Chemung River

Last Updated: May 11, 2026

Total streamflow across the Chemung River was last observed at 11,620 cfs, and is expected to yield approximately 23,048 acre-ft of water today; about 112% of normal. Average streamflow for this time of year is 10,351 cfs, with recent peaks last observed on 2014-05-17 when daily discharge volume was observed at 106,400 cfs.

Maximum discharge along the river is currently at the Chemung River At Chemung Ny reporting a streamflow rate of 6,180 cfs. However, the streamgauge with the highest stage along the river is the Chemung River At Corning Ny with a gauge stage of 17.51 ft. This river is monitored from 3 different streamgauging stations along the Chemung River, the highest being situated at an altitude of 916 ft, the Chemung River At Corning Ny.

The Chemung River is a 45-mile-long tributary of the Susquehanna River in New York and Pennsylvania.


15-Day Long Term Forecast


River Details

Last Updated 2026-05-11
Discharge Volume 23,048 ACRE-FT
Streamflow 11,620.0 cfs
Past 24 Hours: +740.0 cfs (+6.8%)
Percent of Normal 112.26%
Maximum 106,400.0 cfs
2014-05-17
Seasonal Avg 10,351 cfs
       
River Streamflow Levels
Streamgauge Streamflow Gauge Stage 24hr Change (%) % Normal Minimum (cfs) Maximum (cfs) Air Temp Elevation
Chemung River At Corning Ny
USGS 01529950
142 cfs 17.51 ft -11.25
Chemung River At Elmira Ny
USGS 01530332
5440 cfs 3.76 ft 2.26
Chemung River At Chemung Ny
USGS 01531000
6180 cfs 6.33 ft 11.15
Seasonal Discharge Comparison
Maximum Streamflow Discharge
Streamflow Elevation Profile

The Chemung River ( shə-MUNG) is a tributary of the Susquehanna River, approximately 46.4 miles (74.7 km) long, in south central New York and northern Pennsylvania in the United States. It drains a mountainous region of the northern Allegheny Plateau in the Southern Tier of New York. The valley of the river has long been an important manufacturing center in the region but has suffered a decline in the late 20th century.