Live Chat I-71 Community Nearby Traffic Cowan Lake Dam (Water dam) 2024-05-13 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Cowan Lake Dam (Water Dam) Oregonia, OH 8.69 Cuba, OH 10.85 Blanchester, OH 11.52 Interstate highway exits close to Cowan Lake Dam (Water Dam) Exit 36, i71 9.16 Exit 45, i71 10.48 Exit 32, i71 14.79 Interstate highways close to Cowan Lake Dam (Water Dam) i71 map 9.16 i75 map 30.77 i275oh map 31.91 State roads close to Cowan Lake Dam (Water Dam) OH 133 map 0.21 OH 350 map 0.45 US 22 OH map 2.61