A. No person shall discharge or cause or allow 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 stormwater.
B. The commencement, conduct or continuance of any discharge to the storm drain system is prohibited, except as described as follows:
1. Water line flushing or other potable water sources;
2. Diverted stream flows;
3. Rising groundwater;
4. Uncontaminated groundwater infiltration to storm drains;
5. Uncontaminated pumped groundwater;
6. Foundation or footing drains;
7. Crawl space pumps;
8. Air conditioning condensation;
9. Springs;
10. Individual residential washing of vehicles;
11. Natural riparian habitat or wetland flows;
12. Swimming pools (if dechlorinated - less than 1 ppm chlorine);
13. Emergency firefighting activities;
14. Discharges specified in writing by the authorized enforcement agency as being necessary to protect public health and safety;
15. Residual street wash water;
16. Dechlorinated water reservoir discharges;
17. Dye testing is an allowable discharge, but requires a verbal notification to the authorized enforcement agency prior to the time of the test.
C. The prohibition shall not apply to any nonstormwater discharge permitted under a UPDES permit, waiver or waste discharge order issued to the discharger and administered under the authority of the federal environmental protection agency or Utah department of environmental quality; 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.
D. 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.
E. This prohibition expressly includes, without limitation, connections of sanitary sewer lines to the MS4. (Ord. 2016-12, 8-16-2016; amd. Ord. 2022-03, 6-7-2022)