Susquehanna River at Unadilla
Otsego County, New York
The past week
Loading chart…
What floods at each level
- 17.7 ft
This was the record flood of June 2006. Deep flooding was widespread and severe throughout Unadilla.
- 17.5 ft
Main Street in Sidney is flooded up to Smith Street.
- 17 ft
The water treatment building and the Press building in Sidney are inundated.
- 16.3 ft
Widespread severe flooding occurred during the September 2011 flood.
- 16 ft
Severe flooding occurs throughout most of the Village of Unadilla as water spreads toward Railroad Street. Route 7 flooded in many areas. Clinton St., Grand St., and Avery St., along with the fire station in Sidney are flooded.
- 15 ft
Sherman Ave., Bridge St., Willow St., and Cross Street in Sidney are flooded. Amphenol and the Waste Water Treatment Plant in Sidney are flooded.
- 14.5 ft
Major flood stage. Several locations in Unadilla on the south side of Main Street are flooded. Water crosses Route 7 near Hopkins Street and floods homes to the north. Adams, Gilbert, Weir, Union Streets and the American Legion in Sidney are flooded.
- 13 ft
Moderate flood stage. Basement flooding and some first floor dwellings between Main Street and River Road are affected by flooding. This includes properties on Hopkins, Church, Dart and Mill Street.
- 11 ft
Minor flooding begins to impact fields and some properties in Unadilla between Main Street and River Road.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| Jun 29, 2006 | 17.72 ft | 35,100 cfs |
| Mar 17, 1936 | 16.6 ft | 31,300 cfs |
| Sep 8, 2011 | 16.34 ft | 29,700 cfs |
Flood map
See which streets and areas flood at each water level here. Open the flood map ↗
More on Susquehanna River
Get an alert when Susquehanna River rises
Save this gauge in the free StormCast app and pick the level that matters to you. Your phone goes off when the water gets there.

