2012-02-22 CC Packet - Laserfiche WebLink

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conditions, in near surface unconsolidated sediment or in rock formations deeper underground. ILLICIT CONNECTION. Either of the following: (A) Any drain or conveyance, whether on the surface or subsurface, which allows an illegal discharge to enter the storm drain system (including any nonstormwater discharge) including sewage, process wastewater, and wash water and any connections to the storm drain system from indoor drains and sinks, regardless of whether the drain or connection had been previously allowed, permitted, or approved by an authorized enforcement agency; or (B) Any drain or conveyance connected from a residential, commercial or industrial land use to the storm drain system which has not been documented in plans, maps, or equivalent records and approved by an authorized enforcement agency. ILLICIT DISCHARGE. Any direct or indirect nonstormwater discharge to the storm sewer system, except as exempted herein in section 51.24(B). MPCA. The Minnesota Pollution Control Agency. MUNICIPAL SEPARATE STORM SEWER SYSTEM OR MS4. The system of conveyances (including sidewalks, roads with drainage systems, municipal streets, catchbasins, curbs, gutters, ditches, manmade channels, or storm drains) owned and operated by the city and designed or used for collecting or conveying stormwater, and which is not used for collecting or conveying sewage. NPDES. The National Pollutant Discharge Elimination System, which is the program for issuing, modifying, revoking, reissuing, terminating, monitoring, and enforcing permits under the Clean Water Act (Section 301, 318, 402, and 405) and United States Code of Federal Regulations Title 33, Section 1317, 1328, 1342, and 1345 authorizing the discharge of pollutants to water of the United States. POLLUTANT. Any substance which, when discharged has potential to or does any of the following: (1) Interferes with state designated water uses; (2) Obstructs or causes damage to public waters; (3) Changes water color, odor, or usability as a drinking water source through causes not attributable to natural stream processes affecting surface water or subsurface processes affecting groundwater; (4) Adds an unnatural surface film on the water; (5) Adversely changes other chemical, biological, thermal, or physical condition, in any surface water or stream channel; (6) Degrades the quality of ground water; or -2- 21