Live Chat I-70 Community Nearby Traffic Porter Lake Dam (Water dam) 2024-05-01 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Porter Lake Dam (Water Dam) Gratiot, OH 3.41 Brownsville, OH 6.56 Mount Perry, OH 8.64 Interstate highway exits close to Porter Lake Dam (Water Dam) Exit 142, i70 3.92 Exit 141, i70 7.01 Exit 152, i70 11.83 Interstate highways close to Porter Lake Dam (Water Dam) i70 map 3.92 i77 map 53.53 i270oh map 56.36 State roads close to Porter Lake Dam (Water Dam) US 40 OH map 1.20 OH 668 map 6.54 OH 146 map 9.74