N.C. Gen. Stat. § 14-382
It shall be unlawful for any person, firm, or corporation owning lands adjoining the lands of any person, firm, or corporation which are or may be used for dairy purposes or for grazing milk cows, to dispose of or permit disposal of any animal, mineral, chemical, or vegetable refuse, sewage or other deleterious matter in such way as to pollute the water on the lands so used or which may be used for dairy purposes or for grazing milk cows, or to render unfit or unsafe for use the milk produced from cows feeding upon the grasses and herbage growing on such lands. This section shall not apply to incorporated towns maintaining a sewer system. Anyone violating the provisions of this section shall be guilty of a Class 3 misdemeanor, and each day that such pollution is committed or exists shall constitute a separate offense.
N.C. Gen. Stat. § 14-382