(A) Prohibition of illegal discharges.
(1) No person shall discharge or cause to be discharged into the MS4, waterbodies, or watercourses, directly or indirectly, 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, other than stormwater.
(2) The commencement, conduct, or continuance of any illegal discharge to the MS4 is prohibited except as described as follows:
(a) The following discharges are exempt from discharge prohibitions established by this subchapter: water line and hydrant flushing for maintenance; irrigation water; uncontaminated pumped ground water; uncontaminated foundation, footing, and crawl space drains; fire suppression activities; uncontaminated excess storm sewer cleaning water not collected by a vacuum truck; residential car washing; non-commercial washing of vehicles by community organizations; external building wash down without detergents; uncontaminated condensate from air conditioning units, coolers, and other compressors, and from outside storage of refrigerated gases or liquids; springs; dechlorinated/dibrominated residential swimming pool discharges; pavement wash waters provided spills or leaks of toxic or hazardous materials have not occurred (unless all spilled material has been removed) and where detergents are not used; and uncontaminated ground water infiltration (as defined in 40 CFR 35.2005(20)).
(b) Discharges specified in writing by the city as being necessary to protect public health and safety.
(c) Dye testing is an allowable discharge but requires a verbal notification to the city prior to the time of the test.
(d) The prohibition shall not apply to any non-stormwater discharge permitted under an NPDES permit, waiver, or waste discharge order issued to the discharger and administered under the authority of the USEPA or IDEM, 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.
(B) Prohibition of illicit connections.
(1) The construction, use, maintenance, or continued existence of illicit connections to the MS4 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 shall be in violation of this subchapter if the person connects a line conveying sewage to the MS4 or allows such a connection to continue.
(Ord. 34, 2004, passed 11-22-2004; Am. Ord. 20, 2023, passed 9-25-2023)