📍Union Lake Wildlife Management Area in Millville City and Vineland City, Cumberland County and Pittsgrove Township, Salem County is 5,206.63 acres of open space. The lake and the state-owned adjacent lands were purchased under the Green Acres Program. VISIT FOR: 🎣 FISHING The 898-acre lake is the largest lake in South Jersey and has a maximum depth of nearly 30 feet. Anglers can fish for chain pickerel, white perch, yellow perch, crappie, channel catfish and bullheads, but it is especially kn