S.D. Admin. R. 74:04:12:06

Current through Register Vol. 51, page 67, December 16, 2024

Section 74:04:12:06 - Reliably and consistently less than the maximum contaminant level

For purposes of this chapter, the term, reliably and consistently less than the maximum contaminant level, means:

(1) For VOCs, SOCs, and IOCs except nitrate and nitrite, the average of the initial sample and quarterly samples is less than the MCL;

(2) For nitrate, the average of four consecutive quarterly samples is less than 7.5 mg/L and no single sample exceeds 10 mg/L; or

(3) For nitrite, the average of four consecutive quarterly samples is less than 0.75 mg/L and no single sample exceeds 1 mg/L.

S.D. Admin. R. 74:04:12:06

31 SDR 21, effective 8/24/2004; 45 SDR 159, effective 7/1/2019

General Authority: SDCL 34A-3A-3.

Law Implemented: SDCL 34A-3A-3(2).