Live Chat I-287 NJ Community Nearby Traffic Powerville Dam (Water dam) 2024-05-01 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Powerville Dam (Water Dam) Mountain Lakes, NJ 3.13 Montville, NJ 4.08 Lake Hiawatha, NJ 4.54 Interstate highway exits close to Powerville Dam (Water Dam) Exit 45, i287nj 1.30 Exit 43, i287nj 2.28 Exit 47, i287nj 3.76 Interstate highways close to Powerville Dam (Water Dam) i287nj map 1.30 i80 map 5.38 i78 map 23.66 State roads close to Powerville Dam (Water Dam) NJ MORRIS 624 map 0.58 NJ CR 511 map 0.62 NJ MORRIS ALTERNATE 1 map 1.02