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Upper Susquehanna Subbasin

Geographic features: The source of the Susquehanna River is Otsego Lake in Cooperstown, New York. From Cooperstown, the river flows southward across Pennsylvania and back into New York at Great Bend, Pennsylvania. The Susquehanna River then flows westward to be joined by the Chemung River at Sayre, Pennsylvania.

Most of the subbasin is steeply sloped with hills and ridges and dominated by forest land. Agricultural operations occupy the less steep areas. The rural population is dispersed throughout the subbasin in the form of small villages.

Drainage area:
Total - 4,944 square miles
In NY - 4,520 square miles
In PA - 424 square miles

Major tributaries: Chenango, Tioughnioga, & Unadilla

Population:
Total - 489,800* (11.8% of the total basin population)
In NY - 461,950
In PA - 27,850
*Population estimated from 2010 Census

Major population centers: Binghamton, Johnson City, Endicott, Cortland & Oneonta (all in New York)

Click here for the Upper Susquehanna Subbasin Maps & Data Atlas page.

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The source of the Susquehanna River is Otsego Lake in Cooperstown, New York.