The West River Water Development District is established. The district is comprised of:
- (1) Haakon, Jones, and Mellette counties;
- (2) That portion of Jackson County north of the White River, except Interior township and the unorganized Cedar township;
- (3) That portion of Pennington County east of the Cheyenne River, except Castle Butte, Conata, Crooked Creek, Flat Butte, Imlay, and Scenic townships;
- (4) The unorganized territory of the Badlands;
- (5) That portion of the unorganized territory of east central Pennington County east of the Cheyenne River; and
- (6) That portion of Lyman County north of the White River.
Source: SL 1984 (SS), ch 1 , § 12; SL 1985, ch 357 ; SL 1990, ch 362 , § 2; SL 2025, ch 186 , § 8.