ARSD 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

> 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

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

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

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