It shall be unlawful for any owner, tenant, or occupier of any
property in the Township abutting on any line of the public sanitary
sewer system to employ any means, either by septic tank, cesspool,
privy tank, mine hole or otherwise, for the disposal of sanitary sewage,
other than into and through said public sanitary sewers, except as
otherwise herein authorized.
No privy vault, cesspool, septic tank, mine hole or similar
receptacle for human excrement shall at any time, now or hereafter,
be connected with the aforesaid public sanitary sewers.
It shall be unlawful for any person, firm or corporation connected
to the aforementioned public sanitary sewers to connect any roof drain
thereto or permit any roof drain to remain connected thereto or to
permit, allow or cause to enter into said public sanitary sewers any
stormwater, foundation drain water, basement drain water (other than
sewage), groundwater, spring water, surface water or any sewage from
any property other than that for which a permit is issued.
No oil, tar, grease, gasoline, combustible gases or liquids, garbage or insoluble solids, hazardous wastes, or any substance that would impair or interfere with the public sanitary sewers, or any part thereof in any manner, or with the function of the processes of sewage treatment, shall be discharged into the public sanitary sewers. No person shall discharge or cause to be discharged into the public sanitary sewers any ashes, cinders, sand, mud, straw, hay, shavings, metal, glass, scrap, rags, disposable wipes, feminine hygiene products, septage, feathers, plastics, wood or any other or viscous substance capable of causing obstruction to the flow in the public sanitary sewers or other interference with the proper operation of the public sanitary sewers or the processes of sewage treatment. All sewage discharge into the public sanitary sewers shall meet the following requirements. (NOTE: refer to Article
XI for additional/revised standards. Article
XI standards shall take precedent over §
235-49 standards where a conflict may exist):
A. The five-day biochemical oxygen demand (BOD) shall not exceed 400
parts per million (ppm) by weight.
B. The suspended solids (SS) shall not exceed 400 parts per million
(ppm) by weight.
C. The total other soluble grease (grease, fats or oils) shall not exceed
25 parts per million (ppm) by weight.
D. The sewage shall be free of any corrosive, volatile, suffocating,
inflammable or explosive liquids, solids, vapor or gas, such as gasoline,
benzine, naphtha, fuel oil, tar or oil.
E. The sewage shall be free of unshredded garbage.
F. The pH (hydrogen ion concentration) of the sewage shall be between
4.5 and 9.0, and the sewage shall not have any other corrosive property
capable of causing damage or hazards to structures, equipment or personnel
of the public sanitary sewers.
G. The sewage shall be free of toxic or poisonous substances in quantities
sufficient to injure or interfere with any sewage treatment process,
constitute a hazard to humans or animals, or create any hazard in
the receiving stream of the sewage treatment plant. Toxic wastes shall
include, but not by way of limitation, wastes containing cyanide,
chromium and/or copper ions. The sewage shall contain no malodorous
gases or substances capable of creating a public nuisance.
H. The temperature of the sewage when discharged into the public sanitary
sewers shall not be higher than 100° F.
Each commercial establishment, existing or new, which uses or
produces greases or oils shall construct a grease trap to prevent
the excess greases from entering the public sanitary sewers. The following
regulations shall be complied with by each property owner required
to construct a grease trap:
A. Prior to construction of the grease trap, the property owner and/or
tenant shall prepare and submit to the Township for approval a written
schedule of maintenance to regularly clean the trap.
B. On or before March 31 of each calendar year, the property owner and/or
tenant shall submit to the Township a certified copy of the grease
trap cleaning that was performed during the past year.
C. Existing establishments required by this article to install a grease trap shall complete construction and have the grease trap in full operation no later than one year from the date of adoption of this Part
4.
D. Grease traps shall be provided on service line extensions as directed by the Township and/or Authority and in accordance with this section and §
235-56E. Grease traps shall be sized for a capacity convenient for the owner; however, it shall be large enough to hold six months' estimated grease accumulation from the structure.