Brandywine and Red Clay Watersheds
Map from Brandywine Conservancy Environmental Management Center
The Brandywine Watershed encompasses 330-square miles in Chester County, Pennsylvania and northern New Castle County, Delaware and is home to over 300,000 people. The Red Clay Valley encompasses fifty-five square miles of rolling hills, woodlands, and farms in Chester County, Pennsylvania and New Castle County, Delaware, and is home to nearly 50,000 people. See The Brandywine Conservancy's Environmental Management Center, The Brandywine Valley Association, and The Red Clay Valley Association for additional information.