A. Prohibition of Illegal Discharges. No person shall discharge or cause to be discharged into the municipal storm drain system or watercourses any materials, including, but not limited to, pollutants or waters containing any pollutants that cause or contribute to a violation of applicable water quality standards.
B. Exceptions. 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 or other potable water sources, landscape irrigation or lawn watering, diverted stream flows, rising groundwater, groundwater infiltration to storm drains, uncontaminated, pumped groundwater, foundation or footing drains (not including active groundwater dewatering systems), crawl space pumps, air conditioning condensation, springs, non-commercial washing of vehicles, natural riparian habitat, firefighting activities, and any other water source not containing pollutants;
2. Discharges specified in writing by ADEQ as being necessary to protect public health and safety;
3. Any non-stormwater discharge permitted under an AZPDES permit, waiver or waste discharge order issued to the discharger and administered under the authority of ADEQ, 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.
C. 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. (Ord. 1397.18, § 1 (part), 2019)