Allegheny River at Salamanca, NY

River level and flood forecast · Cattaraugus County

Normal2.8 ftas of Mon 3:45 PM

The river is 9.2 ft below flood stage (12 ft).

Forecast to hold near 2.8 ft through Sat, Oct 17, 8 AM.

Flow: 379 cubic feet per second (USGS).

The last 7 days and the forecast

05101520TueThuSatMonWedFriAction 9 ftFlood 12 ftModerate 14 ftNowObserved (ft)NWS forecast

NWS forecast issued Mon, Oct 12, 9:18 AM. Forecasts change as rain falls and as upstream water arrives.

Flood stages

Major flood stage21 ft
Moderate flood stage14 ft
Flood stage12 ft
Action stage9 ft
Record crest (June 23, 1972)24.01 ft

What floods at each level

From the National Weather Service, highest first.

  • 21 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.
  • 14 ftModerate flood, moderate flooding along entire reach in areas unprotected by dikes. More widespread flooding upstream.
  • 12 ftFlood stage, minor flooding along entire reach in areas unprotected by dikes.
  • 9 ftAction stage, banks subject to some local overflow 1 to 2 miles upstream. Little or no damage.

Highest crests on record

  1. 24.01 ft — June 23, 1972
  2. 16.41 ft — January 19, 1996
  3. 16.24 ft — September 26, 1967
  4. 15.44 ft — June 23, 1989
  5. 15.11 ft — March 8, 1956

Recent crests: 12.78 ft (February 18, 2022) · 13.43 ft (January 13, 2018) · 13.83 ft (January 13, 2017) · 14.42 ft (December 2, 2010) · 12.29 ft (January 25, 2010)

Up and down the river, and nearby

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (SLMN6); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.