Amends GS 162A-6(a)(14c), concerning the powers and duties of water and sewer authorities to adopt ordinances, making technical and clarifying changes. Also adds the authority to adopt ordinances for the regulation and control of a water system owned or operated by the authority. Adds two additional powers to the list, including entering into reimbursement agreements with private developers and property owners for the design and construction of infrastructure that is included on the authority's capital improvement plan and that serves the developer or property owner. Sets out processes for entering such agreements. Authorizes water and sewer authorities to offer and pay rewards in an amount not to exceed $500 for information leading to the arrest and conviction of any person who willfully defaces, damages or destroys, or commits acts of vandalism or larceny of any authority property.