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Allegheny River at Salamanca

National Weather Service gauge SLMN6 · New York · Cattaraugus County · 42.1564, -78.7156 · USGS 03011020

Flood levels

Official flood levels at this gauge: action stage begins at 9.0 ft; minor flooding begins at 12.0 ft; moderate flooding begins at 14.0 ft; major flooding begins at 21.0 ft.

Action stage9.0 ft
Minor flooding12.0 ft
Moderate flooding14.0 ft
Major flooding21.0 ft

Highest recorded crests

What the water does

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

9.0 ftAction stage, banks subject to some local overflow 1 to 2 miles upstream. Little or no damage.
12.0 ftFlood stage, minor flooding along entire reach in areas unprotected by dikes.
14.0 ftModerate flood, moderate flooding along entire reach in areas unprotected by dikes. More widespread flooding upstream.
21.0 ftMajor flood, widespread flooding of commercial and residential areas in and around Salamanca. Protective dikes topped at 21 to 22 feet. Dikes located on left bank 0.1 mile upstream to 0.3 mile downstream, and on right bank from 0.1 mile upstream to 0.7 mile downstream and 1.6 to 2.1 miles downstream.

Forecast office: NWS Buffalo · River Forecast Center: Ohio River Forecast Center.

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