In addition to definitions generally applicable to the Zoning Bylaw as set forth in §
175-2.2, for purposes of this article, the following terms shall have the meanings indicated:
AQUIFERGeologic formation composed of rock, sand or gravel that contains significant amounts of potentially recoverable water.
IMPERVIOUS SURFACEMaterial or structure on, above, or below the ground that does not allow precipitation or surface water to penetrate directly into the soil.
MININGThe removal or relocation of geological materials such as topsoil, sand, gravel, metallic ores or bedrock.
RECHARGE AREASAreas that collect precipitation or surface water and carry it to aquifers. Recharge areas may include areas designated as Zone I, Zone II, or Zone III.
TOXIC OR HAZARDOUS MATERIALSAny substance or mixture of physical, chemical, or infectious characteristics posing significant, actual or potential hazard to water supplies or other hazards to human health if such substance or mixture were discharged to the land or water of the Town of Norton. Toxic or hazardous materials include, without limitation, synthetic organic chemicals, petroleum products, heavy metals, radioactive or infectious wastes, acids and alkalis and all substances defined as toxic or hazardous under Massachusetts General Laws (MGL) Chapters 21C and 21E and 310 Code of Massachusetts Regulations.
WATER RESOURCE PROTECTION DISTRICTThe area defined as Zone I, Zone II and Zone III delineated as such on the map titled "Water Resource Protection District" prepared by Dufresne-Henry Inc. and dated April 1996.
ZONE IThe protective radius required around a public water supply well or well field.
ZONE IIThe area of an aquifer which contributes water to a well under the most severe pumping and recharge conditions that can be realistically anticipated (180 days of pumping at safe yield with no recharge from the precipitation), as defined in 310 CMR 22.00.
ZONE IIIThe land area beyond the area of Zone II from which surface water and groundwater drain into Zone II as defined in 310 CMR 22.00.