74:02:09:05Irrigation pipeline
Section · Administrative Rules of South Dakota · View on sdlegislature.gov ↗
check valve. The irrigation pipeline check valve shall be located in the pipeline between the irrigation pump and the point of chemical injection into the irrigation pipeline, as illustrated in Appendix A at the end of this chapter.
Source: 15 SDR 81, 15 SDR 84, effective November 27, 1988.