Darby Creek Watershed
Area: 78 square Miles
Population within Watershed: Approximately 500,000 people
DEP STREAM DESIGNATIONS/ USES:
Counties: Chester, Delaware, Montgomery, Philadelphia
CHESTER COUNTY MUNICIPALITIES:
Tredyffrin Twp., Easttown Twp.
DELAWARE COUNTY MUNICIPALITIES:
Radnor Twp., Newtown Twp., Marple Twp, Haverford Twp., Upper Darby Twp., Springfield Twp. Millbourne Borough, Lansdowne Borough, East Lansdowne Borough, Clifton Heights Borough, Morton Borough, Aldan Borough, Darby Borough, Yeadon Borough, Collingdale Borough, Darby Twp., Rutledge Borough, Ridley Twp., Ridley Park Borough, Prospect Park Borough, Glenolden Borough, Sharon Hill Borough, Colwyn Borough, Folcroft Borough, Norwood Borough, Tinicum Twp.
MONTGOMERY COUNTY MUNICIPALITIES:
Lower Merion Twp., Narberth Borough
City of Philadelphia
What is a Watershed?
A watershed is a land area that channel rainfall and snowmelt to creeks, streams, and rivers in a process known as the Hydrologic Cycle . ( fig 1)
Where is the Darby Creek Watershed?
Darby Creek is located within southeastern Pennsylvania and flows into the Delaware River, south of the Schuykill River and the City of Philadelphia ( fig 2). The watershed straddles the Fall Line, the imaginary physiographic line separating the Coastal Plain, vividly exemplified by the John Heinz National Wildlife Refuge at Tinicum , from the rolling hills of Piedmont
What/Where is the the Darby Creek Valley Watershed?
The Darby Creek Watershed includes more than 77 square miles and includes portions of Chester Delaware, Montgomery,and Philadelphia Counties, with all or parts of 31 municipalities. Most of the Watershed is located within Delaware County.
What makes up the Darby Creek Watershed?
Major tributaries of the Darby Creek include Cobbs Creek, Naylors Run, Indian Creek, Langford Run, Little Darby Creek, Julip Run, Ithan Creek, Meadowbrook Run, Wigwam Run, Foxes Run, Muckinipattis Creek, Hermesprota Run, Stoney Creek and Whetestone Run, all which combine to flow into the tidal Darby Creek at John Heinz National Wildlife Refuge at the Darby's juncture with the Delaware River, south of Little Tinicum Island.