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13.16.070. Illicit discharges

            No person shall discharge or cause to be discharged into the City 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.

            (1)        The commencement, conduct, or continuance of any illegal discharge to the storm drain system is prohibited except as described as follows:

                        (a)        Water line flushing or other potable water sources;

                        (b)        Landscape irrigation or lawn watering;

                        (c)        Diverted stream flows;

                        (d)        Rising ground water;

                        (e)        Uncontaminated ground water infiltration to storm drains;

                        (f)        Uncontaminated pumped ground water;

                        (g)        Foundation or footing drains (not connected to floor drains);

                        (h)        Crawl space sump pumps;

                        (i)         Air conditioning condensation;

                        (j)         Springs;

                        (k)        Individual residential car washing;

                        (l)         Natural riparian habitat or wetland flows;

                        (m)       Swimming pools (if de-chlorinated – typically less than one PPM chlorine);

                        (n)        Emergency ire fighting activities, and any other water source not containing pollutants;

                        (o)        Discharges specified in writing by the authorized enforcement agency as being necessary to protect public health and safety;

                        (p)        Residential street wash water; and

                        (q)        De-chlorinated water reservoir discharge.

            (2)        Dye testing is an allowable discharge, but requires a verbal notification to the authorized enforcement agency prior to the time of the test.

            (3)        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.

            (4)        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.  This prohibition also expressly includes, without limitation, connections of sanitary sewer lines to the MS4.

Ord. No. 06-41, Enacted 9/21/2006Ord. No. 15-34, Amended, 12/17/2015

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