Live Chat I-35 Community Nearby Traffic Lake Blackwell Dam (Water dam) 2024-04-30 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Lake Blackwell Dam (Water Dam) South Haven, KS 14.28 Blackwell, OK 15.92 Nardin, OK 16.57 Interstate highway exits close to Lake Blackwell Dam (Water Dam) Exit 231, i35 0.72 Exit 230, i35 1.64 Exit 4, i35 13.19 Interstate highways close to Lake Blackwell Dam (Water Dam) i35 map 0.72 i135ks map 73.79 i44 map 141.73 State roads close to Lake Blackwell Dam (Water Dam) US 81 KS map 13.50 OK 11 map 14.20 US 81 OK map 24.91