(A) (1) Pursuant to the National Pollutant Discharge Elimination System Municipal Separate Storm Sewer System (MS4) Program, illicit discharges to the MS4 are defined as illegal.
(2) Except as hereinafter provided, all non-storm water discharges into the MS4 are prohibited and declared to be unlawful.
(B) It is unlawful for any person to connect any pipe, open channel, or any other conveyance system that discharges into the MS4 anything except storm water, unpolluted water, or such other substance which is approved by the town based on exemptions listed in division (E) below.
(C) It is unlawful for any person to discharge waters from residential construction activities that are not in compliance with the standard of practice for residential construction storm water management as approved by the town.
(D) In addition to illicit discharges, the discharge of spills and the dumping and/or disposal of materials other than storm water, including, but not limited to, industrial and commercial wastes, commercial car wash wastes, sewage, garbage, yard waste, trash, petroleum products, including used motor vehicle fluids, as well as leaf litter, grass clippings, and animal wastes into the MS4, whether directly or indirectly, is prohibited, unless authorized under a NPDES permit.
(E) Allowable discharges: unless the town has identified a discharge as an unacceptable source of pollutants to the waters of the state, the following non-storm water discharges into the MS4 are lawful:
(1) Discharges from emergency fire fighting activities;
(2) Diverted stream flows;
(3) Rising groundwaters;
(4) Uncontaminated groundwater infiltration to separate storm sewer systems (as defined by 40 C.F.R. § 35.2005(20);
(5) Uncontaminated pumped groundwater;
(6) Discharges from potable water sources as required for system maintenance;
(7) Drinking water line flushing;
(8) Air conditioning condensate;
(9) Uncontaminated landscape irrigation;
(10) Uncontaminated irrigation water;
(11) Lawn watering;
(12) Uncontaminated springs;
(13) Uncontaminated water from crawl space pumps;
(14) Uncontaminated water from footing drains and pumps;
(15) Individual residential car washing;
(16) Flows from riparian habitats and wetlands;
(17) De-chlorinated swimming pool discharges;
(18) Controlled flushing storm water conveyances (contained and treated by appropriate BMPs);
(19) Discharges made from residential construction sites fully and completely utilizing guidance provided by “Standard of Practice for Residential Construction Storm Water Management”;
(20) Discharges within the constraints of a national pollutant discharges elimination system (NPDES) permit from the state’s Department of Environmental Management (IDEM); and
(21) Discharges approved at the discretion of the town.
(Ord. G-12-02, passed 1-17-2012) Penalty, see § 153.99