[Code 1985 § 27-211; Code 2005 § 110-226]
No person shall discharge or cause to be discharged any of the
following described waters or wastes to any sanitary sewer:
(1) Any gasoline, benzene, naphtha, fuel oil or other flammable or explosive
liquid, solid or gas.
(2) Any waters or wastes containing noxious or poisonous solids, liquids
or gases in sufficient quantity, either singly or by interaction with
other wastes, to injure or interfere with any sewage treatment process
or facility, constitute a hazard to humans or animals, create a public
nuisance, or create any hazard in the receiving waters of sewage treatment
plant effluent.
(3) Any waters or wastes having a pH lower than 6.0, or causing the pH
of the sewage plant influent to rise above 9.0, or having any other
corrosive property capable of causing damage or hazard to processes,
structures, equipment and/or personnel of the sewage works.
(4) Solid, viscous or liquid substances in quantities or of such size
as to cause or be capable of causing obstruction to the flow in sewers
or other interference with the proper operation of the sewage works
such as but not limited to ashes; cinders; sand; mud; straw; shavings;
metal; glass; rags; feathers; tar; plastics; wood; unground garbage;
whole blood; paunch manure; hair and fleshings; entrails; paper products
such as dishes, cups, milk containers, etc., either whole or ground
by garbage grinders; slops; chemical residues; or bulk solids.
(5) Any strong acid, iron pickling wastes or concentrated plating solutions,
whether neutralized or not.
(6) Any unusual volume of flow or concentration of wastes constituting
slugs.
(7) Any substance that may pass through the treatment plant without being
effectively treated or otherwise reduced to acceptable concentrations
by normal treatment methods such that the sewage treatment plant effluent
cannot meet the requirements of other agencies having jurisdiction
over the discharge to the receiving waters.
(8) Any waste containing, Rheium, Strontium or Tellurium.
(9) Any waters or wastes containing substances in excess of the limits established in §
20-74 or that have been diluted solely for the purpose of meeting any concentration limits listed or implied in this section or §
20-73.
(10) Any stormwater, surface water, groundwater, roof runoff, subsurface
drainage, uncontaminated cooling water or unpolluted industrial process
waters.
[Code 1985 § 27-212; Code 2005 § 110-227]
No person shall discharge or cause to be discharged any of the
following described substances, materials, waters or wastes in concentrations,
quantities or rates in excess of those listed, except as otherwise
provided:
(1) Any liquid or vapor having a temperature higher than 150° F.
(65° C.), or any substance which causes the temperature of the
total sewage plant influent to increase at a rate of 10° or more
per hour or a combined total increase of plant influent temperature
to 110° F.
(2) Any water or waste containing fats, wax, grease or oil, whether emulsified
or not, in excess of 100 mg/l or containing substances which may solidify
or become viscous at temperatures between 32° and 150° F.
(0 and 65° C.).
(3) Any garbage that has not been properly shredded. The installation
and operation of any garbage shredder equipped with a motor of three-fourths
horsepower (0.76 hp metric) or greater shall be subject to review
and approval of the City Manager.
(4) Any radioactive wastes or isotopes of such half-life or concentration
as may exceed limits to be established by the City Manager on a case-by-case
basis in compliance with and after consultation with the appropriate
regulatory agencies.
(5) Any substance with a BOD or SS concentration in excess of 300 mg/l,
except that, upon receipt of a written application and establishment
of appropriate charges, the City Manager may, if the sewage works
has sufficient unused or uncommitted capacity, authorize the discharge
of wastes containing BOD and/or SS concentrations in excess of 300
mg/l each.
(6) Any waters or wastes with total dissolved solids concentrations greater
than 300 mg/l plus the dissolved solids in the City water supply.
(7) Any waters or wastes containing excessive discoloration or causing
excess discoloration of the effluent, including but not limited to
dye wastes and vegetable tanning solutions.
(8) Any toxic materials that have been diluted in lieu of treatment and
removal of intoxicants.
(9) Any waters, wastes or other substances containing one or more of
the following constituents in excess of the concentrations listed:
|
|
Average for 30 Connective Days
(mg/l)
|
Maximum For Any One Day
(mg/l)
|
---|
|
Antimony
|
0.01
|
|
|
Boron
|
1.0
|
|
|
Cadmium
|
0.5
|
1.0
|
|
Chromium-Hexavalent
|
1.0
|
|
|
Chromium-Total
|
5.0
|
|
|
Copper
|
1.0
|
|
|
Cyanide
|
1.0
|
|
|
Lead
|
0.4
|
0.8
|
|
Mercury
|
0.002
|
|
|
Silver
|
0.3
|
1.0
|
|
Vanadium
|
10.0
|
|
|
Zinc
|
5.0
|
|
|
Phenols
|
0.1
|
|
|
Fluoride
|
1.5
|
|
|
Nickel
|
1.8
|
3.6
|
|
Arsenic
|
0.1
|
|
(10) Limitation on elements or compounds not listed will be established
and/or limitations for elements or compounds listed will be lowered
if necessary to ensure that the effluent of the wastewater treatment
plant is in full compliance with legal requirements of county, state
or federal agencies.
[Code 1985 § 27-213; Code 2005 § 110-228]
A. If any waters or wastes are discharged or are proposed to be discharged to the public sewers, which waters contain the substances or possess the characteristics enumerated in §
20-72 and §
20-73, and which, in the judgment of the City Manager, may have a deleterious effect upon the sewage works, processes, equipment or receiving waters, or which otherwise create a hazard to life or constitute a public nuisance, the City Manager may:
(2) Require pretreatment to an acceptable condition for discharge to
the public sewers;
(3) Require control over the quantities and rates of discharge; and/or
(4) Require payment to cover the added cost of handling and treating
the wastes not covered by existing taxes or sewer charges under the
provisions of this article.
B. If the City Manager permits the pretreatment or equalization of waste
flows, the design and installation of the plants and equipment shall
be subject to the review and approval of the City Manager and subject
to the requirements of all applicable codes, ordinances and laws.
[Code 1985 § 27-214; Code 2005 § 110-229]
A. Grease, oil and sand interceptors shall be provided when, in the
opinion of the City Manager, they are necessary for the proper handling
of liquid wastes containing grease in excessive amount, or any flammable
wastes, sand or other harmful ingredients; except that such interceptors
shall not be required for private living quarters or dwelling units.
All interceptors shall be of a type and capacity approved by the City
Manager and shall be located as to be readily and easily accessible
for cleaning and inspection.
B. Grease and oil interceptors shall be constructed of impervious materials
capable of withstanding abrupt and extreme changes in temperature.
Grease and oil interceptors 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 expense, in continuously efficient operation
at all times.
[Code 1985 § 27-215; Code 2005 § 110-230]
Where preliminary treatment or flow-equalizing facilities are
provided for any waters or wastes, they shall be maintained continuously
in satisfactory and effective operation by the owner at his expense.
[Code 1985 § 27-216; Code 2005 § 110-231]
When required by the City Manager, the owner of any property
serviced by a building sewer carrying industrial waste shall install
a suitable control manhole, together with such necessary meters and
other appurtenances, in the building sewer to facilitate observation,
sampling and measurement of the wastes. Such manhole, when required,
shall be accessibly and safely located, and shall be constructed in
accordance with plans approved by the City Manager. The manhole shall
be installed by the owner at his expense and shall be maintained by
him so as to be safe and accessible at all times.
[Code 1985 § 27-217; Code 2005 § 110-232]
No statement contained in this article shall be construed as
preventing any special agreement or arrangement between the City and
any industrial concern whereby industrial wastes, except those that
would be hazardous or would cause an upset of the treatment process
or that would interfere with the operation and maintenance of the
collection and/or treatment facilities, of unusual strength or character
may be accepted by the City for treatment, subject to payment therefor
by the industrial concern in accordance with this article.