Definitions.
BEST MANAGEMENT PRACTICE (BMP)
An activity, procedure, restraint, or structural improvement
that helps to reduce the quantity or improve the quality of stormwater
runoff.
CLEAN WATER ACT
The Federal Water Pollution Control Act (33 U.S.C. 1251 et
seq.) as may be amended from time to time.
DISCHARGE OF POLLUTANTS
The addition, from any source of any pollutant, or combination
of pollutants, into the municipal storm sewer system or into the waters
of the United States or commonwealth.
ILLICIT CONNECTION
A surface or subsurface drain or conveyance which allows
an illicit discharge into the municipal storm sewer system, including
without limitation, sewage, process wastewater, or wash water, and
any connections from indoor drains, sinks, or toilets, regardless
of whether said connection was previously allowed, permitted, or approved
before the effective date of this bylaw.
ILLICIT DISCHARGE
Direct or indirect discharge to the municipal storm sewer system that is not composed entirely of stormwater, except as exempted in Subsection
B(6). The term does not include a discharge in compliance with an NPDES Stormwater Discharge Permit or a Surface Water Discharge Permit, or resulting from fire-fighting activities exempted pursuant to Subsection
B(6)(a) of this bylaw.
IMPERVIOUS SURFACE
Any material or structure on or above the ground that prevents
water from infiltrating into the underlying soil. Impervious surface
includes without limitation, roads, paved parking lots, sidewalks,
and rooftops.
MUNICIPAL SEPARATE STORM SEWER SYSTEM (MS4) or MUNICIPAL STORM
DRAIN SYSTEM or MUNICIPAL STORM SEWER SYSTEM
A conveyance or system of conveyances (including roads with
drainage system, municipal streets, catch basins, curbs, gutters,
ditches, man-made channels, or storm drains):
(a)
Owned or operated by a state, city, town, borough, county, parish,
district, association or other public body (created by or pursuant
to state law) having jurisdiction over disposal of sewage, industrial
wastes, stormwater, or other wastes, including special districts under
state law such as a sewer district, flood control district, or drainage
district, or similar entity or an Indian tribe or an authorized tribal
organization of a designated and approved management agency under
Section 208 of the CWA that discharges to waters of the United States;
(b)
Designated or used for collecting or conveying stormwater;
(c)
Which is not a combined sewer;
(d)
Which is not part of a publicly owned treatment works (POTW)
as defined at 40 CFR 122.2.
PERSON
An individual, partnership, association, firm, company, trust,
corporation, agency, authority, department or political subdivision
of the commonwealth or the federal government, to the extent permitted
by law and any officer, employee, or agent of such person.
POLLUTANT
Any element or property of sewage, agricultural, industrial
or commercial waste, runoff, leachate, heated effluent, or other matter
whether originating at a point or nonpoint source, that is or may
be introduced into any sewage treatment works or waters of the commonwealth.
Pollutants shall include without limitation:
(a)
Paints, varnishes, and solvents;
(b)
Oil and other automotive fluids;
(c)
Nonhazardous liquid and solid wastes and yard wastes;
(d)
Refuse, rubbish, garbage, litter, or other discarded or abandoned
objects, ordinances, accumulations, and floatables;
(e)
Pesticides, herbicides, and fertilizers;
(f)
Hazardous materials and wastes, sewage, fecal coliform and pathogens;
(g)
Dissolved and particulate metals;
(i)
Rock, sand, salt, and soils with the exception of winter salting
and sanding;
(j)
Construction wastes and residues; and
(k)
Noxious or offensive matter of any kind.
PROCESS WASTEWATER
Water, which during manufacturing or processing, comes into
direct contact with or results from the production or use of any material,
intermediate product, finished product, or waste product.
RECHARGE
The process by which groundwater is replenished by precipitation
through the percolation of runoff and surface water through the soil.
STORMWATER
Rainfall runoff, snowmelt runoff, and surface water runoff
and drainage. Runoff shall mean rainfall or snowmelt water flowing
over the ground surface.
SURFACE WATER DISCHARGE PERMIT
A permit issued by the Department of Environmental Protection
(DEP) pursuant to 314 CMR 3.00 that authorizes the discharge of pollutants
to waters of the Commonwealth of Massachusetts.
TOXIC OR HAZARDOUS MATERIAL OR WASTE
Any material which because of its quantity, concentration,
or chemical, corrosive, flammable, reactive, toxic, infectious or
radioactive characteristics, either separately or in combination with
any substance or substances, constitutes a present or potential threat
to human health, safety, welfare, or to the environment. Toxic or
hazardous materials include any synthetic organic chemical, petroleum
product, heavy metal, radioactive or infectious waste; acid and alkali,
and any substance defined as toxic or hazardous under MGL c. 21C and
c. 21E, and the regulations at 310 CMR 30.000 and 310 CMR 40.0000.
WATERCOURSE
A natural or man-made channel through which water flows or
a stream of water, including a river, brook or underground stream.
WATERS OF THE COMMONWEALTH
All waters within the jurisdiction of the commonwealth, including,
without limitations, rivers, streams, lakes, ponds, springs, impoundments,
estuaries, wetlands, coastal waters, and groundwater.
WASTEWATER
Any sanitary waste, sludge, or septic tank or cesspool overflow
and process wastewater.