 The Newark Watershed comprises 35 @,@ 000 acres of reservoirs and water treatment systems for more than 500 @,@ 000 customers in northern New Jersey , including Newark and neighboring Belleville , Elizabeth , Bloomfield , and Nutley . It is considered one of the city 's greatest assets . A New Jersey State Comptroller report issued in February 2014 revealed irregularities and corruption within the Newark Watershed and Development Corporation , which is in the process of being dismantled after being taken over by the city while on Booker 's watch . 
