Tuckahoe River

The Tuckahoe River is a 27.6-mile-long (44.4 km) blackwater river in southern New Jersey in the United States.
One of the few blackwater rivers in the northeastern United States, the river drains an area of the southern Pinelands and empties into the Atlantic Ocean.

Source: Wikipedia https://en.wikipedia.org/wiki/Tuckahoe_River_(New_Jersey)