Watershed Management Area 7
Arthur Kill

Watershed Management Area 7 includes large portions of Essex, Union and Middlesex Counties.

The mainstem of the Rahway River is 24 miles long, flowing from Union into the Arthur Kill near Linden and is tidal from the Pennsylvania Railroad Bridge at Rahway down to the mouth. Major tributaries include the East Branch Rahway River, Woodbrige River and Robinson's Branch and major impoundments are the Middlesex Reservoir, Orange Reservoir, Lower and Upper Echo Lakes and Diamond Mill Pond. The Elizabeth River is 11 miles long, much of it channelized for flood control purposes. Land uses in the Rahway and Elizabeth Watersheds are principally residential, commercial and industrial. There are 50 NJPDES permitted discharges and 12 biological monitoring stations in these watersheds.

For more information regarding watershed management areas please contact DEP's Office of Policy Implementation and Watershed Restoration at (609) 633-2201.