The Friends of Poquessing Watershed Inc.  of Philadelphia and Bucks County
Dedicated to the Conservation and Beautification of the Poquessing Creek and Its Environs

Amusement Park Nostalgia and Forgotten Places of Philadelphia  has some great pictures of old amusement parks, including Torresdale Park, which was once located in the Poquessing Watershed. In the Forgotten Places section are pictures of the Old Lincoln Highway (Byberry-Bensalem turnpike) bridge, Dinosaur Lake, and the Penguin Flyer.

Benjamin Rush State Park

Bustleton Bowler Somerton Town Watch

Clean Ocean Action

Community College of Philadelphia

Delaware Estuary Program

Delaware River Basin Commission

Delaware Riverkeeper Network
 

Friends of Fox Chase Farm

Friends of Pennypack Park
 

Glen Foerd Conservation Corporation

International Rivers Network
 

Natural Lands Restoration  & Environmental Education Program

Northeast Philadelphia Radio Control Club

Pennsylvania Center for Environmental Education

Pennsylvania Department of Environmental Protection

Pennsylvania Forest Lands Beautification Program

Pennsylvania Environmental Council

Pennsylvania State Parks

Pennypack Environmental Center

Philadelphia Police 7th District

Raymond  Proffitt  Foundation
 

School District of Philadelphia

Somerton.Net Association provides information for people who live and work in the Somerton area of Philadelphia

U.S. Army Corps of Engineers - Philadelphia District

U.S. Environmental Protection Agency - Region 3

U.S. Environmental Protection Agency - Office of Water

U.S. Fish and Wildlife Service

U. S. Geological Survey - Water Resources -- PA

Water Resources Education Network

Watershed Education Program - PA DCNR

Zero Waste America