Harrisburg Area Community College Stormwater Management System

Harrisburg Area Community College (HACC) wanted to improve their stormwater management system at their Gettysburg Campus, specifically to improve water quality and conservation by incorporating carefully planned best management practices (BMPs).

RETTEW worked closely with HACC and project partner Adams County Planning Commission to design a new stormwater management plan that addressed both stormwater quality and volume. RETTEW incorporated several BMPs into the new stormwater-handling system, which included retrofitting the existing stormwater basin to serve as a water quality basin and replacing the macadam with porous pavement. In addition to adding small bio-retention basins to the parking lot, RETTEW replaced concrete sidewalks and an emergency drive with various paver types to allow for better infiltration. RETTEW also provided construction costs to the client, which enabled the Adams County Planning Commission in concert with HACC to apply for appropriate grants to implement the design. In addition to helping the client administer the project, HACC used this project as an educational tool for students who were studying environmental sciences.

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