(A) This section applies to all discharges, including illegal dumping, entering the storm drain system under the control of the DSM and/or the permitting officer, regardless of whether the discharge originates from developed or undeveloped lands, and regardless of whether the discharge is generated from an active construction site or a stabilized site. These discharges include flows from direct connections to the storm drain system, illegal dumping, and contaminated runoff.
(B) Storm water runoff from agricultural, timber harvesting, and mining activities is exempt from the requirements of this chapter unless determined to contain pollutants not associated with such activities or in excess of standard practices. Farm residences are not included in this exemption.
(C) Any non-storm water discharge permitted under an NPDES permit, waivers, or waste discharge order issued to the discharger and administered under the authority of the United States Environmental Protection Agency (USEPA), 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 acceptance has been granted for the subject discharge to the storm drain system, is also exempted from this chapter.
(D) Notwithstanding other requirements in this chapter, the following categories of non-storm water discharges or flows are exempt from the requirements of this chapter:
(1) Water line and hydrant flushing;
(2) Irrigation water;
(3) Footing, foundation, and crawl space drains (uncontaminated);
(4) Storm sewer cleaning water (uncontaminated);
(5) Fire suppression activities;
(6) Uncontaminated groundwater;
(7) Springs;
(8) Residential car washing;
(9) Non-commercial car washing by community organizations;
(10) External building wash down, without detergents;
(11) Dechlorinated/dibrominated residential swimming pool discharges;
(12) Uncontaminated groundwater infiltration (as defined at 40 CFR 35.2005 (20));
(13) Pavement wash waters provided spills or leaks or toxic or hazardous materials have not occurred (unless all spill material has been removed) and where detergents are not used;
(14) Uncontaminated condensate from air conditioning units, coolers, and other compressors, and from outside storage of refrigerated gases or liquids; and
(15) Dye-testing authorized by the town.
(Ord. 2023-22, passed 12-28-23)