ARSD 74:52:02:36. Storm water discharges subject to SWD permit regulations

The following discharges are subject to the SWD permit regulations, as defined in this chapter and in 40 C.F.R. § 122 and § 123 (July 1, 2001): (1) A storm water discharge associated with industrial activity; (2) A storm water discharge from a large or medium municipal separate storm sewer system; (3) A storm water discharge from a small municipal separate storm sewer system located in an urbanized area as determined by the 2000 census by the Bureau of Census; (4) A storm water discharge from a small municipal separate storm sewer system serving a population greater than or equal to 10,000 persons; (5) A storm water discharge associated with small construction activity; and (6) A storm water discharge which the secretary determines to contribute to a violation of a water quality standard; to be a significant contributor of pollutants to the waters of the state; or to have the potential to contribute significant pollutants to waters of the state.