A water user district may be extended by including additional territory by filing in the Department of Agriculture and Natural Resources a petition in writing, verified by the circulator of the petition, addressed to the department, signed by at least twenty-five percent of the landowners or entrymen in any area to be included, and bearing the approval by resolution, of a majority of the board of directors of the water user district, upon compliance with the requirements set forth in this chapter. The petition shall contain a description of the lands to be included.
SDCL 46A-9-20