Such governing board shall consist of three resident freeholders of this state, who shall be voters of the drainage district and who shall be known as the commissioners of such district. Such commissioners shall hold office for a period of two years from and after the date of their appointment and until their successors are appointed and qualified, and vacancies on such board shall be filled by appointment as in the first instance.

Source: SDC 1939, § 61.1102; SDCL, § 46-23-5.