Live Chat I-81 Community Nearby Traffic Number One Dam (Water dam) 2024-06-10 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Number One Dam (Water Dam) Ravine, PA 0.00 Seltzer, PA 2.97 Saint Clair, PA 3.28 Interstate highway exits close to Number One Dam (Water Dam) Exit 124b a, i81 5.66 Exit 119, i81 6.60 Exit 116, i81 9.81 Interstate highways close to Number One Dam (Water Dam) i81 map 5.66 i78 map 25.09 i80 map 31.88 State roads close to Number One Dam (Water Dam) PA 901 map 4.29 US 209 PA map 4.99 PA 61 map 5.13