ARSD 74:51:01:49. Criteria for warmwater marginal fish life propagation waters

The criteria for warmwater marginal fish life propagation 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 ammonia nitrogen as N Equal to or less than the result from Equation 3 in Appendix A mg/L 30-day average Equal to or less than the result from Equation 2 in Appendix A mg/L daily maximum Dissolved oxygen as measured anywhere in the water column of a non-stratified water body, or in the epilimnion and metalimnion of a stratified water body > 4.0 mg/L daily minimum October 1 - April 30 > 5.0 mg/L daily minimum May 1 - September 30 Undisassociated hydrogen sulfide < 0.002 mg/L daily maximum pH > 6.0 - < 9.0 units see § 74:51:01:07 Total Suspended Solids < 150 mg/L 30-day average < 263 mg/L daily maximum Temperature < 90 °F see § 74:51:01:31