The purpose of an interior or exterior grease interceptor is
to remove grease or oil from sewage prior to discharge to the public
sanitary sewer. These interceptors serve as a small flotation chambers
where grease rises to the water surface and is retained, while the
clearer water underneath is discharged. The use of word “interceptor”
is interchangeable with the word “trap.”
(Ordinance 1998-16 adopted 12/8/98)
No water or wastewater containing substances which may solidify
or become viscous at temperatures between 32°F and 150°F shall
be discharged into any public sanitary sewer
(Ordinance 1998-16 adopted 12/8/98 Penalty, see section 10.99)
(A) The
size and type of grease interceptor shall be subject to the approval
of the county’s building inspection department.
(B) The
grease interceptor shall be installed in a line separate from other
sanitary plumbing facilities.
(C) In
general, all grease interceptors shall be designed for exterior installation
of capacity sufficient to service those grease generating fixtures
connected thereto. Wastes other than those requiring separation shall
not be discharged into the grease interceptor.
(D) Grease
traps shall be designed, located and constructed in a manner that
will permit easy access and maintenance by the user and allow inspection
by the department.
(Ordinance 1998-16 adopted 12/8/98)
The minimum requirements for interceptor sizing, construction,
materials and other features shall be those required by the Uniform
Plumbing Code, latest edition and any modifications, revisions or
amendments made by the county’s building inspection department.
(Ordinance 1998-16 adopted 12/8/98)
Grease interceptors existing upon the adoption of this chapter
shall not be exempt from the provisions in this subchapter.
(Ordinance 1998-16 adopted 12/8/98)
(A) Grease
traps shall be cleaned at or before the receptacle reaches 75% of
its design capacity.
(B) The
operator of a grease trap shall maintain a log book of all maintenance
activities and evidence of grease disposal in accordance with county,
state and federal regulations. Grease traps shall be subject to unannounced
inspection by the department’s personnel at any time during
their operation.
(Ordinance 1998-16 adopted 12/8/98 Penalty, see section 10.99)
(A) All
restaurants, cafeterias, institutional kitchens and other installations
having facilities for the preparation and serving of food in quantity,
laundromats, carwashes, gas stations, auto machinery garages and carwashes
and art shops or art galleries where the potential for discharge of
grease, oils and waxes into the sanitary sewer system exists, whose
location is within the county’s sanitary sewer service area
shall be required to install a grease interceptor.
(B) Any
facility as listed above, that is currently operating without the
required grease interceptor, even though there may have been no history
of blockages caused at or downstream from their location, shall be
required to install a grease interceptor.
(C) Customer
shall submit to the county, plans or technical drawings to install
a grease trap as required in this section, within three months after
receiving notice of noncompliance.
(D) Customer
shall then have up to six additional months to install the grease
interceptor, upon approval of the drawings by the county’s building
inspection department.
(E) An
application for a new water or sewer service connection may be denied
pending installation of a grease interceptor.
(F) Any
commercial or industrial facility, currently on an on-site sewer system
and making an application to connect to the POTW, shall install or
show proof of installation of a grease interceptor, according to the
parameters of this section, prior to approval of the application.
(G) When
any commercial or industrial facility that is found to have grease
traps which are inadequate to meet the requirements of this section,
is connected to the POTW and/or is in the process of changing owners,
lessees or renters, the fee simple owner shall be required to update
the system in compliance with these rules and regulations before the
new owner or operator will be allowed to commence discharge.
(Ordinance 1998-16 adopted 12/8/98)