A.
No person shall discharge or cause to be discharged any
stormwater, surface water, groundwater, roof runoff, subsurface drainage,
cooling water, or unpolluted commercial or industrial process waters into
any public sanitary sewer.
B.
Except as hereinafter provided or under conditions specifically
approved and detailed, in writing, by the Board or Administrator, no person
shall discharge or cause to be discharged into any public sanitary sewer any
of the following described waters or wastes:
(1)
Any water or waste which may contain more than 100 parts
per million, by weight, of fat, oil, or grease.
(2)
Any gasoline, benzene, naphtha, fuel oil, or other flammable
or explosive liquid, solid, or gas.
(3)
Any garbage resulting from preparation, cooking, and
dispensing of food which has not been properly shredded.
(4)
Any ashes, cinders, sand, mud, straw, shavings, metal,
glass, rags, feathers, tar, plastics, or any other solid or viscous substance
capable of causing obstruction to the flow in sewers or other interference
with the proper operation of the sewage works.
(5)
Any waters or wastes having a pH value lower than 5.5
or higher than 9.0 or having any other corrosive property capable of causing
damage or hazard to structures, equipment, and personnel of the sewerage works.
(6)
Any waters or wastes containing a toxic, hazardous, or
poisonous substance in sufficient quantity to injure or interfere with any
sewage treatment process, constitute a hazard to humans or animals, or create
any hazard in the receiving waters of the sewage treatment plant.
(7)
Any waters or wastes containing suspended solids of such
character and quantity that unusual attention or expense is required to handle
such materials at the sewage treatment plant.
(8)
Any noxious or malodorous gas or substance capable of
creating a public nuisance.
(9)
Any waters or wastes that would require special wastewater
testing, monitoring, treatment technologies, operations or facilities or result
in new or would require more stringent final effluent standards, conditions
and requirements on the Sanitary District's VPDES permit.
(10)
Any waters or wastes prohibited or restricted from being
discharged into the Sanitary District's facilities by the laws or regulations
of the Commonwealth of Virginia or the federal government.
A.
Grease, oil, and sand interceptors shall be provided
when, in the opinion of the Sanitary District, they are necessary for the
proper handling of liquid wastes containing such ingredients or any other
ingredients of a flammable or harmful nature, except that such interceptors
shall not be required for private living quarters or dwelling units. All restaurants,
schools, hospitals, nursing homes and other institutional, commercial and
industrial food preparers shall install grease interceptors.
B.
All interceptors shall be of a type and capacity approved
by the Administrator or his/her agent. They shall be of substantial construction,
watertight, and equipped with easily removable covers which, when bolted in
place, shall be gastight and watertight.
C.
Where installed, all grease, oil, and sand interceptors
shall be maintained by the owner, at his/her expense, in continuously efficient
operation at all times. The Sanitary District Supervisor or his/her agent
may inspect interceptors and appurtenant facilities to ensure proper maintenance
and operation by the owner.
A.
The admission or proposed admission into the public sewers
of any waters or wastes resulting from any industrial or manufacturing process,
product, or comparable activity shall be subject to the review and approval
of the Sanitary District.
B.
When necessary, in the opinion of the Board or Administrator,
the owner of any such industrial or manufacturing establishment shall provide,
at his/her expense, such preliminary treatment of his/her industrial waters
or wastes as may be required to reduce objectionable characteristics or constituents
to ensure compliance with the Sanitary District's VPDES permit's final effluent
standards, conditions and requirements and/or to satisfy any other condition
which the Board or Administrator may decide is advisable in order to allow
the admission of such waters or wastes into the sanitary sewers.
C.
Six copies of plans and specifications and other pertinent
information relating to required or proposed preliminary treatment facilities
shall be submitted for the review and approval of the Administrator. No construction
of any such facilities shall be started until such approval has been obtained
in writing.
