Mt Holly Wastewater Plant 131 S Main St Mount Holly, NC 28120 Phone : (704) 822-2928 Business Category Government Offices-City Village & Twp Legislative Bodies Mt Holly Water Plant North Carolina 273 & Mtn Is Rd Mount Holly, NC 28120 Phone : (704) 822-2928 Business Category Government Offices-City Village & Twp Legislative Bodies Mount Holly City Of--public Works, Water Plant Nc 273 Mount Holly, NC 28120 Phone : (704) 822-2928 Business Category City Regional & Town Planners Consultants Zoning & Planning Business Consulting Services