Tioughnioga River at Cortland NY

Cortland County, New York · USGS gauge 01509000 · NWS CRTN6 · Tioughnioga River flood status · New York river levels

Is Tioughnioga River at Cortland NY flooding right now?

Tioughnioga River at Cortland NY measured 3.36 ft on 2026-09-11 01:00:00 UTC. That observation was 4.6 ft below its 8 ft flood stage. This is the latest available reading, not a guarantee of current conditions.

Gauge height
3.36 ft
as of 79 min ago
Streamflow
224 cfs
data refreshed 1 min ago

Minor flooding here begins at 8 ft, with major flooding at 12.5 ft. The highest crest on record was 14.07 ft on Sun, Apr 3, 2005.

Flood forecast

NWS forecast, issued 12 hours ago. Forecasts are issued for select river points and update through the day.

Flood stages at this gauge

CategoryStageCurrent distance
Action7 ft3.6 ft below
Minor flood8 ft4.6 ft below
Moderate flood10 ft6.6 ft below
Major flood12.5 ft9.1 ft below

New to these numbers? What does flood stage mean? · How to read a river gauge · Why is the river rising?

Highest crests on record

StageDate
14.07 ft2005-04-03
13.82 ft1950-04-05
13.56 ft1942-12-31
13.54 ft1956-04-05
13.52 ft1960-03-31

Nearby gauges

GaugeDistanceCounty
Virgil Creek at Sh 13 at Dryden NY10.8 miTompkins County
Grout Brook near Fair Haven NY11.0 miCortland County
Grout Brook Tributary Southeast of Fair Haven NY11.6 miCortland County
Otselic River at Cincinnatus NY13.9 miCortland County
Spafford Creek Tributary near Sawmill Rd near Spafford NY15.9 miOnondaga County
Provisional data: Real-time readings are provisional and subject to revision by the USGS — sensors can be affected by ice, debris, or equipment malfunction. Do not rely on this site for decisions involving personal safety; follow official guidance from the National Weather Service and local authorities.

Sources: USGS monitoring location · NWS gauge & forecast