[Adopted 7-8-2019 by Ord. No. 8-2019]
It shall be unlawful to discharge to any natural outlet within
the Township of Mendham, or in any area under the jurisdiction of
said Township of Mendham, any sewage or other polluted waters, except
where suitable treatment has been provided in accordance with subsequent
provisions of this chapter.
No person shall discharge or cause to be discharged any stormwater,
surface water, groundwater, roof runoff, subsurface drainage, swimming
pool or pond water, cooling water or unpolluted industrial process
waters to any sanitary sewer.
A.
Except as hereinafter provided, no person shall discharge or cause
to be discharged any of the following described waters or wastes into
any public sanitary sewer:
(1)
Any liquid discharge greater than 10 gallons having a temperature
higher than 150° F.
(2)
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 sewerage works, such as but not limited
to nonflushable wipes, 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.
(3)
Containing mineral acidity, pH not less than 5.5.
(4)
Containing caustic alkalinity, pH not greater than 9.5.
(5)
Containing any explosive or flammable substance, gasoline, naphtha,
petroleum products, gases or vapors, either free or occluded in concentration
toxic or dangerous to humans, animals or aquatic life or to the sewer
system.
(6)
Oils, fats or grease except as may result from household, hotel or
restaurant operation, and in no event that which will solidify or
become viscous at temperatures between 32° F. and 150° F.
or exceeding 25 parts per million.
(7)
Containing insoluble substances which shall not exceed a daily average
of 500 parts per million.
(8)
Containing total solids (soluble and insoluble) exceeding a daily
average of 5,000 parts per million.
(9)
Containing chlorine demand exceeding an average greater than 20 parts
per million.
(10)
Containing five-day biological oxygen demand (BOD) exceeding
an average greater than 500 parts per million and the BOD by the dichromate
method exceeding an average greater than 700 parts per million.
(11)
Containing sulfides exceeding two parts per million.
(12)
Containing any toxic or irritating substances which will create
conditions hazardous to public health and safety.
(13)
Containing poisons in sufficient quantities to endanger man
or interfere with biological processes.
(14)
Containing phenols or orthocreosols in excess of 0.01 part per
million.
(15)
Containing any substance which the Township now or hereafter
finds to be harmful.
(16)
Containing any noxious or malodorous gas or substance capable
of creating a public nuisance.
(17)
Any garbage that has not been properly disposed in accordance
with law and/or regulation.
(18)
Any radioactive wastes or isotopes of such half-life or concentration
as may exceed limits established in accordance with law and/or regulation.
(19)
Containing unusual concentrations of inert suspended solids,
such as but not limited to fuller's earth, lime slurries and
lime residues, or of dissolved solids, such as but not limited to
sodium chloride and sodium sulfate.
(20)
Containing 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.
B.
When a blockage occurs in any sanitary sewer line due to the accumulation
of grease or prohibited discharge as set forth herein, the Township
of Mendham shall identify the establishment which caused the blockage.
The Township of Mendham or its designee may issue a summons to the
property owner upon approval of the Township Administrator, as set
forth in § 272-18(b)(3).
In addition, any waste or substance which shall cause or result
in the following shall be prohibited:
A.
Chemical reaction, either directly or indirectly, with the materials
of construction to impair the strength or durability of any sewer
structure.
B.
Mechanical action that will destroy or damage the sewer structure.
C.
Restricting hydraulic capacity of the sewer structure.
D.
Restricting normal inspection and maintenance of the sewer structure.
E.
Placing unusual demands of quantity or quality on the sewage treatment
equipment or process, plant or sewers.
F.
Limiting the effectiveness of the sewer treatment process.
G.
Danger to public health and safety.
H.
Obnoxious conditions inimical to the public interest.
I.
Excessive discoloration, such as but not limited to dye wastes and
vegetable tanning solutions.
J.
Unusual volume of flow or concentration of wastes.
A.
Oil and sand interceptors. Oil and sand interceptors shall be installed
in commercial and industrial facilities when, in the opinion of the
Township of Mendham, they are necessary for the proper handling of
liquid wastes containing oil in excessive amounts, any flammable wastes,
sand or other harmful substances. All oil and sand interceptors shall
conform to the applicable standards for soil and sand interceptors
set forth in the National Plumbing Code and shall be located as to
be readily and easily accessible for cleaning and inspection.
B.
Grease interceptors. Restaurants, cafeterias, institutional kitchens
and other installations discharging large quantities of grease shall
use a grease interceptor. A garbage grinder shall not be used when
a grease interceptor is required. The grease interceptor shall be
installed in a separate line serving that part of the plumbing system
into which the grease will be discharged. The grease interceptor shall
be located close to the source of the wastewater, where the wastewater
is still hot, to facilitate separation. Grease interceptors shall
be located, designed and constructed in a manner that will permit
easy access, inspection and cleaning.
(1)
Standards applicable to existing facilities.
(a)
Existing facilities shall have installed grease interceptors,
within 120 days, which conform to the applicable standards for grease
interceptors set forth in the National Plumbing Code. In addition,
in order to identify those grease interceptors which are malfunctioning
or of a capacity or design inadequate to properly intercept the grease
discharged, the Township of Mendham or its designee shall require
monitoring points to be installed on the premises of all existing
facilities. The Township of Mendham or its designee shall notify in
writing all property owners who shall be required to install said
monitoring points. Said monitoring points shall be installed within
120 days of receipt of the Township's written notification.
(b)
The monitoring points shall consist of cleanouts extended to
be flush with the existing grade at a point on the premises as near
to the sanitary sewer main as possible. Where multiple tenants have
separate laterals connecting to the sewer main, monitoring points
shall be installed for each individual facility to which this chapter
applies. Monitoring points with a depth of four feet or less shall
have a minimum diameter of four inches. Monitoring points with a depth
of more than four feet shall have a minimum diameter of six inches.
The cover of the cleanouts shall be brass where the top of the cleanout
is in pavement, sidewalk or other area subject to vehicle or pedestrian
traffic.
(c)
The Township of Mendham or its designee may take random samples
from the monitoring points at various times through the year. Access
to the monitoring points shall be kept reasonably open to the Township
of Mendham or its designee in order for samples to be taken. If the
Township of Mendham or its designee determines from the samples taken
that any grease interceptor is malfunctioning or of inadequate design
or capacity, he shall notify the property owner of the malfunction
or deficiency and the measures that must be taken by the property
owner to correct the malfunction or deficiency, which measures may
include the installation of a grease interceptor meeting the standards
set forth herein.
(d)
"Existing facility," as that term is used herein, shall mean
a restaurant, cafeteria, institutional kitchen or other installation
discharging large quantities of grease that is operating as such at
the time of passage of this subsection.
(2)
Standards applicable to new or altered facilities. The following
standards shall apply to new or altered facilities as follows:
(a)
Restaurants, cafeterias, and institutional kitchens shall be
constructed with a grease interceptor. The interceptor shall be sized
in accordance with all governing plumbing codes.
(b)
In no case shall a grease interceptor serving a new or altered
facility be smaller than 750 gallons in capacity. The minimum requirement
for construction, materials and foundations of grease interceptors
shall be the same as those required for septic tanks, as prescribed
in N.J.A.C. 7:9A-8.2. The inlet and outlet of the grease interceptor
shall be provided with T baffles extending to a depth of 12 inches
above the tank floor and well above the liquid level. To facilitate
maintenance, manholes extending to finished grade shall be provided.
Covers shall be of gas-tight construction and shall be designed to
withstand expected loads and prevent access by children.
(c)
"New facility," as that term is used herein, shall mean any
proposed new restaurants, cafeteria, institutional kitchen or other
installation discharging large quantities of grease.
(d)
"Altered facility," as that term is used herein, shall mean
a restaurant, cafeteria, institutional kitchen or other installation
discharging large quantities of grease which is remodeled, renovated,
reconstructed or modified, which remodeling, renovation, reconstruction
or modification requires any change in the physical configuration
of an existing grease interceptor or any of its component parts, including
replacement, modification, addition or removal of system components
such that there will be a change in the location, design, construction,
installation, size, capacity, type or number of one or more components.
(3)
Penalties.
(a)
Any person who fails to comply with any provision of this subsection,
upon conviction therefor, shall be liable to a penalty of not to exceed
$1,250.00 per day, reimbursement of costs incurred by the Township
of Mendham as a result of the noncompliance, 90 days' imprisonment
in the county jail, 90 days of community service, or any combination
of the above.
(b)
When a blockage occurs in any sanitary sewer line due to the
accumulation of grease, the licensed sewer operator of the Township
shall certify the Township of Mendham or its designee the identity
of the establishment which caused the blockage. The Township of Mendham
or its designee may issue a summons to the owner of the establishment.
Where installed, all grease, oil and sand interceptors shall
be maintained by the owner, at his expense, in continuously efficient
operation at all times. All interceptors shall be cleaned at intervals
at least every 90 days. Notice must be provided to the Township of
Mendham or its designee at least 48 hours in advance of any proposed
regular cleaning and immediately in the event of an emergency cleaning.
Proof of cleaning may be required upon the request of the Township
of Mendham or its designee. Frequency of cleaning may be required
to be increased to prevent discharge to the sewer system.
No washings from vehicles of any type shall be admitted to the
sanitary sewer system except through a silt basin of suitable size,
properly protected by a grating and trapped, from which the deposits
shall be removed by hand as often as may be required by the Township
of Mendham or its designee. All plans for such silt basins shall be
approved by the Township Engineer.
If any waters or wastes are discharged or are proposed to be
discharged to the public sanitary sewers, which waters contain the
substances or possess the characteristics enumerated in violation
of this article, and which, in the judgment of the Township of Mendham
or its designee, may have a deleterious effect upon the sewage works,
processes, equipment or receiving waters, or which otherwise create
a hazard to life, constitutes a public nuisance, or results in costs
that are in excess of the typical costs associated with the sewerage
system, the Township of Mendham or its designee may:
A.
Reject the wastes.
B.
Require pretreatment to an acceptable condition for discharge to
the public sanitary sewers.
C.
Require control over the quantities and rates of discharge.
D.
Require payment to cover the added cost of handling and treating
the wastes not covered by existing charges. Where necessary, the owner
of the premises served shall provide, at his or her expense, such
preliminary treatment as may be necessary as determined by the Township
Engineer to reduce the quality and quantity of such waste to these
limits. Plans, specifications and any other pertinent information
relating to proposed preliminary treatment facilities shall be submitted
for the approval of the Township Engineer and of the Department of
Health of the State of New Jersey, 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 of the premises served, at his
or her expense.
Where necessary, in the opinion of the Township Engineer, the
owner of any building sewer carrying industrial waste shall install
a suitable control manhole in the building sewer to facilitate observation,
sampling and measurement of the wastes. Such manholes, when required,
shall be accessible and safely located and shall be constructed in
accordance with plans approved by the Township Engineer. The manhole
shall be installed by the owner of the premises served, at his or
her own expense, and shall be maintained by him or her so as to be
safe and accessible at all times.
All measurements, tests and analysis of the characteristics of waters and wastes to which reference is made in §§ 272-15, 272-16 and 272-20 shall be determined in accordance with the latest edition of Standard Methods for the Examination of Water and Sewage and shall be determined at the control manhole provided for in § 272-22 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 sanitary 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 sewerage works and to determine the existence of hazards to life, limb and property. The particular analysis involved will determine whether a twenty-four-hour composite of all outfalls of a premises 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.
The Township responsibility extends from the street to the curb.
Maintenance of the building sewer, whether constructed by the Township
or otherwise, and building drain, from the curb to the building shall
be the responsibility of the owner of the property served.
No statement contained in this article should be construed as
preventing any special agreement or arrangement between the Township
and any industrial concern whereby an industrial waste of unusual
strength or character may be accepted by the Township for treatment
at an additional charge, provided that the Township has been advised,
in writing, by a qualified consulting sanitary engineer retained by
the Township at the expense of the industrial applicant that the industrial
waste of the applicant can be adequately treated by the then-existing
sewerage treatment plant, and at what additional cost to the applicant
for the treatment.
In the event the Township of Mendham incurs costs related to
any specific property due to remediation, excess flows, or other costs
outside of the typical maintenance charges associated with the sewerage
system, the property owner of the specific property shall be responsible
for all costs and expenses associated with the remediation, excess
flows, or other costs incurred to the Township of Mendham.
The owner of any premises upon which a sewer and/or connection
exists, is installed, is to be installed, is maintained, and/or or
is to be maintained, shall indemnify the Township from any and all
loss or damage that may indirectly or directly be occasioned by the
existence, installation, and/or maintenance thereof.
If the owner of any property in the Township shall fail to install
and/or remediate any condition related to the sewerage system as the
Township may determine requires installation and/or remediation in
the Township's sole discretion, the Township may proceed to make
such installation and/or remediation, or cause the same to be made,
and charge and assess the costs thereof against such property and/or
owner of such property.
