» Letterkenny Army Depot
» Mechanicsburg Navy Depot
» Big Spring High School
» Several Government Cleanup Sites
» Numerous Large Wells for Guilford Township
» New Cumberland Army Depot
» Weis Foods, Berwick, PA
» Many Greenhouse Operations
» Ground Water Cleanup Sites
» Several Landfills
» Many 400 to 600 Dairy Cattle Farms
» Several Large Vegetable Farms
» Guilford Water Authority, 100hp
» Many Large Mobile Home Parks
» US Army War College
» Willard Chemical
» Constant Pressure Pumps
