(A) Prohibition of illegal discharges. No person shall throw, drain or otherwise discharge, cause or allow others under its control to throw, drain or otherwise discharge into the MS4 any pollutants or waters containing any pollutants, other than storm water.
(B) Exemptions to discharge prohibitions. The commencement, conduct or continuance of any illegal discharge to the storm drainage system is prohibited, except as described as follows:
(1) Discharges resulting from the following activities: water line flushing; sump pump discharge; landscape irrigation; diverted stream flows; rising ground waters; uncontaminated ground water infiltration; uncontaminated pumped ground water; discharges from potable water sources, foundation drains, 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; and street wash water;
(2) Discharges or flow from firefighting, and other discharges specified in writing by the city as being necessary to protect public health and safety;
(3) Discharges associated with dye testing. Persons performing this activity are required to verbally notify the city prior to the time of the dye test; and
(4) Any non-storm water 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 drainage system.
(C) Prohibition of illicit connections.
(1) The construction, use, maintenance or continued existence of illicit connections to the storm drainage 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.
(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.
(5) Any drain or conveyance that has not been documented in plans, maps or equivalent, and which may be connected to the storm drainage system, shall be located by the owner or occupant of that property upon receipt of written notice of violation from the city requiring that the locating be completed. The 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 by qualified persons and provided to the city in a format acceptable to the city.
(D) Prohibition of illegal disposal and dumping. No person shall throw, deposit, place, leave, maintain or keep any pollutant or substance upon any pavement, storm drain inlet or other areas exposed to precipitation that may cause pollutant or substance to become an illicit discharge. The intentional disposal of grass, leaves, dirt or other material into a water resource, buffer, street or pavement, storm drain inlet, conveyance or other component of the storm drainage system shall also be prohibited.
(Prior Code, § 912.06) (Ord. 969, passed 12-09-2019) Penalty, see § 157.999