ARSD 74:21:02:38
Plants and systems are divided into four operational categories. The four categories are as follows:
Source: 6 SDR 49, effective November 19, 1979; 13 SDR 129, 13 SDR 141, effective July 1, 1987.
General Authority: SDCL 34A-3-24.
Law Implemented: SDCL 34A-3-2.