About Saw Mill Run Watershed

Saw Mill Run is the longest free flowing stream in the city of Pittsburgh. The stream is 22 miles long and drains a land area of almost 20 square miles. Twelve separate and unique communities are located in the Saw Mill Run Watershed, including more than 14 City of Pittsburgh neighborhoods.


Our Mission

Our mission is to improve and restore the health and vitality of the streams and communities in the Saw Mill Run Watershed through education, stewardship, and advocacy.  We inspire our communities by providing environmental leadership, engaging citizens in direct action, and partnering on key issues that affect the well-being of the watershed.


Saw Mill Run Communities

Baldwin Township
Bethel Park
Brentwood Borough
Castle Shannon Borough

City of Pittsburgh
Crafton Borough
Dormont Borough
Green Tree Borough

Mt. Lebonon
Mt. Oliver Borough
Scott Township
Whitehall Borough

EDS is currently winding down operations. For more than 20 years, we have served the neighborhoods south of Pittsburgh, focusing on collaboration and community growth. We appreciate the opportunity to have served these diverse communities and wish them the best for years to come.

View our Frequently Asked Questions