[Ord. No. 1209 Art. I § 2, 6-13-1983]
No user shall contribute or cause to be contributed, directly
or indirectly, any pollutant or wastewater which will interfere with
the operation or performance of the POTW. These general prohibitions
apply to all such users of a POTW, whether or not the user is subject
to National Categorical Pretreatment Standards or any other National,
State or local pretreatment standards or requirements. A user may
not contribute the following substances to any POTW:
A.
Any liquids, solids, or gases which, by reason of their nature or
quantity, are or may be sufficient, either alone or by interaction
with other substances, to cause fire or explosion or be injurious
in any other way to the POTW or to the operation of the POTW. At no
time shall two (2) successive readings on an explosion hazard meter,
at the point of discharge into the system or at any point in the system
be more than five percent (5%), or any single reading over ten percent
(10%), of the lower explosive limit (LEL) of the meter. Prohibited
materials include, but are not limited to, gasoline, kerosene, naphtha,
benzene, toluene, xylene, ethers, alcohols, ketones, aldehydes, peroxides,
chlorates, perchlorates, bromates, carbides, hydrides and sulfides
and any other substances which the City, the State or the EPA has
notified the user is a fire hazard or a hazard to the system.
B.
Solid or viscous substances which may cause obstruction to the flow
in a sewer or other interference with the operation of the wastewater
treatment facilities such as, but not limited to, grease, garbage
with particles greater than one-half (1/2) inch in any dimension,
animal guts or tissues, paunch manure, bones, hides or fleshings,
entrails, whole blood, feathers, ashes, cinders, sand, spent lime,
stone or marble dust, metal, glass, straw, shavings, grass clippings,
rags, spent grains, spent hops, wastepaper, wood, plastics, gas, tar,
asphalt residues, residues from refining or processing of fuel or
lubricating oil, mud or glass grinding or polishing wastes.
C.
Any wastewater having a pH less than 5.0, unless the POTW is specifically
designed to accommodate such wastewater, or wastewater having any
other corrosive property capable of causing damage or hazard to structures,
equipment and/or personnel of the POTW.
D.
Any wastewater containing toxic pollutants in sufficient quantity,
either singly or by interaction with other pollutants, to injure or
interfere with any wastewater treatment process, constitute a hazard
to humans or animals, create a toxic effect in the receiving waters
of the POTW or exceed the limitation set forth in a categorical pretreatment
standard. A toxic pollutant shall include, but not be limited to,
any pollutant identified pursuant to Section 307 (a) of the Act.
E.
Any noxious or malodorous liquids, gases or solids which, whether
singly or by interaction with other wastes, are sufficient to create
a public nuisance or hazard to life or are sufficient to prevent entry
into the sewers for maintenance and repair.
F.
Any substance which may cause the POTW's effluent or any other
product of the POTW, such as residues, sludges or scums, to be unsuitable
for reclamation and reuse or to interfere with the reclamation process.
In no case shall a substance discharged to the POTW cause the POTW
to be in non-compliance with sludge use or disposal criteria, guidelines
or regulations developed under Section 405 of the Act, any criteria,
guidelines or regulations affecting sludge use or disposal developed
pursuant to the Solid Waste Disposal Act, the Clean Air Act, the Toxic
Substances Control Act or State criteria applicable to the sludge
management method being used.
G.
Any unusually high weights of substances which will cause the POTW
to violate its NPDES and/or State disposal system permit or the receiving
water quality standards.
H.
Any wastewater with objectionable color which cannot be removed in
the treatment process, such as, but not limited to, dye wastes and
vegetable tanning solutions.
I.
Any wastewater having a temperature which will inhibit biological
activity in the POTW treatment plant resulting in interference, but
in no case wastewater with a temperature at the introduction into
the POTW collection lines which exceeds sixty degrees (60°) Centigrade
(one hundred forty degrees (140°) Fahrenheit), or which causes
the flow entering the POTW treatment plant to exceed forty degrees
(40°) Centigrade (one hundred four degrees (104°) Fahrenheit).
J.
Any pollutants, including oxygen demanding pollutants (BOD, COD,
etc.), released at a flow rate and/or pollutant concentration which
a user knows or has reason to know will cause interference to the
POTW. In no case shall a slug load have a flow rate or contain concentration
or qualities of pollutants that exceed for any time period longer
than fifteen (15) minutes more than five (5) times the average twenty-four
(24) hour concentration, quantities or flow during normal operation.
K.
Any wastewater containing any radioactive wastes or isotopes of such
half-life or concentration as may exceed five (5) pecacures per liter
at a confidence level of ninety-five percent (95%) or as may be established
by applicable State or Federal regulations.
L.
Any wastewater which causes a hazard to human life or creates a public
nuisances.
When the City determines that a user is contributing to the
POTW any of the above enumerated substances in such amounts as to
interfere with the operation of the POTW, the City shall:
[Ord. No. 1209 Art. I § 2, 6-13-1983]
Upon the promulgation of the Federal Categorical Pretreatment
Standards for a particular industrial subcategory, the Federal standard,
if more stringent than limitations imposed under this Chapter for
sources in that subcategory, shall immediately supersede the City
limitations imposed under this Chapter. The City shall notify all
affected users of the applicable reporting requirements under 40 CFR,
Section 403.12.
[Ord. No. 1209 Art. I § 2, 6-13-1983]
Where the City's wastewater treatment system achieves consistent
removal of pollutants limited by Federal Categorical Pretreatment
Standards, the City may apply to the approval authority for modification
of specific limits in the Federal Categorical Pretreatment Standards. "Consistent removal" shall mean reduction in the amount
of a pollutant or alteration of the nature of the pollutant by the
wastewater treatment system to a less toxic or harmless state in the
effluent, which is achieved by the system in ninety-five percent (95%)
of the samples taken when measured according to the procedures set
forth in Section 403.7 (c) (2) of Title 40 of the Code of Federal
Regulations, Part 403, "General Pretreatment Regulations for Existing
and New Sources of Pollution," promulgated pursuant to the Act. The
City may then modify pollutant discharge limits in the Federal Categorical
Pretreatment Standards if the requirements contained in 40 CFR, Part
403, Section 403.7 are fulfilled and prior approval from the approval
authority is obtained.
[Ord. No. 1209 Art. I § 2, 6-13-1983]
Specific limits shall be established in various categories for
each industrial user. Other users shall not discharge wastewater containing
the following potential pollutants in excess of the limits shown:
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mg/l arsenic.
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0.09
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mg/l cadmium.
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0.40
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mg/l copper.
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mg/l cyanide.
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1.00
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mg/l lead.
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mg/l mercury.
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0.30
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mg/l nickel.
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mg/l silver.
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0.50
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mg/l total chromium.
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5.00
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mg/l zinc.
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mg/l total identifiable chlorinated hydrocarbons.
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mg/l phenolic compounds which cannot be removed by the City's
wastewater treatment processes.
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[Ord. No. 1209 Art. I § 2, 6-13-1983]
State and City requirements and limitations on discharges shall
apply in any case where they are more stringent than Federal requirements
and limitations. The limits shall be the most stringent of the three
(3) ruling agencies.
[Ord. No. 1209 Art. I § 2, 6-13-1983]
The City reserves the right to establish by ordinance more stringent limitations or requirements on discharges to the wastewater disposal system, if deemed necessary to comply with the objectives presented in Section 30.2-2.
[Ord. No. 1209 Art. I § 1, 6-13-1983]
No user shall, without the permission of the City, increase
the use of process water or, in any way, attempt to dilute a discharge
as a partial or complete substitute for adequate treatment to achieve
compliance with the limitations contained in the Federal Categorical
Pretreatment Standards or in any other pollutant-specific limitation
developed by the City or State.
(Comment: Dilution may be an acceptable means of complying with some of the prohibitions set forth in Section 30.2-10, e.g., the pH prohibition.)
[Ord. No. 1209 Art. I § 2, 6-13-1983]
A.
Generally. Each user shall provide protection from
accidental discharge of prohibited materials or other substances regulated
by this Chapter. Facilities to prevent accidental discharge of prohibited
materials shall be provided and maintained at the owner's or
user's owner or user's own cost and expense. Detailed plans
showing facilities and operating procedures to provide this protection
shall be submitted to the City for review and shall be approved by
the City before construction of the facility. All existing users so
identified by the City industrial user survey shall complete such
a plan by January 1, 1984. No user who commences contribution to the
POTW after June 13, 1983, shall be permitted to introduce pollutants
into the system until accidental discharge procedures have been approved
by the City. Review and approval of such plans and operating procedures
shall not relieve such industrial user from the responsibility to
modify the user's facility as necessary to meet the requirements
of this Chapter. In the case of an accidental discharge, it is the
responsibility of the user to immediately telephone and notify the
City of the incident. The notification shall include location of discharge,
type of waste, concentration and volume and corrective actions.
B.
Written Notice to City. Within five (5) days following
an accidental discharge, the user shall submit to the City a detailed
written report describing the cause of the discharge and the measures
to be taken by the user to prevent similar future occurrences. Such
notification shall not relieve the user of any expense, loss, damage
or other liability which may be incurred as a result of damage to
the POTW, fish kills or any other damage to person or property, nor
shall such notification relieve the user of any fines, civil penalties
or other liability which may be imposed by this Article or other applicable
law.
C.
Notice to Employees. A notice shall be permanently
posted on the user's bulletin board or other prominent place
advising employees whom to call in the event of a dangerous discharge.
Employers shall insure that all employees who may cause or suffer
such a dangerous discharge to occur are advised of the emergency notification
procedure.
