9:00AM Jul 06, 2015Observed: 614.89 ft at 9:30AM Jul 06, 2015Observed: 614.68 ft at 10:00AM Jul 06, 2015Observed: 614.47 ft at 10:30AM Jul 06, 2015Observed: 614.27 ft at 11:00AM Jul 06, 2015Observed: 614.05 ft at 11:30AM Jul 06, 2015Observed: 613.84 ft at 12:00PM Jul 06, 2015Observed: 613.61 ft at 12:30PM Jul 06, 2015Observed: 613.39 ft at 1:00PM Jul 06, 2015Observed: 613.16 ft at 1:30PM Jul 06, 2015Observed: 612.94 ft at 2:00PM Jul 06, 2015Observed: 612.71 ft at 2:30PM Jul 06, 2015Observed: 612.47 ft at 3:00PM Jul 06, 2015Observed: 612.24 ft at 3:30PM Jul 06, 2015Observed: 612 ft at 4:00PM Jul 06, 2015Observed: 611.76 ft at 4:30PM Jul 06, 2015Observed: 611.51 ft at 5:00PM Jul 06, 2015Observed: 611.25 ft at 5:30PM Jul 06, 2015Observed: 611.01 ft at 6:00PM Jul 06, 2015Observed: 610.73 ft at 6:30PM Jul 06, 2015Observed: 610.47 ft at 7:00PM Jul 06, 2015Observed: 610.19 ft at 7:30PM Jul 06, 2015Observed: 609.9 ft at 8:00PM Jul 06, 2015Observed: 609.61 ft at 8:30PM Jul 06, 2015Observed: 609.3 ft at 9:00PM Jul 06, 2015Observed: 609 ft at 9:30PM Jul 06, 2015Observed: 608.67 ft at 10:00PM Jul 06, 2015Observed: 608.35 ft at 10:30PM Jul 06, 2015Observed: 608.01 ft at 11:00PM Jul 06, 2015Observed: 607.65 ft at 11:30PM Jul 06, 2015Observed: 607.28 ft at 12:00AM Jul 07, 2015Observed: 606.89 ft at 12:30AM Jul 07, 2015Observed: 606.48 ft at 1:00AM Jul 07, 2015Observed: 606.05 ft at 1:30AM Jul 07, 2015Observed: 605.6 ft at 2:00AM Jul 07, 2015Observed: 605.13 ft at 2:30AM Jul 07, 2015Observed: 604.59 ft at 3:00AM Jul 07, 2015Observed: 604.05 ft at 3:30AM Jul 07, 2015Observed: 603.48 ft at 4:00AM Jul 07, 2015Observed: 602.83 ft at 4:30AM Jul 07, 2015Observed: 602.16 ft at 5:00AM Jul 07, 2015Observed: 601.43 ft at 5:30AM Jul 07, 2015Observed: 600.64 ft at 6:00AM Jul 07, 2015Observed: 599.76 ft at 6:30AM Jul 07, 2015Observed: 598.81 ft at 7:00AM Jul 07, 2015Observed: 597.72 ft at 7:30AM Jul 07, 2015Observed: 596.46 ft at 8:00AM Jul 07, 2015Observed: 594.84 ft at 8:30AM Jul 07, 2015Observed: 593.8 ft at 9:00AM Jul 07, 2015Observed: 593.1 ft at 9:30AM Jul 07, 2015Observed: 592.17 ft at 10:00AM Jul 07, 2015Observed: 591.48 ft at 10:30AM Jul 07, 2015Observed: 591.06 ft at 11:00AM Jul 07, 2015Observed: 590.79 ft at 11:30AM Jul 07, 2015Observed: 590.6 ft at 12:00PM Jul 07, 2015Observed: 590.56 ft at 12:30PM Jul 07, 2015Observed: 590.42 ft at 1:00PM Jul 07, 2015Observed: 590.36 ft at 1:30PM Jul 07, 2015Observed: 590.34 ft at 2:00PM Jul 07, 2015Observed: 590.35 ft at 2:30PM Jul 07, 2015Observed: 590.39 ft at 3:00PM Jul 07, 2015Observed: 590.38 ft at 3:30PM Jul 07, 2015Observed: 590.32 ft at 4:00PM Jul 07, 2015Observed: 590.37 ft at 4:30PM Jul 07, 2015Observed: 590.38 ft at 5:00PM Jul 07, 2015Observed: 590.34 ft at 5:30PM Jul 07, 2015Observed: 590.34 ft at 6:00PM Jul 07, 2015Observed: 590.36 ft at 6:30PM Jul 07, 2015Observed: 590.39 ft at 7:00PM Jul 07, 2015Observed: 590.39 ft at 7:30PM Jul 07, 2015Observed: 590.39 ft at 8:00PM Jul 07, 2015Observed: 590.42 ft at 8:30PM Jul 07, 2015Observed: 590.47 ft at 9:00PM Jul 07, 2015Observed: 590.52 ft at 9:30PM Jul 07, 2015Observed: 590.6 ft at 10:00PM Jul 07, 2015Observed: 590.6 ft at 10:30PM Jul 07, 2015Observed: 590.61 ft at 11:00PM Jul 07, 2015Observed: 590.66 ft at 11:30PM Jul 07, 2015Observed: 590.7 ft at 12:00AM Jul 08, 2015Forecast: 595.5 ft 2:00AM Jul 08, 2015Forecast: 597.3 ft 8:00AM Jul 08, 2015Highest Forecast: 597.8 ft 2:00PM Jul 08, 2015Highest Forecast: 597.8 ft 8:00PM Jul 08, 2015Highest Forecast: 597.8 ft 2:00AM Jul 09, 2015Highest Forecast: 597.8 ft 8:00AM Jul 09, 2015Highest Forecast: 597.8 ft 2:00PM Jul 09, 2015Highest Forecast: 597.8 ft 8:00PM Jul 09, 2015Highest Forecast: 597.8 ft 2:00AM Jul 10, 2015Highest Forecast: 597.8 ft 8:00AM Jul 10, 2015MMDN6(plotting HPIRG) Graph Created (12:31AM Jul 8, 2015)ObservedForecast (issued 11:18AM Jul 7)Latest observed value: 590.7 ft at 12:00 AM EDT 8-Jul-2015. Flood Stage is 760 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 Mount Morris Dam are issued routinely year-round.
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Upstream Gauge - at Portageville Upstream Gauge Downstream Gauge Downstream Gauge - at Avon
Flood Categories (in feet)
Major Flood Stage: 760
Moderate Flood Stage: 760
Flood Stage: 760
Action Stage: 720
Low Stage (in feet): 0

Historic Crests
(1) 755.00 ft on 06/23/1972

(P): Preliminary values subject to further review.

Recent Crests
(1) 755.00 ft on 06/23/1972

(P): Preliminary values subject to further review.

Low Water Records
(1) 575.00 ft on 09/01/1998
(2) 584.00 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
760 Flood stage, capacity of dam is reached. Spillway utilized. Dam must release flow. Major flooding likely downstream all the way to Rochester area. Co-ordination necessary among affected agencies for possible evacuations.
720 Action-alert stage. Pool significantly full. Increase monitoring.
600 Conservation pool, june 15 to november 1, maintained as close to this level as possible.
584 Pool elevation. Typical low level-uncontrolled.
575 River bed elevation.
About This Location Collapse

Latitude: 42.730556° N, Longitude: 77.904444° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 760 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 760 ft  

Current/Historical Observations:

Additional Information Collapse
Observations courtesy of the U.S. Army Corps Engineers.
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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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587 Aero Drive
Buffalo, NY 14225-1405
(716) 565-0204
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Page last modified: 12-Feb-2015 9:34 PM
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