The purpose of this article is to control discharges into the
public sewage collection system and wastewater treatment facility
that interfere with the operations of the system, cause blockage and
plugging of pipelines and heat exchangers, interfere with normal operation
of pumps and their controls, and contribute waste of a strength or
form that either causes a violation of the Sherwood Utility WPDES
permit or is beyond the treatment capability of the wastewater treatment
plant.
As used in this article, the following terms shall have the
meanings indicated:
BEST MANAGEMENT PRACTICE
Standard operating procedure of food service facilities that
reduces or eliminates the discharge of fats and grease into the sanitary
sewer system.
FOOD SERVICE FACILITY
Those establishments primarily engaged in activities of preparing,
serving, or otherwise making available for consumption foodstuffs
and that use one or more of the following preparation activities:
cooking by frying, baking, grilling, sauteing, rotisserie cooking,
broiling, boiling, blanching, roasting, toasting, or poaching. Also
included are infrared heating, searing, barbecuing, and any other
food preparation activity that produces a hot, nondrinkable food product
in or on a receptacle that requires washing. These facilities include
but are not limited to restaurants, bakeries, cafeterias, hotels,
motels, hospitals, nursing homes, schools, grocery stores, churches,
caterers, convenience stores, movie theaters, or any other sewer users
as determined by the Sherwood Utility who discharge applicable waste.
GREASE
Material composed primarily of fats, oil, and grease (FOG)
from animal or vegetable sources. The terms "fats," "oil" and "grease"
shall be referred to as "grease" by definition. This does not include
petroleum- or mineral-based products.
GREASE INTERCEPTOR
A device for separating and retaining waterborne greases
and grease complexes prior to the wastewater exiting the interceptor
and entering the sanitary sewer collection system and treatment system.
These devices also serve to collect settleable solids, generated by
and from food preparation activities, prior to the water exiting the
interceptor and entering the sanitary sewer collection and treatment
system.
USER
Any person or establishment who or which contributes, causes,
or permits the contribution of discharge of wastewater into the Sherwood
Utility wastewater collection and treatment system.
Chemical and biological treatments such as drain cleaners, enzymes,
bacteria, acid, or any other chemical or biological additives to emulsify
or remove grease are strictly prohibited.
The general permit fee referenced in §
15-22 above shall be as prescribed in Chapter
40, Fees and Penalties, of this Code. The permit shall be effective for a three-year period.
The Sherwood Utility may approve waiver of the permit requirement
for those food service facilities that, after inspection by Sherwood
Utility personnel, pose no threat of discharging quantities of FOG
materials into the public sewerage system that would interfere with
the efficient operation of the wastewater treatment facility.