1: What is the Schuylkill River National Heritage Area? The Schuylkill River National & State Heritage Area is located in Southeastern Pennsylvania, celebrates the rich culture and history of the Schuylkill River watershed as one of America's most significant cultural and industrial regions. The boundaries of the Heritage Area cover the Schuylkill River watershed in Schuylkill, Berks, Chester, Montgomery, and Philadelphia Counties. The Heritage Area is home to over 3.2 million people across the five counties. Approximately 1.75 million people draw their drinking water directly from the River.