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Genesee River River Levels

Last Updated: December 16, 2025

The Genesee River is a 157-mile-long river that runs through western New York State.


Summary

Total streamflow across the Genesee River was last observed at 910 cfs, and is expected to yield approximately 1,805 acre-ft of water today; about 20% of normal. River levels are low and may signify a drought. Average streamflow for this time of year is 4,459 cfs, with recent peaks last observed on 2014-05-17 when daily discharge volume was observed at 36,850 cfs.

Maximum discharge along the river is currently at the Genesee River At Avon Ny reporting a streamflow rate of 489 cfs. This is also the highest stage along the Genesee River, with a gauge stage of 14.08 ft at this location. This river is monitored from 4 different streamgauging stations along the Genesee River, the highest being situated at an altitude of 1,479 ft, the Genesee River At Wellsville Ny.

River Details

Last Updated 2025-12-16
Discharge Volume 1,805 ACRE-FT
Streamflow 910.0 cfs
-623.0 cfs (-40.64%)
Percent of Normal 20.41%
Maximum 36,850.0 cfs
2014-05-17
Seasonal Avg 4,459 cfs
       
River Streamflow Levels
Streamgauge Streamflow Gauge Stage 24hr Change (%) % Normal Minimum (cfs) Maximum (cfs) Air Temp Elevation
Genesee River At Wellsville Ny
USGS 04221000
161 cfs 4.57 ft 34.17
Genesee River At Portageville Ny
USGS 04223000
420 cfs 9.15 ft -13.93
Genesee River Near Mount Morris Ny
USGS 04227500
421 cfs 2.86 ft -20.57
Genesee River At Avon Ny
USGS 04228500
489 cfs 14.08 ft -16.12
Seasonal Discharge Comparison
Maximum Streamflow Discharge
Streamflow Elevation Profile

The Genesee River is a tributary of Lake Ontario flowing northward through the Twin Tiers of Pennsylvania and New York in the United States.
The river provided the original power for the Rochester area's 19th century mills and still provides hydroelectric power for downtown Rochester.