Unless the context clearly indicates otherwise, the following words and terms, as used in Chapter
171, shall have the following meanings:
DPWThe Hopkinton Department of Public Works.
HAZARDOUS MATERIALAny solid or liquid substance or combination of substances, including any liquid petroleum product, that, because of quantity, concentration or physical, chemical or infectious characteristics, poses a significant present or potential hazard to water supplies or to human health if disposed of into or on any land or water. Any substance deemed to be a "hazardous waste" pursuant to M.G.L. Chapter
21C, or deemed to be a toxic or hazardous substance pursuant to M.G.L. Chapter
94B, shall be deemed to be a hazardous material.
ILLICIT CONNECTIONAny drain or conveyance, whether on the surface or subsurface, that allows an illicit discharge to enter the municipal storm drain system, regardless of whether the drain or connection was previously allowed, permitted or approved before the effective date of Chapter
171. An illicit connection shall include:
● | Any conveyance that allows sewage, process wastewater, wash water or other non-stormwater discharge into the municipal storm drain system; and |
● | Any connection to the municipal storm drain system from indoor drains and sinks. |
ILLICIT DISCHARGEAny direct or indirect non-stormwater discharge, including dumping, into the municipal storm drain system, except that the following non-stormwater discharges shall not be considered illicit discharges:
● | Water line flushing; landscape irrigation; diverted stream flows; rising ground waters; uncontaminated groundwater infiltration (as defined by 40 CFR 35.2005(20)); uncontaminated pumped groundwater; discharges from potable water sources; foundation drains; air conditioning condensation; irrigation water; springs; water from crawl space pumps; footing drains; lawn watering; individual resident car washing; flows from riparian habitats and wetlands; dechlorinated swimming pool discharges; street wash water; residential building wash waters without detergents; and discharges or flow from firefighting; unless the DPW or the Planning Board determines that the discharge is a significant contributor of pollutants to the municipal storm drain system; |
● | Discharges associated with dye testing; provided, however, that the discharger shall notify the DPW before any such test; and |
● | Discharges permitted under an NPDES permit, waiver, or waste discharge order issued to the discharger under the authority of the U.S. 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 that written approval has been granted by the DPW for any discharge to the municipal storm drain system. |
POLLUTANTDredged spoil, solid waste, incinerator residue, filter backwash, sewage, garbage, sewage sludge, munitions, chemical wastes, biological materials, radioactive materials (except those regulated under the Atomic Energy Act of 1954, as amended (42 U.S.C. §
2011 et seq.)), heat, wrecked or discarded equipment, rock, sand, cellar dirt, industrial, municipal, and agricultural waste, and any other material that may cause or contribute to exceedance of water quality standards in the waters to which the storm drain system discharges.
STORMWATERAny surface flow, runoff or drainage resulting entirely from any form of natural precipitation.