Fats, oils, and grease. Organic polar compounds derived from
animal and/or plant sources that contain multiple carbon chain triglyceride
molecules. These substances are detectable and measurable using analytical
test procedures established in 40 CFR, part 136, as may be amended
from time to time.
Any material recovered as a substance soluble in trichlorotrifluoroethane
including biological and mineral hydrocarbons, such as, but not limited
to, thick oils, viscous lubricants, etc. “Grease” or “greases”
does not include “fats, oils and greases,” as defined
in this section.
A device designed to use differences in specific gravities
to separate and retain light density liquids, waterborne fats, oils
and greases prior to the wastewater entering the POTW. These devices
also serve to collect settleable solids, generated by and from food
preparation activities, prior to the water exiting the trap and entering
the POTW. Grease traps and interceptors may also be referred to in
this article as “grease/interceptors.”
A device used in commercial or industrial applications designed
to use differences in specific gravities to separate and retain light
density liquids, waterborne hydrocarbon oils, greases, and settable
solids prior to the wastewater entering the sanitary sewer collection
system.
Wire basket or similar device, removable for cleaning, used
in laundry facilities, that prevents the discharge of solids 0.25
inch (6.35 mm) or larger, into the POTW.
See grit/sand trap, oil water separator.
Hydrocarbon laden material collected in and from an oil water
separator, or combination grit/sand trap or oil water separator in
the sanitary sewer service line of a commercial or industrial user.
(Ordinance 2020-O0150, sec. 18,
adopted 11/2/2020)
The following are specific prohibitions which a user must not
contribute to any POTW: A user may not contribute the following substances
to any POTW:
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Any water or waste which may contain more than two
hundred fifty (250) mg/l by weight of fat, oil or grease.
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(Ordinance 2020-O0150, sec. 18,
adopted 11/2/2020)
(a)
Grease traps/interceptors, grit/sand traps, oil water separators
and lint traps shall be provided when, in the opinion of the director
of water utilities, 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 single-family living quarters or
dwelling units. All interceptors shall be located so as to be readily
and easily accessible for cleaning and inspection.
(b)
All grease traps/interceptors, grit/sand traps, oil water separators
and lint traps (collectively or individually, “trap”)
and monitoring facilities shall comply with the city document, “subject:
grease interceptor regulations,” attached hereto as appendix
I and incorporated herein for all purposes, and shall be installed
in accordance therewith. All users shall comply with the discharge
limitations specified in this article.
(c)
Any person responsible for discharges requiring a trap shall at his
own expense and as required by the director of water utilities:
(1)
Maintain the trap in effective operating condition by removing the
oil and grease and solids buildup in the trap, subject to the exception
set forth below, at a minimum of once every ninety (90) days to ensure
compliance with this article. If a user can, at his/her own expense,
produce scientific evidence consisting of FOG test results analyzed
in accordance with Code of Federal Regulations, 40 CFR 136.3, as same
may be amended from time to time, that establishes that a ninety (90)
day pumping schedule is not necessary to otherwise comply with this
article, the director of water utilities may prescribe an alternate
maintenance interval for such user. Evaluation of the disputed trap
maintenance schedule shall be performed on a case-by-case basis requiring
scientific evidence for each individual factual situation.
(2)
Receive a copy of the manifest from the person who transports the
liquid waste and trap material and shall be responsible for maintaining
manifests at the business address of the trap for a period of not
less than three (3) years. Transporters of waste and trap material
shall provide to the director of water utilities a copy of all liquid
waste and trap material transport trip manifests. These copies shall
be due to the director of water utilities on or before the tenth (10th)
day of each month following the transportation event.
(Ordinance 2020-O0150, sec. 18,
adopted 11/2/2020)
The city may adopt charges and fees in accordance with section 1.03.004 of the Code of Ordinances of the city, which may include:
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Industry specific fees for reimbursement of costs
incurred by the city related to setting up and operating the city’s
pretreatment program, including without limitation the analysis of
FOG: $40.00.
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(Ordinance 2020-O0150, sec. 18,
adopted 11/2/2020)
