N.C. Gen. Stat. § 113-17: Agreements, negotiations and conferences with federal government.

The Department is delegated as the State agency to represent North Carolina in any agreements, negotiations, or conferences with authorized agencies of adjoining or other states, or agencies of the federal government, relating to the joint administration or control over the surface or underground waters passing or flowing from one state to another under the provisions of this section. (1929, c. 297, s. 1; 1973, c. 476, s. 128; c. 1262, s. 86; 1977, c. 771, s. 4; 1989, c. 727, s. 37.)