[City Manager, passed 8-22-2022]
Terms which are not defined herein shall be interpreted as defined
in the most recent edition of Glossary: Water and Wastewater Control
Engineering, published by the Water Pollution Control Federation (WPCF),
Washington, D.C. Throughout these regulations, "shall" is mandatory,
and "may" is permissive. Unless the context specifically indicates
otherwise, the meaning of the terms used in these regulations shall
be as follows:
APPLICANT
Any person or entity applying for sewer service or for a
sewer main extension, replacement, alteration, removal or relocation.
APPROVAL
Written approval by the Department of Public Works.
AUTHORITY
The Massachusetts Water Resources Authority, or its duly
authorized representatives.
AUTHORITY SEWERAGE SYSTEM
The sewerage works under the control of the Authority, including
sewers, pump stations, treatment plants and all other works under
the control of the Authority used in collection, storage, transport,
treatment, and discharge of waters and wastes and in the operation
of the Authority's residuals program.
AVAILABLE
A public sewer or storm sewer shall be considered available
when the property upon which a building is situated abuts a street,
alley, easement or right-of-way in which a public sewer is located.
If the property line of the subject parcel is more than 100 feet from
the nearest public sewer, application may be made in writing to the
Department to declare the public sewer "not available."
BIOCHEMICAL OXYGEN DEMAND or BOD
The quantity of oxygen utilized in five days at 20° C.,
expressed in milligrams per liter (mg/l), in the biochemical oxidation
of wastewater as determined by a procedure described in Standard Methods.
BUILDING
Any structure used for human occupancy, employment, recreation
other purposes.
BUILDING DRAIN
That part of the lowest horizontal piping of a plumbing system,
which receives the discharge from soil, waste, and other pipes, inside
the walls of the building, and conveys it to the building sewer, beginning
10 feet outside the inner face of the building wall.
BUILDING SEWER
Also referred to as "house connections," shall mean the pipe
which extends from the building drain to the sewer connection conveying
wastewater to a public sewer, a private sewer, an MWRA sewer, or other
place of disposal.
BUILDING STORM DRAIN
That part of the lowest horizontal piping of a drainage system,
which receives the discharge from roof drains, foundation drains,
sump pumps, and other surface water and groundwater collection pipes;
but not from sewage, soil and other waste pipes; inside the walls
of the building and conveys it to the building storm sewer, beginning
10 feet outside the inner face of the building wall.
BUILDING STORM SEWER
The extension from the building storm drain to the connection
to the public storm drain as defined herein, or other permissible
place of disposal.
CATCH BASIN
An inlet to the storm drain system that typically includes
a grate or curb inlet where stormwater enters and a sump to capture
sediment, debris and associated pollutants.
CHEMICAL OXYGEN DEMAND or COD
The oxygen equivalent of the portion of the organic matter
that is susceptible to oxidation by a strong chemical oxidant, expressed
in milligrams per liter, as determined by a procedure described in
Standard Methods.
CITY
The City of Watertown, Massachusetts.
COLLECTION SYSTEM
The pipes, conduits, pumping stations, and appurtenances
involved in the collection and transport of wastewater and stormwater.
COMPLETELY REBUILT
The construction of a new building to replace an existing
building in its entirety.
COMPOSITE SAMPLE
A combination of individual samples of wastewater taken at
pre-selected intervals to represent the integrated composition of
the sample source.
CONTAMINATION or CONTAMINATED
An impairment in the quality of the water by sewage, industrial
fluids or waste liquids, compounds or other materials to a degree
which creates an actual hazard to the public health through poisoning
or though the spread of disease.
COOLING WATER
The water discharged from any system of condensation, air
conditioning, cooling, refrigeration, or other system of heat transfer.
DEWATERING DRAINAGE
The groundwater or surface water which is removed from a
site and discharged beyond the limits of the site by means of gravity
or pumping.
DEWATERING DRAINAGE PERMIT
The permit required and issued by the DPW for discharges
to the public collection system of dewatering drainage resulting from
activities associated with construction.
DPW
The City of Watertown Department of Public Works. However,
the City Manager has all the authority and powers of the Department
and its Superintendent.
DRAIN LAYER
A person or corporation who has met the qualifications set
by the City to install sewer or storm sewer connections.
DWELLING UNIT
A house, apartment, mobile home or trailer, group of rooms
or single room occupied or intended for occupancy as a separate living
quarter.
EASEMENT
An acquired legal right for the specific use of land owned
and maintained by others.
EFFLUENT
Wastewater or other liquid, partially or completely treated,
flowing out of a treatment facility or part thereof.
EXCESSIVE
More than the limits established in these regulations, directly
or by reference, or more than limits judged by the DPW or the MWRA
to be acceptable.
FLOATABLE OIL
Fat, oil, or grease (also referred to as "FOG") in a physical
state such that it will separate by gravity from wastewater by treatment
in an approved pretreatment facility.
GARAGE
Any building wherein one or more motor vehicles are serviced,
kept, or stored, and shall include (without limitation) a public or
private garage, carport, motor vehicle repair or paint shop, service
station, car wash, or any building used for similar purposes.
GARBAGE
The animal and vegetable wastes resulting from the domestic
or commercial handling, storage, sale, preparation, cooking, or dispensing
of food.
GENERAL SERVICE APPLICATION
The form completed by the property owner or by the owner's
agent prior to construction, reconstruction, repair or modification
to the City's sanitary sewers or storm drains. (This application
also covers connections for water and fire service.)
GRAB SAMPLE
A sample of wastewater taken on a one-time basis without
consideration of time.
GREASE TRAP
Referred to as a "grease interceptor" by the Commonwealth
of Massachusetts, Uniform State Plumbing Code and Massachusetts Fuel
Gas Code, shall mean a receptacle designed to collect and retain or
remove grease and fatty substances from wastewater normally resulting
from the commercial handling, preparation, cooking, or dispensing
of food.
GROUNDWATER
A supply of water under the earth's surface contained
within or flowing through a geological formation.
INCOMPATIBLE POLLUTANT
A substance that is not amenable to removal by the receiving
wastewater treatment plant or which may cause damage to the transmission
or treatment facilities or adversely impact overall treatment. Incompatible
pollutants include, but are not limited to, heavy metals and persistent
organics.
INDUSTRIAL USER
Any user identified in the U.S. Office of Management and
Budget's Standard Industrial Classification Manual, 1972, as
amended and supplemented, under the following divisions:
(A)
Division A - Agriculture, Forestry, and Fishing.
(C)
Division D - Manufacturing.
(D)
Division E - Transportation, Communication, Electric, Gas, and
Sanitary Service.
INDUSTRIAL WASTES
The solid, liquid, or gaseous wastes generated by industrial
users from, but not limited to, industrial manufacturing processes;
trade, business, or service activities; or the development, recovery
or processing of natural resources. Industrial wastes do not include,
and are distinct from, sanitary sewage, uncontaminated cooling water,
and uncontaminated industrial process water.
INFILTRATION
Water other than wastewater that enters any sanitary sewer
(including building sewers) from the ground through means which include,
but are not limited to, defective pipes, pipe joints, service connections,
or manholes. Infiltration does not include, and is distinguished from,
inflow.
INFLOW
Precipitation or surface runoff that enters a sanitary sewer
through direct and indirect sources such as downspouts, catch basins,
area drains, sump pumps, subsurface drains, interconnections between
sanitary sewers and storm drains, etc.
INTERCONNECTION
A physical connection between a sanitary sewer and storm
drain which allows the two separated flows to inter-mix (prohibited
in the City of Watertown).
MANHOLE
A vertical access shaft from the ground surface to a sewer
or storm drain, usually at a junction, to allow cleaning, inspection,
connections, and repairs.
MUNICIPAL SEPARATE STORM SEWER SYSTEM (MS4) or MUNICIPAL STORM
DRAIN SYSTEM
Publicly owned facilities by which stormwater is collected
and/or conveyed, including but not limited to any roads with drainage
systems, municipal streets, gutters, curbs, inlets, piped storm drains,
pumping facilities, retention and detention basins, natural and human-made
or altered drainage channels, reservoirs, and other drainage structures
that together comprise the storm drainage system owned or operated
by the City of Watertown.
MWRA
The Massachusetts Water Resources Authority.
MWRA SEWERAGE DISTRICT
The group of municipalities and other entities, including
the City, which are statutorily permitted to deliver wastewater to
the MWRA.
NATURAL OUTLET
Any outlet into a watercourse, pond, ditch, lake, or other
body of surface or groundwater.
OIL TRAP
Referred to as a "separator" by the Commonwealth of Massachusetts,
Uniform State Plumbing Code and Massachusetts Fuel Gas Code, shall
mean a receptacle used for separating materials of different specific
gravity, such as oil from water and sand from water that meets MWRA
standards.
OWNER
A person who alone or jointly or severally with others has
the legal title to any premises or has care, charge or control of
any premises as agent, executor, administrator, trustee, lessee, or
guardian of the estate of the holder of legal title.
PARTICLE SEPARATOR
A receptacle designed and installed to separate sand and
grit from water.
PERSON
Any individual, firm, company, partnership, association,
society, corporation, group, or any political subdivision of the commonwealth.
pH
The logarithm of the reciprocal of the hydrogen ion concentration,
expressed in moles per liter. Neutral water, for examine, has a pH
value of 7 and a hydrogen ion concentration of 10. Any method of measurement
approved by the U.S. Environmental Protection Agency may be used.
POLLUTANTS
Dredged spoil, solid waste, incinerator residue, wastewater,
garbage, sewage sludge, chemical wastes, biological materials, radioactive
materials, heat, rock, sand, dirt, and industrial, municipal and agricultural
waste.
POLLUTION
The presence in the environment of pollutants in quantities
or characteristics which are or may be injurious to human, plant,
or animal life or to property or which unreasonably interfere with
the comfortable enjoyment of life and property throughout such areas
as may be affected thereby.
PREMISES
A parcel of real estate or portion thereof, including any
improvements thereon, which is determined by the DPW to be a single
user for purposes of receiving, using, and paying for service.
PRETREATMENT
The reduction of the amount of pollutants, the elimination
of pollutants, or the alteration of the nature of pollutant properties
in wastewater to a less harmful state prior to or in lieu of discharging
or otherwise introducing such pollutants into the wastewater system.
Dilution is not pretreatment.
PRIVATE SEWER
A sewer which is not owned by the City or the MWRA.
PUBLIC SEWER
A sewer which is owned by the City or the MWRA.
RECEIVING WATERS
Any watercourse, river, pond, ditch, lake, aquifer, ocean,
or other body of surface water or groundwater that receives a discharge
of wastewater or effluent.
SANITARY SEWAGE
Liquid- and water-carried human and domestic wastes from
buildings, exclusive of ground, storm, and surface water, and industrial
wastes and uncontaminated cooling water and uncontaminated industrial
process water.
SANITARY SEWER
A sewer designed to carry sewage and industrial wastes.
SEWER
A pipe or conduit that carries either wastewater or storm
or surface water.
SEWER EXTENSION
The addition to a sewer system of a sewer pipe, together
with appurtenant works which extend and increase the facilities used
for collecting and conveying sewage.
SEWER USE DISCHARGE PERMIT
Formerly called "industrial user discharge permit," shall
mean the permit required and issued jointly by the DPW and the MWRA
to an industrial user for discharging wastewater to the City's
or the MWRA's wastewater system.
SLUDGE
Waste containing varying amounts of solids that are removed
from water and wastewater through treatment by physical, chemical,
or biological processes.
STANDARD METHODS
The current edition of Standard Methods for the Examination
of Water and Wastewater, as published by the American Public Health
Association, American Water Works Association, and the WPCF.
STORM DRAIN
A sewer, which carries storm and surface waters and drainage,
but excludes sewage and industrial wastes, other than those specifically
allowed by the City's general permit for stormwater discharges
from small municipal separate storm sewer systems, and subsequent
reissuances. The City's ordinance, Prohibition of Illicit Discharges
to the Storm Drainage System, regulates discharges to the City's
storm drainage system.
STORMWATER
Any surface flow, runoff, and drainage consisting entirely
of water from any form of natural precipitation, and resulting from
such precipitation.
SUBSTANTIALLY REHABILITATED
Renovations or improvements to a building totaling 51% or
more of the assessed value of the building or any increase in wastewater
flow from the property.
SUMP PUMP
A pump used to remove liquid from a sump or pit, especially
water that has accumulated in a basement.
SURFACE WATER
All water appearing on the earth's surface exposed to
the atmosphere, such as rivers, lakes, streams, and oceans.
SUSPENDED SOLIDS
Solids that either float on the surface or are in suspension
in water, wastewater, or other liquids and are removable by laboratory
filtering procedures as described in Standard Methods.
TOXIC ORGANICS
Organics listed as toxic in federal or Massachusetts regulations.
TOXIC POLLUTANT
Any pollutant identified as such in federal or Massachusetts
regulations.
UNPOLLUTED WATER
Water of a quality equal to or better than the applicable
effluent criteria or water that would not cause violation of receiving
water quality standards.
USER
Any person discharging wastewater or stormwater directly
or indirectly into the public sanitary sewers or storm drains or MS4
or MWRA interceptors within the City.
WASTE
Wastewater and any and all other waste substances, whether
liquid, solid, gaseous, or radioactive, associated with human habitation,
or of human or animal origin, or from any production, manufacturing
or processing operation.
WASTEWATER
The spent water of a community, which may be a combination
of the liquid- and water-carried wastes from buildings. Groundwater
and stormwater entering as infiltration and inflow may also be present.
WASTEWATER RETAINING TANK
A tank or a chamber for retaining wastewater for a specified
period of time prior to discharge to a wastewater system.
WASTEWATER SYSTEM
The totality of the devices, equipment or works used in transportation,
pumping, storage, treatment, recycling, or reclamation of wastewater
or in the disposal of the effluent.
WASTEWATER TREATMENT PROCESS
The physical, chemical, and biological operations and processes,
considered individually or in combination, that are applied at a wastewater
treatment plant to remove, reduce, or alter the pollutant loading
of wastewater.