A.
No person shall discharge or cause to be discharged any stormwater,
surface water, groundwater, roof runoff, subsurface drainage, uncontaminated
cooling water, sump pump discharge or unpolluted industrial process
waters to any sanitary sewer.
B.
Stormwater and all other unpolluted drainage shall be discharged
to such sewers as are specifically designed as combined sewers or
storm sewers or to a natural outlet approved by the Superintendent.
Industrial cooling water or unpolluted process waters may be discharged,
on approval of the Superintendent, to a storm sewer or natural outlet.
Cooling water discharge shall require a State Pollutant Discharge
Elimination System (SPDES) permit.
No person shall discharge or cause to be discharged any of the
following described waters or wastes to any public sewers:
A.
Any gasoline, benzene, naptha, fuel oil or other flammable or explosive
liquid, solid or gas.
B.
Any waters or wastes containing toxic or poisonous solids, liquids
or gases in sufficient quantity, either singly or by interaction with
other wastes, to injure or interfere with any sewage treatment process,
constitute a hazard to humans or animals, create a public nuisance
or create any hazard in the receiving waters of the sewage treatment
plant, including but not limited to cyanides in excess of two milligrams
per liter as CN in the wastes as discharged to the public sewer.
C.
Any waters or wastes having a pH lower than 5.5 or having any other
corrosive property capable of causing damage or hazard to structures,
equipment and personnel of the sewage works.
D.
Solid or viscous substances in quantities or of such size capable
of causing obstruction to the flow in sewers or other interference
with the proper operation of the sewage works such as but not limited
to ashes, cinders, sand, mud, straw, shavings, metal, glass, rags,
feathers, tar, plastics, wood, unground garbage, whole blood, paunch
manure, hair and fleshings, entrails and paper dishes, cups, milk
containers, etc., either whole or ground by garbage grinders.
The following described substances, materials, waters or waste
shall be limited in discharges to the municipal system to concentrations
or quantities which will not harm either the sewers, wastewater treatment
process or equipment, will have no adverse effect on the receiving
stream or will not otherwise endanger lives, limb, public property
or constitute a nuisance. The Superintendent may set limitations established
in the regulations below if, in his opinion, more severe limitations
are necessary to meet the above objectives. In forming his opinion
as to the acceptability, the Superintendent will give consideration
to such factors as the quantity of subject waste in relation to flows
and velocities in the sewers, materials of construction of the sewers,
the wastewater treatment process employed, capacity of the wastewater
treatment plant, degree of treatability of the waste in the wastewater
treatment plant and other pertinent factors. The limitations or restrictions
on materials or characteristics of waste or wastewaters discharged
to the sanitary sewer which shall not be violated without approval
of the Superintendent are as follows:
A.
Any liquid or vapor having a temperature higher than 150° F.
(65° C.) or in such quantities that the temperature at the treatment
works influent exceeds 40° C. (104° F.) unless the POTW is
designed to accommodate such heat.
B.
Any water or waste containing fats, wax, grease or oils, whether
emulsified or not, in excess of 100 milligrams per liter or containing
substances which may solidify or become viscous at temperatures between
32° and 150° F. (0° to 65° C.)
C.
Any garbage that has not been properly shredded. The installation
and operation of any garbage grinder equipped with a motor of 3/4
horsepower (0.76 horsepower metric) or greater shall be subject to
the review and approval of the Superintendent. Garbage grinders shall
not be used for disposal of plastic, paper products, inert materials
or garden wastes or wastes generated in preparation of food not normally
consumed on the premises.
D.
Any waters or wastes containing strong acid iron pickling wastes
or concentrated plating solutions, whether neutralized or not.
E.
Any waters or wastes containing iron, chromium, copper, zinc and
similar objectionable or toxic substances; or wastes exerting an excessive
chlorine requirement to such degree that any such material received
in the composite sewage at the sewage treatment works exceeds the
limits established by the Superintendent or state and federal regulations
for such materials.
F.
Any waters or wastes containing taste or odor producing substances,
in such concentrations exceeding limits which may be established by
the Superintendent.
G.
Any radioactive wastes or isotopes of such half-life or concentration
as may exceed limits established by applicable local, state or federal
regulations.
H.
Any waters or wastes having a pH in excess of 9.5.
I.
Materials which exert or cause:
(1)
Unusual concentrations of inert suspended solids such as but not
limited to fullers earth, lime slurries and lime residues or of dissolved
solids such as but not limited to sodium chloride and sodium sulfate.
(2)
Excessive discoloration such as but not limited to dye wastes and
vegetable tanning solutions.
(3)
Unusual BOD, chemical oxygen demand or chlorine requirements in such
quantities as to constitute a significant load on the sewage treatment
works.
(4)
Unusual volume of flow or concentration of wastes constituting slugs
as defined herein.
J.
Waters or wastes containing substances which are not amenable to
treatment or reduction by the sewage treatment processes employed
or are amenable to treatment only to such degree that the sewage treatment
plant effluent cannot meet the requirements of other agencies having
jurisdiction over discharge to the receiving waters.
K.
Any substance which may cause the POTW's effluent or any other
product of the POTW such as residues, sludge or scums to be unsuitable
for reclamation process where the POTW is pursuing a reuse and reclamation
program. In no case shall a substance discharged to the POTW cause
the POTW to be in noncompliance with sludge use or disposal criteria,
guidelines or regulations affecting sludge use or disposal development
pursuant to the Solid Waste Disposal Act, the Clean Air Act, the Toxic
Substance Control Act or state criteria applicable to the sludge management
method being used.
A.
If any waters or wastes are discharged or are proposed to be discharged to the public sewers, which waters contain the substances or possess the characteristics enumerated in § 163-26 of this article and which, in the judgment of the Superintendent, may have a deleterious effect upon the sewage works, processes, equipment or receiving waters or which otherwise create a hazard to life or constitute a public nuisance, the Superintendent may:
B.
If the Superintendent permits the pretreatment or equalization of
waste flows, the design and installation of the plants and equipment
shall be subject to the review and approval of the Superintendent
and subject to the requirements of all applicable codes, ordinances
and laws.
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 or 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 will be located as to be readily
and easily accessible for cleaning and inspections.
Where preliminary treatment or flow-equalizing facilities are
provided for any waters or wastes, they shall be maintained continuously
in satisfactory and effective operation by the owner at his expense.
The municipality shall require significant industrial users,
or as required by the Superintendent, to install a suitable control
manhole, together with such necessary meters and other appurtenances
in the building sewer to facilitate observation, sampling and measurement
of the wastes prior to entering the municipal sewer system. Such manhole
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 this chapter shall
be determined in accordance with the latest edition of Standard Methods
for the Examination of Water and Wastewater, published by the American
Health Association and shall be determined at the control manhole
provided 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. Sampling
shall be carried out by customarily accepted methods to reflect the
effect of constituents upon the sewage works and to determine the
existence of hazards to life, limb and property. (The particular analyses
involves will determine whether a twenty-four-hour composite of all
outfalls of a premise is appropriate or whether a grab sample or samples
should be taken. Normally, but not always, BOD and suspended solids
analyses are obtained from twenty-four-hour composites of all outfalls,
whereas pH's are determined from periodic grab samples.)
Special agreements and arrangements between the municipality
and any persons or agencies may be established when, in the opinion
of the municipality, unusual or extraordinary circumstances compel
special terms and conditions.
Major contributing industries which are industrial users of
the publicly owned treatment works that have a flow of 50,000 gallons
or more per average workday; have a flow greater than 5% of the flow
carried by the municipal system receiving the waste; have in their
waste a toxic pollutant in toxic amounts as defined in standards issued
under Section 307(a) of the Federal Water Pollution Control Act; have
been identified as one of the 21 industrial categories; or are found
by the permit issuance authority in connection with the issuance of
a SPDES permit to the publicly owned treatment works receiving the
waste to have significant impact, either singly or in combination
with other contributing industries, on that treatment works or upon
the quality of effluent from that treatment works; must comply with
federal pretreatment standards and any other applicable requirements
promulgated by the Environmental Protection Agency in accordance with
Section 307 of the Federal Water Pollution Control Act Amendments
(FWPCAA) of 1972 and any more stringent pretreatment standards necessitated
by local conditions.
Industrial users must obtain written authorization from the
Superintendent for the disposal of their wastes into the system with
periodic renewal of this authorization as directed by the Superintendent.
A.
The maximum period for such authorization shall be two years, subject
to written renewals, with each renewal having a maximum period of
two years.
B.
Any such authorization or renewal thereof is subject to withdrawal,
modification or change by the municipality should the municipality
deem the same in the public interest. Before a withdrawal, modification
or change is effected, the industrial user shall be given notice thereof
with an opportunity to be heard.
C.
No authorization shall be assigned, transferred or sold or used at
premises or in an operation or process different from that for which
the same was issued.
D.
Industrial users shall apply for a new written authorization of the
operation or process for which the same was issued is changed so that
wastewater characteristics or flow is altered.
Industrial users must, in order to obtain authorization to discharge
industrial wastes into the system, provide information describing
wastewater, including but not limited to:
A.
Volume.
B.
Constituents and characteristics of wastewater.
C.
Flow rates.
D.
Each product produced by type, amount and rate of production.
E.
A description of activities, facilities and plant process on the
premises, including all materials, processes and types of materials
which are or could be discharged.
[Amended 5-14-1991 by L.L. No. 4-1991]
All fast-food services, restaurants, meat-cutting entities,
laundromats, etc., will be required to install and maintain an approved
grease trap of such capacity and design as is reasonably required
for the size and type of business establishment. The grease trap shall
receive kitchen waste and meat-cutting or laundromat wastewater prior
to these wastes being mixed with any other wastewater.
The disposal into the sewer system of any pollutant by any person
is unlawful, except in compliance with the Federal Water Pollution
Control Act and other applicable laws, rules and regulations.
Industrial users shall notify the municipality immediately upon
accidentally discharging wastes in violation of this chapter. This
notification shall be followed, within 15 days of the date of occurrence,
by a detailed written statement describing the causes of the accidental
discharge and the measures being taken to prevent future occurrence.
Such notification will not relieve users of liability for any expense,
loss or damage to the sewer system, treatment plant or treatment process
or for any fines imposed on the municipality under applicable state
and federal regulations.
A notice shall be furnished and permanently posted on the industrial
user's bulletin board advising employees whom to call in case
of an accidental discharge in violation of this chapter. Also, copies
of this chapter are to be made available to users' employees.
Any direct or indirect connection or entry point for persistent
or deleterious wastes to the user's plumbing or drainage system
should be eliminated. Where such action is impractical or unreasonable,
the user shall approximately label such entry points to warn against
discharge of such wastes in violation of this chapter.[1]
Detailed plans showing facilities and operating procedures to
provide protection from accidental discharge of prohibited materials
or other wastes from major contributing industries shall be submitted
to the municipality for review and shall be acceptable to the municipality
before construction of the facilities.
