N.C. Gen. Stat. § 116-44.7: Exemption from certain fees and charges.

No water system serving a residence hall or fraternity or sorority housing shall levy or collect any water-meter fee, water-hydrant fee, tap fee, or similar service fee on a residence hall or fraternity or sorority house with respect to supporting a supplemental fire safety protection system in excess of the marginal cost to the water system to support the fire safety protection system. (1996, 2nd Ex. Sess., c. 18, s. 16.5(a); 1997-443, s. 10.14.)