R.I. Gen. Laws § 45-58-15
It is hereby declared that the Pascoag utility district, in the carrying out of its quasi-municipal purposes, is in all respects providing essential services to the people of the state of Rhode Island that improves their health, safety and welfare. Accordingly, the district shall not be required to pay taxes, assessments or sums in lieu of taxes to the state of Rhode Island or any political subdivision thereof upon any of the property now owned or acquired in the future by the district, or under its jurisdiction and/or control, possession or supervision or upon its activities or operations, or upon any earnings, revenues, moneys or other income derived by the district. The bonds issued by the district and any income therefrom shall at all times be exempt from taxation; provided, however, nothing in this section shall have any effect upon the water resources board, or the division of public utilities and carriers, and/or the public utilities commission's authority to impose regulation-related assessments and charges on Pascoag.
R.I. Gen. Laws § 45-58-15