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1. The following discharges are exempt from discharge prohibitions established by this ordinance: water line flushing or other potable water sources, landscape irrigation or lawn watering, diverted stream flows, rising ground water, ground water infiltration to storm drains, uncontaminated pumped ground water, foundation or footing drains (not including active groundwater dewatering systems), sump pumps, crawl space pumps, air conditioning condensation, springs, non-commercial washing of vehicles, natural riparian habitat or wetland flows, dechlorinated swimming pools, and any other water source not containing pollutants. 2. Discharges or flow from fire fighting, or other activities deemed necessary by the City to protect public health and safety. 3. Consists of dye testing discharge, as long as a verbal notification is made to the City Public Works Director prior to the time of the test. 4. Consists of non-storm water discharge permitted under a NPDES permit, waiver, or waste discharge order issued and administered under the authority of the Minnesota Pollution Control Agency(MPCA). Subd. 3 Illicit Connections. A. No person shall use any illicit connection to intentionally convey non-storm water to the City's storm sewer system. B. The construction, use, maintenance or continued existence of illicit connections to the storm sewer system is prohibited. This prohibition expressly includes, without limitation, illicit connections made in the past, regardless of whether the connection was permissible under law or practices applicable or prevailing at the time of connection. C. A person is considered to be in violation of this ordinance if the person connects a line conveying wastewater to the storm sewer system, or allows such a connection to continue. D. Improper connections in violation of this division must be disconnected and redirected, if necessary,to an approved onsite wastewater management system or the sanitary sewer system upon approval of the City. E. Any drain or conveyance that has not been documented in plans, maps or equivalent, and which may be connected to the storm sewer system, shall be located by the owner or occupant of that property upon receipt of written notice of violation from the City requiring that such locating be completed. Such notice will specify a reasonable time period within which the location of the drain or conveyance is to be determined, that the drain or conveyance be identified as storm sewer, sanitary sewer or other, and that the outfall location or point of connection to the storm sewer system, sanitary sewer system or other discharge point be identified. Results of these investigations are to be documented and provided to the City.