In Re Woonsocket Water Department

OPINION

FAY, Chief Justice.

This case is before us on the statutory petition for certiorari of the Greater Woon-socket Chamber of Commerce (chamber) pursuant to G.L. 1956 (1984 Reenactment) § 39-5-1. 1 The chamber seeks review of the Public Utilities Commission’s (commission) Report and Order, docket No. 1857, in which the commission approved a uniform surcharge for the City of Woonsocket Water Department (water department or water utility). The chamber contends that the surcharge violates the proscription against retroactive ratemaking and, further, that the water department instituted the…