(A) Stormwater is the only discharge permitted in the stormwater system, with exception of incidental non-stormwater flows that do not negatively impact the quality of the receiving stream.
(B) Incidental non-stormwater flows include:
(1) Water line flushing, except super-chlorinated water line flushing;
(2) Landscape irrigation;
(3) Diverted stream flows;
(4) Uncontaminated groundwater infiltration (as defined at 40 C.F.R. § 35.2005(20));
(5) Uncontaminated, pumped groundwater;
(6) Rising groundwaters;
(7) Discharges from uncontaminated potable water sources;
(8) Collected infiltrated stormwater from foundation drains or footing drains;
(9) Air conditioning condensate from residential or commercial units;
(10) Irrigation water (does not include reclaimed water as described in 15A NCAC 2H .0200);
(11) Uncontaminated springs;
(12) Uncontaminated, collected groundwater and infiltrated stormwater from basement or crawl-space pumps;
(13) Lawn watering;
(14) Dechlorinated swimming pool discharge;
(15) Street wash water only when unmodified potable water is used;
(16) Flows from emergency fire and rescue operations other than those resulting from negligence on the part of the person who owned or controlled the pollutant;
(17) Residential and charity vehicle washing. Designated vehicle wash areas at multi-family residential complexes are not allowed if they connect, directly or indirectly, to the stormwater system or surface waters. Charity vehicle washing performed by the same organization or at the same location on a ROUTINE BASIS (more than one time in a 30-day period) is not allowed under this chapter;
(18) Flows from riparian habitats and wetlands;
(19) NPDES permitted discharges authorized by the EPA or NC DENR;
(20) Dye testing, using suitable dyes, for verifying cross-connections, tracing plumbing lines, determining flow direction or rate, and for similar purposes, provided that verbal notification by non-governmental entities is provided to the City of Locust prior to testing; and
(21) Removal of stormwater system blockages with unmodified potable water.
(Ord. passed 10-8-2015)