Storm water is the only discharge permitted in the MS4 with exception of incidental non-storm water flows that do not negatively impact the quality of the receiving system. Incidental non-storm water flows include:
(A) Water line flushing, except super-chlorinated water line flushing;
(B) Diverted stream flows;
(C) Uncontaminated groundwater infiltration;
(D) Uncontaminated, pumped groundwater;
(E) Rising ground waters;
(F) Discharges from uncontaminated potable water sources;
(G) Collected infiltrated storm water from foundation drains or footing drains;
(H) Air conditioning condensate from residential or commercial units that is unmixed with water from a cooling tower, emissions scrubber, emissions filter, or any other source of pollutant;
(I) Uncontaminated springs;
(J) Uncontaminated, collected groundwater and infiltrated storm water from basement or crawl space pumps;
(K) A discharge or flow from individual residential car washing;
(L) A discharge or flow from a riparian habitat or wetland;
(M) Lawn watering, or landscape irrigation;
(N) Dechlorinated swimming pool discharge, drainage from swimming pool filter backwash is prohibited;
(O) Street wash water only when unmodified potable water is used;
(P) 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;
(Q) NPDES permitted discharges authorized by the EPA or NCDENR;
(R) 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 Town of Stallings prior to testing; and
(S) Removal of storm water system blockages with unmodified potable water.
(Ord. passed 5-27-2014)