... is authorized to set and change the rates it charges. N.J.S.A. 40:62-127. However, it is required by statute to set rates for ... of service" that are "uniform in all the municipalities supplied." N.J.S.A. 40:62-127(a). PVWC has four classes of customers: retail in-house ... prevent any deficit to be paid by taxation from accruing." N.J.S.A. 40:62-127(b). Weiss testified that PVWC was required to maintain a ...