S.D. Admin. R. 74:51:01:52

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

Section 74:51:01:52 - Criteria for fish and wildlife propagation, recreation, and stock watering waters

The criteria of parameters for fish and wildlife propagation, recreation, and stock watering 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:

Parameter	Criteria	Unit of Measure	Special Conditions
Total alkalinity as calcium carbonate	< 750	mg/L	30-day average
< 1313	mg/L	daily maximum
Total dissolved solids	< 2,500	mg/L	30-day average
< 4,375	mg/L	daily maximum
Conductivity at 25°C	< 4,000	micromhos/cm	30-day average
< 7,000	micromhos/cm	daily maximum
Nitrates as N	< 50	mg/L	30-day average
< 88	mg/L	daily maximum
pH	> 6.0 - < 9.5	units	see § 74:51:01:07
Total petroleum hydrocarbon	< 10	mg/L	see § 74:51:01:10
Oil and grease	< 10	mg/L	see § 74:51:01:10

SL 1975, ch 16, § 1; 4 SDR 32, effective 12/4/1977; transferred from § 34:04:02:42, effective 7/1/1979; 10 SDR 145, effective 7/4/1984; 13 SDR 129, 13 SDR 141, effective 7/1/1987; 19 SDR 111, effective 1/31/1993; transferred from § 74:03:02:42, July 1, 1996; 24 SDR 10, effective 7/20/1997; 25 SDR 98, effective 1/27/1999.

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

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