Repeals Section 54 of SL 2014-120 and Section 4.18 of SL 2015-286 (amending certain wetlands regulations pertaining to isolated wetlands).

Amends GS 143-212 (definitions pertaining to pollution control) to define isolated wetland as (2) wetlands confirmed to be isolated by the US Army Corps of Engineers prior to June 22, 2020, and (2) wetlands described as isolated in the North Carolina Wetland Assessment User Manual prepared by the North Carolina Wetland Functional Assessment Team, version 4.1, October 2010. Defines wetland as waters that are areas that are inundated or saturated by an accumulation of surface or groundwater at a frequency and duration sufficient to support, and that under normal circumstances do support, a prevalence of vegetation typically adapted for life in saturated soil conditions. Amends definition of waters to include wetland.