S.D. Admin. R. 74:51:01:53

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

Section 74:51:01:53 - Criteria for irrigation waters

The criteria of parameters for irrigation waters and their allowable variations that are not included under § 74:51:01:55 and Appendix B, unless set under § 74:51:01:24, are as found in the following table and only apply April 1 - October 31:

Parameter	Criteria	Unit of Measure	Special Conditions
Conductivity at 25°C	[less than or equal to] 2,500	micromhos/cm	30-day average
	[less than or equal to] 4,375	micromhos/cm	daily maximum
Sodium adsorption ratio	[less than or equal to] 10	see definition

S.D. Admin. R. 74:51:01:53

SL 1975, ch 16; 47 SDR 110, effective 4/27/2021; 49 SDR 096, effective 5/14/2023

General Authority: SDCL 34A-2-10, 34A-2-11, 34A-2-93.

Law Implemented: SDCL 34A-2-10, 34A-2-11.