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Chemung River at Corning

National Weather Service gauge CRNN6 · New York · Steuben County · 42.1464, -77.0578 · USGS 01529950

Flood levels

Official flood levels at this gauge: action stage begins at 21.0 ft; minor flooding begins at 26.0 ft; moderate flooding begins at 30.0 ft; major flooding begins at 36.0 ft.

Action stage21.0 ft
Minor flooding26.0 ft
Moderate flooding30.0 ft
Major flooding36.0 ft

Highest recorded crests

What the water does

National Weather Service impact statements for this gauge, in the Weather Service's own words.

21.0 ftAgricultural lands nearest the river and outside the levee protected areas begin to flood, particularly from South Corning to Big Flats.
26.0 ftMinor flooding begins. Flooding affects portions of River Road. A few properties in Big Flats become isolated by flood waters.
29.0 ftFlooding affects several roads and properties outside of flood protection areas, especially along River Road in South Corning. Access to Corning Hospital is affected by flooding.
30.0 ftModerate flooding affects farmland, properties, and residences over a wide area along River Road from South Corning to Big Flats. In the past, Route 17E was closed.
31.0 ftPortions of SR-352 near the Chemung county line flood.
32.0 ftMajor flooding develops as water begins to overtop the levee protected areas of South Corning.
36.0 ftMajor flooding of roads, properties and buildings occurs from South Corning to Big Flats.
37.0 ftFlooding begins to overtop levee protected areas of Painted Post, Riverside and Corning on the north side of the river.
40.7 ftThis is the flood of record stage from Hurricane Agnes in June 1972. Catastrophic flooding devastated areas from Painted Post to Big Flats and beyond. Levees protect the Market Street area south of the river in the City of Corning to this level.

Forecast office: NWS Johnson City · River Forecast Center: Middle Atlantic River Forecast Center.

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