Senate committee substitute makes the following changes to the 4th edition.

Allows Cornelius, Davidson, Huntersville, Mooresville, and Troutman, if the town has adopted a noise ordinance, to enforce the ordinance on the waters of Lake Norman (was, on the waters of Lake Norman extending 2,500 feet from the 760-foot elevation line on the shore within, and adjacent to, the municipal corporate limits). Prohibits enforcing the noise ordinance with regard to engine noise emanating from the routine underway operation of any motor vessel engaged in recreational activities on the waters of the lake, except when the noise violates state law. Adds that the same municipalities may enforce state law concerning theft or vandalism of or from vessels located in, or docked in or above, the waters of Lake Norman.

Changes the effective date of the act to August 19, 2013, applicable to offenses occurring on or after that date (was, effective July 1, 2013).

Makes conforming changes to the short and long title.