description Delaware Overview
The Delaware River flows about 531 kilometers from the meeting of its East and West Branches in New York to Delaware Bay and the Atlantic Ocean. It forms much of the boundary between Pennsylvania and New Jersey and passes through an important urban, industrial, and port corridor. The river basin supplies drinking water to communities including New York City and Philadelphia and supports recreation and wildlife habitat.
help Delaware FAQ
How long is the Delaware River?
The Delaware River flows for about 531 kilometers. It begins in New York and reaches Delaware Bay on the Atlantic coast.
Where does the Delaware River begin?
The river begins where its East and West Branches meet in New York. From that point it flows south through the Mid-Atlantic region.
Which states share the Delaware River boundary?
The Delaware forms much of the boundary between Pennsylvania and New Jersey. Its course also connects inland communities with the port areas around Delaware Bay.
Where does the Delaware River empty?
The river empties into Delaware Bay, which opens to the Atlantic Ocean. Its lower course runs through an important urban, industrial, and port corridor.
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