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Download Rule 74:51:01:56 in Microsoft Word Format Printer Friendly

          74:51:01:56.  Site-specific criteria for Whitewood Creek from Interstate 90 to its confluence with Gold Run Creek. In addition to the criteria of parameters for the beneficial uses assigned in § 74:51:03:10 to the segment of Whitewood Creek from Interstate 90 to its confluence with Gold Run Creek and their allowable variations as listed in § 74:51:01:55, Appendix B, § 74:51:01:46 and §§ 74:51:01:50 to 74:51:01:53, inclusive, the following site-specific criteria are established for this segment:

 

Parameter

30-day average (ug/L)

Cyanide - weak acid dissociable (WAD)

80

Cadmium, total recoverable

10

Copper, total recoverable

80

Lead, total recoverable

70

Mercury, total recoverable

0.8

Silver, total recoverable

20

 

          For the Lead-Deadwood Sanitary District effluent quality for total suspended solids may not exceed 18 mg/L as a 30-day average and effluent quality for 5-day biochemical oxygen demand may not exceed 10 mg/L as a 30-day average. For South Dakota Science and Technology Authority effluent quality for total suspended solids may not exceed 10 mg/L as a 30-day average. In accordance with the statements in this section, the existing surface water discharge permittees in this segment are exempt from the total suspended solids limits and 5-day biochemical oxygen demand limits contained in § 74:51:01:32.

 

          Source: 14 SDR 86, effective December 24, 1987; 18 SDR 169, effective April 12, 1992; 19 SDR 111, effective January 31, 1993; transferred from § 74:03:02:48, July 1, 1996; 24 SDR 10, effective July 20, 1997; 35 SDR 253, effective May 12, 2009.

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

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

 

          Cross-References: Modification of criteria for specific sites, § 74:51:01:24; Effluent limitations for discharges to trout fishery waters, § 74:51:01:32.

 


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