No person shall discharge or cause to be discharged
any stormwater, surface water, groundwater, roof runoff, subsurface
drainage, cooling water or unpolluted industrial process waters to
any sanitary sewer.
Stormwater and all other unpolluted drainage
shall be discharged to such sewers as are specifically designated
as storm sewers or to a natural outlet approved by the Superintendent
or other public authority. Industrial cooling water or unpolluted
process waters may be discharged, upon approval of the Superintendent
or other public authority, to a storm sewer or natural outlet.
Except as hereinafter provided, no person shall
discharge or cause to be discharged to any public sewer any of the
following described waters or wastes:
A.
Any liquid or vapor having a temperature higher than
150° F.
B.
Any water or waste which may contain more than 100
parts per million by weight of fat, oil or grease.
C.
Any gasoline, benzene, naphtha, fuel oil or other
flammable or explosive liquid, solid or gas.
D.
Any garbage that has not been properly shredded.
E.
Any ashes, cinders, sand, mud, straw, shavings, metal,
glass, rags, feathers, tar, plastics, wood, paunch manure or any other
solid or viscous substance capable of causing obstruction to the flow
in sewers or other interference with the proper operation of the sewage
works.
F.
Any waters or wastes having a pH lower than 5.5 or
higher than 9.0 or having any other corrosive property capable of
causing damage or hazard to structures, equipment and personnel of
the sewage works.
G.
Any waters or wastes containing a toxic, poisonous
or radioactive substance in sufficient quantity to injure or interfere
with any sewage treatment process, constitute a hazard to humans or
animals or create any hazard in the receiving waters of the sewage
treatment plant.
H.
Any waters or wastes containing suspended solids of
such character and quantity that unusual attention or expense is required
to handle such materials at the sewage treatment plant.
I.
Any noxious or malodorous gas or substance capable
of creating a public nuisance.
A.
Grease, oil and sand interceptors shall be provided
when, in the opinion of the Superintendent, they are necessary for
the proper handling of liquid wastes containing grease in excessive
amounts or any flammable wastes, sand and other harmful ingredients,
except that such interceptors shall not be required for private living
quarters or dwelling units. All interceptors shall be of a type and
capacity approved by the Superintendent and shall be so located as
to be readily and easily accessible for cleaning and inspection.
B.
Grease and oil interceptors shall be constructed of
impervious materials capable of withstanding abrupt and extreme changes
in temperature. They shall be of substantial construction, watertight
and equipped with easily removable covers which, when bolted in place,
shall be gastight and watertight.
Where installed, all grease, oil and sand interceptors
shall be maintained by the owner at his expense in continuously efficient
operation at all times.
A.
The admission into the public sewers of any waters
or wastes having any of the following characteristics shall be subject
to the review and approval of the Superintendent:
B.
Where necessary in the opinion of the Superintendent,
the owner shall provide at his expense such preliminary treatment
as may be necessary to accomplish any of the following:
(1)
Reduce the biochemical oxygen demand to 300 parts
per million and the suspended solids to 350 parts per million by weight.
(2)
Reduce objectionable characteristics or constituents to within the maximum limits provided for in § 102-29.
(3)
Control the quantities and rates of discharge of such
waters or wastes.
C.
Plans, specifications and any other pertinent information
relating to proposed preliminary treatment facilities shall be submitted
for the approval of the Superintendent or other public authority,
and no construction of such facilities shall be commenced until said
approvals are obtained in writing.
Where preliminary treatment facilities are provided
for any waters or wastes, they shall be maintained continuously in
satisfactory and effective operation by the owner at his expense.
When required by the Superintendent, the owner
of any property served by a building sewer carrying industrial wastes
shall install a suitable control manhole in the building sewer to
facilitate observation, sampling and measurements of the wastes. Such
manhole, when required, shall be accessibly and safely located and
shall be constructed in accordance with plans approved by the Superintendent.
The manhole shall be installed by the owner at his expense and shall
be maintained by him so as to be safe and accessible at all times.
All measurements, tests and analyses of the characteristics of waters and wastes to which reference is made in §§ 102-29 and 102-32 shall be determined in accordance with Standard Methods for the Examination of Water and Sewage and shall be determined at the control manhole provided for in § 102-34 or upon suitable samples taken at said control manhole. In the event that no special manhole has been required, the control manhole shall be considered to be the nearest downstream manhole in the public sewer to the point at which the building sewer is connected.
No statement contained in this article shall
be construed as preventing any special agreement or arrangement between
the Town or other public authority and any industrial concern whereby
an industrial waste of unusual strength or character may be accepted
by the Town or other public authority for treatment, subject to payment
therefor by the industrial concern.
