N.D. Cent. Code § 61-24-02
The "Garrison Diversion Conservancy District", hereinafter referred to as the "district" consists of that part of the state that is included within the boundaries of the following counties: Barnes, Benson, Bottineau, Burleigh, Cass, Dickey, Eddy, Foster, Grand Forks, Griggs, LaMoure, McHenry, McKenzie, McLean, Nelson, Pierce, Ramsey, Ransom, Renville, Richland, Sargent, Sheridan, Steele, Stutsman, Traill, Ward, Wells, and Williams.
The district is a governmental agency, body politic and corporate with the authority to exercise the powers specified in this chapter, or which may be reasonably implied.
Any county may join the district upon application of its board of county commissioners and the approval of the application by the board of directors of the district.
N.D.C.C. § 61-24-02