Live Chat I-77 Community Nearby Traffic Marietta Water Treatment Plant (Water weir) 2024-05-26 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Marietta Water Treatment Plant (Water Weir) Watertown, OH 0.00 Marietta, OH 0.48 Williamstown, WV 4.79 Interstate highway exits close to Marietta Water Treatment Plant (Water Weir) Exit 1, i77 2.94 Exit 185, i77 4.67 Exit 6, i77 6.20 Interstate highways close to Marietta Water Treatment Plant (Water Weir) i77 map 2.39 i70 map 63.96 i79 map 92.95 State roads close to Marietta Water Treatment Plant (Water Weir) OH 7 map 1.56 OH 60 map 1.58 OH 26 map 1.69