Hydrograph for Susquehanna River at Towanda

The following data is preliminary. Record information will be updated once the data has been checked.

The data shown here is a snapshot of what the river stage was during the flooding event. For the latest stages, river forecasts and other information about this site, go to the Advanced Hydrologic Prediction Service page.

What is a hydrograph? This type of graph shows how the river level changes over time at a specific location. River level or stage is in feet and on the left side of the hydrograph.

Times on the graphic are in Z time in a military or 24 hour time format. What is Z time?



Flood stage is 16 feet. Max stage on this graph is 20.83 feet, shown near the top part of the hydrograph.

Key: The purple line shows the level of a Major flood. The blue line shows the level of a Moderate flood. The red line shows flood stage.

Impacts

• 30.0 FLOOD WATERS REACH STREET LEVEL IN FRONT OF TOWANDA CITY HALL
• 25.1 THE HOMES IN THE FLATS AREA OF TOWANDA ARE INUNDATED. MAJOR FLOOD DAMAGE BEGINS
• 25.0 RAILROAD ON THE RIGHT BANK IS FLOODED
• 24.8 CREST HEIGHT OF THE RIVER AFTER THE RAPID SNOW MELT AND HEAVY RAIN EVENT JANUARY 20 1996
• 22.3 FLOOD WATER REACHES THE FLOOR LEVEL OF COTTAGES IN TARRYTOWN
• 20.0 TOWANDA IS PROTECTED BY LEVEES TO 20 FEET
• 19.0 AGRICULTURAL LANDS UPSTREAM OF GAGE ARE INUNDATED
• 18.0 BASEMENT FLOOD BEGINS IN THE FLATS AREA NEAR THE AIRPORT
• 16.0 MINOR FIELD FLOODING BEGINS FROM OVERFLOW OF BOTH BANKS UP AND DOWNSTREAM OF TOWANDA. TOWANDA IS PROTECTED BY LEVEES TO 20 FEET.