Amends GS 160A-319 to add the following public enterprises, as identified in GS 160A-311, to those for which the city does not have the authority to grant a franchise: (1) water supply and distribution systems and (2) waste water collection, treatment, and disposal systems of all types (was, a city had authority to grant franchises for any of the public enterprises listed in GS 160A-311 except cable television systems only).