A. Prohibition Of Illegal Discharges: No person shall throw, drain, or otherwise discharge, cause or allow others under their control to throw, drain or otherwise discharge into the MS4 any pollutants or waters containing any pollutants, other than stormwater.
The commencement, conduct or continuance of any illegal discharge to the storm drain system is prohibited except as described as follows:
1. The following discharges are exempt from discharge prohibitions established by this chapter: water line flushing, landscape irrigation, diverted stream flows, rising groundwater, uncontaminated groundwater infiltration, uncontaminated pumped groundwater, discharges from potable water sources, foundation drains, sump pumps, air conditioning condensation, irrigation water, springs, water from crawl space pumps, footing drains, lawn watering, individual residential car washing, flows from riparian habitats and wetlands, dechlorinated swimming pool discharges, hot tub/spa discharges, and street wash water.
2. Discharges or flow from firefighting, and other discharges specified in writing by the city of Montevideo as being necessary to protect public health and safety.
3. Discharges associated with dye testing; however, this activity requires a verbal notification to the city of Montevideo prior to the time of the test.
4. The prohibition shall not apply to any nonstormwater discharge permitted under an NPDES permit, waiver, or waste discharge order issued to the discharger and administered under the authority of the United States environmental protection agency (EPA), provided that the discharger is in full compliance with all requirements of the permit, waiver, or order and other applicable laws and regulations, and provided that written approval has been granted for any discharge to the storm drain system.
5. Any other discharges that do not create a harmful effect on the environment.
B. Prohibition Of Illicit Connections:
1. The construction, use, maintenance or continued existence of illicit connections to the storm drain system is prohibited.
2. 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. Preexisting illicit connections shall be eliminated within six (6) months of the effective date hereof.
3. A person is considered to be in violation of this chapter if the person connects a line conveying sewage to the MS4, or allows such a connection to continue.
4. Improper connections in violation of this chapter must be disconnected and redirected, if necessary, to an approved on site wastewater management system or the sanitary sewer system upon approval of the city of Montevideo.
5. 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 of Montevideo 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 of Montevideo. (Ord. 916, 3-19-2012)