(A) Prohibition of illegal discharges.
(1) 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, other than storm water.
(2) The commencement, conduct or continuance of any illegal discharge to the storm drain system is prohibited, except as described as follows.
(a) The following discharges are exempt from discharge prohibitions established by this chapter:
1. Water line and hydrant flushing for maintenance;
2. Irrigation water;
3. Footing, foundation, and crawl space drains (uncontaminated);
4. Excess storm sewer cleaning water not collected by a vacuum truck (uncontaminated);
5. Fire suppression activities;
6. Uncontaminated pumped groundwater;
7. Springs;
8. Residential car washing;
9. Non-commercial car washing by community organizations;
10. External building washdown, without detergents;
11. Dechlorinated/debrominated residential swimming pool discharges;
12. Uncontaminated groundwater infiltration (as defined at 40 CFR 35.2005(20));
13. Pavement wash waters, provided spills or leaks of toxic or hazardous materials have not occurred (unless all spill material has been removed) and where detergents are not used; and
14. Uncontaminated condensate from air conditioning units, coolers, and other compressors, and from outside storage of refrigerated gases or liquids.
(b) Discharges specified in writing by the Department as being necessary to protect public health and safety.
(c) Dye testing is an allowable discharge, but requires a verbal notification to the Department prior to the time of the test.
(d) The prohibition shall not apply to 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 Federal Environmental Protection Agency; 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 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.
(3) A person is considered to 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. 2023-11, passed 8-1-2023)