Genesee River

Last Updated: April 25, 2026

Total streamflow across the Genesee River was last observed at 14,230 cfs, and is expected to yield approximately 28,225 acre-ft of water today; about 172% of normal. River levels are high. Average streamflow for this time of year is 8,289 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 5,990 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.

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


15-Day Long Term Forecast


River Details

Last Updated 2026-04-25
Discharge Volume 28,225 ACRE-FT
Streamflow 14,230.0 cfs
Past 24 Hours: -138.0 cfs (-0.96%)
Percent of Normal 171.67%
Maximum 36,850.0 cfs
2014-05-17
Seasonal Avg 8,289 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
610 cfs 5.46 ft -15.94
Genesee River At Portageville Ny
USGS 04223000
2090 cfs 10.62 ft -30.18
Genesee River Near Mount Morris Ny
USGS 04227500
5540 cfs 10.46 ft 8.02
Genesee River At Avon Ny
USGS 04228500
5990 cfs 14.08 ft 1.52
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.