Live Chat I-80 Community Nearby Traffic Shongum Lake Dam (Water dam) 2024-06-09 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Shongum Lake Dam (Water Dam) Dover, NJ 2.21 Picatinny Arsenal, NJ 2.21 Ironia, NJ 2.21 Interstate highway exits close to Shongum Lake Dam (Water Dam) Exit 34b a, i80 6.86 Exit 35b a, i80 7.37 Exit 30, i80 7.46 Interstate highways close to Shongum Lake Dam (Water Dam) i80 map 6.86 i287nj map 10.66 i78 map 22.37 State roads close to Shongum Lake Dam (Water Dam) NJ MORRIS 670 map 0.16 NJ 10 map 1.62 NJ CR 513 map 1.79