AQUIFER
Geologic formation composed of rock, sand or gravel that contains significant amounts of potentially recoverable water.
CMR
Code of Massachusetts Regulations.
DEP
Massachusetts Department of Environmental Protection.
HAZARDOUS MATERIAL
Any substance or mixture of physical, chemical, or infectious characteristics posing a significant, actual, or potential hazard to water supplies or other hazards to human health if such substance or mixture were discharged to land or water. Hazardous materials include, without limitation: synthetic organic chemicals; petroleum products; heavy metals; radioactive or infectious wastes; acids and alkalis; solvents and thinners in quantities greater than normal household use; and all substances defined as hazardous or toxic under MGL c. 21C and c. 21E and 310 CMR 30.00.
HAZARDOUS WASTE
Any waste defined in the Massachusetts Hazardous Waste Regulations, 310 CMR 30.010. This includes, but is not limited to, waste oil, waste solvents, waste oil-based paint and waste pesticides.
IMPERVIOUS SURFACE
Material or structure on, above, or below the ground that does not allow precipitation or surface water to penetrate directly into the soil.
LANDFILL
A facility established in accordance with a valid site assignment for the purposes of disposing solid waste into or on the land, pursuant to 310 CMR 19.006.
MGL
Massachusetts General Law.
PETROLEUM PRODUCT
Petroleum or petroleum by-product including, but not limited to: fuel oil; gasoline; diesel; kerosene; aviation jet fuel; aviation gasoline; lubricating oils; oily sludge; oil refuse; oil mixed with other wastes; crude oils; or other liquid hydrocarbons regardless of specific gravity. Petroleum product shall not include liquefied petroleum gas including, but not limited to, liquefied natural gas, propane or butane.
NON-SANITARY WASTEWATER
Wastewater discharges from industrial and commercial facilities containing wastes from any activity other than collection of sanitary sewage including, but not limited to, activities specified in the Standard Industrial Classification (SIC) Codes set forth in 310 CMR 15.004(6).
OPEN DUMP
A facility operated or maintained in violation of the Resource Conservation and Recovery Act [42 U.S.C. § 4004(a)(b)[1]], or state regulations and criteria for solid waste disposal.
POTENTIAL DRINKING WATER SOURCES
Areas that could provide significant potable water in the future.
RECHARGE AREAS
Areas that collect precipitation or surface water and carry it to aquifers. Recharge areas include DEP approved Zone I, Zone II, or Zone III areas.
SEPTAGE
The liquid, solid, and semi-solid contents of privies, chemical toilets, cesspools, holding tanks, or other sewage waste receptacles. Septage does not include any material that is a hazardous waste as defined by 310 CMR 30.000.
SLUDGE
The solid, semisolid, and liquid residue that results from a process of wastewater treatment or drinking water treatment. Sludge does not include grit, screening, or grease and oil which are removed at the head-works of a facility.
TREATMENT WORKS
Any and all devices, processes and properties, real or personal, used in the collection, pumping, transmission, storage, treatment, disposal, recycling, reclamation, or reuse of waterborne pollutants, but not including any works receiving a hazardous waste from off the site of the works for the purpose of treatment, storage, or disposal.
VERY SMALL QUANTITY GENERATOR
Any public or private entity, other than residential, which produces less than 27 gallons (100 kilograms) a month of hazardous waste or waste oil, but not including any acutely hazardous waste as defined in 310 CMR 30.136.
WASTE OIL RETENTION FACILITY
A waste oil collection facility for automobile service stations, retail outlets, and marinas which is sheltered and has adequate protection to contain a spill, seepage, or discharge of petroleum waste products in accordance with MGL c. 21, § 52A.
WATER RESOURCE DISTRICT
Those land area(s) designated on a map adopted pursuant to this bylaw that provide recharge to an existing or planned public drinking water supply well. The Water Resource District includes all areas designated as a Zone II and approved by the DEP.
ZONE I
The DEP designated protective radius around a public water system well or well-field.
ZONE II
The DEP approved area of an aquifer which contributes water to a well under the most severe pumping and recharge conditions that can be realistically anticipated as defined in 310 CMR 22.00.
ZONE III
The land area beyond the area of Zone II from which surface water and groundwater drain into Zone II. The surface drainage area as determined by topography is commonly coincident with the groundwater drainage area and will be used to delineate Zone III. In some locations, where surface and groundwater drainage is not coincident, Zone III shall consist of both the surface drainage and the groundwater drainage areas.