[Code 1991, § 18-115]
A.
No user shall contribute or cause to be contributed to the POTW,
either directly or indirectly, any pollutant or wastewater which will
cause interference or pass-through. These general prohibitions shall
apply to all users of the municipal wastewater system, whether or
not the user is subject to categorical pretreatment standards or any
other national, state, or local pretreatment standards or requirements.
Furthermore, no user may contribute the following substances to the
system:
(1)
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 municipal wastewater system. Included in this prohibition
are waste streams with a closed cup flashpoint of less than 140°
F. (60° C.). At no time shall two 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 5%, nor shall any single reading be over
10% of the lower explosive limit of the meter;
(2)
Solid or viscous substances in amounts which will cause interference
with the flow in a sewer, including solids greater than 1/2 inch (1.27
centimeters) in any dimension;
(3)
Any fats or greases, including, but not limited to, petroleum oil,
nonbiodegradable cutting oil, or products of mineral oil origin, in
amounts that will cause interference or pass-through;
(4)
Any wastewater having a pH less than 5.5 or more than 9.5, or which
may otherwise cause corrosive structural damage to the system, threaten
county or City personnel, or damage publicly owned or operated equipment;
(5)
Any wastewater containing pollutants in sufficient quantity (flow
or concentration), either singly or by interaction with other pollutants,
to pass through or interfere with the POTW, to contaminate or injure
the wastewater treatment or sludge process, or to constitute a hazard
to humans or animals;
(6)
Any noxious or malodorous liquid, gas, solid, or other wastewater
which, either singly or by interaction with other wastes, is sufficient
to create a public nuisance or hazard to life or is sufficient to
prevent entry into the sewers for maintenance or repair;
(7)
Any substance which may cause treatment plant effluent or any other
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 system cause the county or the City to be in noncompliance
with sludge use or disposal regulations or permits issued under Section
405 of the Act, the Solid Waste Disposal Act, the Clean Air Act, the
Toxic Substances Control Act, or other state or federal requirements
applicable to the sludge use and disposal practices being used by
the county or the City;
(8)
Any wastewater which imparts color that cannot be removed by the
treatment process, such as dye wastes and vegetable tanning solutions,
and which consequently imparts color to the POTW's effluent,
thereby violating a VPDES permit. Color, in combination with turbidity,
shall not cause the POTW's effluent to reduce the depth of the
compensation point for photosynthetic activity by more than 10% from
the seasonably established norm for aquatic life;
(9)
Any wastewater having a temperature greater than 130° F. (55°
C.) which will inhibit biological activity in the POTW and result
in interference, or which causes the temperature at the introduction
into the treatment plant to exceed 104° F. (40° C.);
(10)
Any wastewater containing any radioactive wastes or isotopes,
except as specifically approved by the DPW in accordance with applicable
state and federal regulations;
(11)
Any pollutant which results in the presence of toxic gases,
vapors or fumes within the system in a quantity that may cause worker
health or safety problems;
(12)
Any trucked or hauled pollutants, except at discharge points
designated by the City;
(13)
Stormwater, surface water, groundwater, artesian well water,
roof runoff, subsurface drainage, swimming pool drainage, condensate,
deionized water, cooling water and unpolluted industrial wastewater,
unless specifically authorized by the DPW;
(14)
Any industrial wastes containing floatable fats, waxes, grease
or oils, or which become floatable at the wastewater temperature at
the introduction to the POTW during the winter season; or industrial
wastewater containing more than 100 mg/l or a monthly average more
than 10 mg/l of emulsified oil or grease;
(15)
Nonbiodegradable cutting oils, commonly called soluble oils,
which form a persistent water emulsion, and nonbiodegradable complex
carbon compounds;
(16)
Any sludges, screenings, or other residues from the pretreatment
of industrial wastes;
(17)
Any medical wastes, except as specifically authorized by the
DPW in a wastewater permit;
(18)
Any material containing ammonia, ammonia salts, or other chelating
agents which may produce metallic complexes that interfere with a
municipal wastewater system;
(19)
Any material identified as hazardous waste, according to 40
CFR Part 261, except as may be specifically authorized by the DPW;
(20)
Any wastewater causing POTW effluent to show a lethal concentration
of 50%, as determined by a toxicity test of 96 hours or less, using
a percentage of the discharge and aquatic test species chosen by the
DPW;
(21)
Recognizable portions of the human or animal anatomy; and
(22)
Any wastes containing detergents, surface active agents, or
other substances which may cause excessive foaming in the POTW.
B.
Wastes prohibited by this section shall not be processed or stored
in such a manner that they could be discharged to the POTW. All floor
drains located in process or material storage areas shall discharge
to the industrial user's pretreatment facility before connection
with the system.
[Code 1991, § 18-116]
A.
The categorical pretreatment standards set forth in 40 CFR Chapter
I, Subchapter N, Parts 401 through 471, are hereby incorporated by
reference into this article and made a part of this article. The DPW
shall periodically notify all affected users of the applicable reporting
requirements under 40 CFR 403.12.
B.
State requirements and limitations on discharges shall apply in any
case where they are more stringent than federal requirements and limitations
or local limits approved by the SWCB.
[Code 1991, § 18-117]
A.
The DPW shall by regulation promulgate and publish local specific
pollutant limits to implement federal and state law and to meet the
objectives of this article. Significant industrial users shall obtain
industrial discharge permits which are consistent with these local
limits from the DPW prior to contributing to the POTW.
B.
The rate of discharge of waste to the POTW shall not exceed limits
specified in an industrial discharge permit.
C.
No user shall 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 categorical pretreatment standards or the requirements in any
other pollutant-specific limitation developed by the county, the City,
or the commonwealth.
[Code 1991, § 18-119]
A.
Pretreatment required; pretreatment facilities. Industrial users shall provide necessary wastewater treatment as required to comply with this article, including compliance with all categorical pretreatment standards, local limits, and the prohibitions set out in § 74-231, within the time limitations specified by the DPW. Any facilities required to pretreat wastewater to a level acceptable to the City shall be provided, operated, and maintained at the industrial user's expense. Detailed plans showing proposed pretreatment facilities and operating procedures shall be submitted to the City for review and shall be approved by the City before construction of the facility. The review of such plans and operating procedures will in no way relieve the user from the responsibility of modifying the facility as necessary to produce a discharge acceptable to the City under the provisions of this article.
B.
Tenant responsibility. Any persons occupying an industrial user's
premises as tenants shall be jointly and severally responsible for
compliance with the provisions of this article in the same manner
as the industrial user.
C.
Separation of domestic and industrial waste streams. All new and
domestic wastewaters from restrooms, showers, drinking fountains,
etc. shall be kept separate from all industrial wastewaters until
the industrial wastewaters have passed through a pretreatment system,
if required, and the industrial user's monitoring facility. When
directed to do so by the DPW, industrial users must separate existing
domestic waste streams from industrial waste streams.
[Code 1991, § 18-119]
A.
Authority to impose additional conditions. Whenever deemed necessary,
the DPW may require an industrial user to restrict such user's
discharge during peak flow periods, to designate that certain wastewater
be discharged only into specific sewers, to relocate and/or consolidate
points of discharge, or to separate sewage waste streams from industrial
waste streams. The DPW may impose such other conditions as may be
necessary to protect the municipal wastewater system or to determine
the industrial user's compliance with the requirements of this
article.
B.
Flow-equalizing facilities. Each industrial user discharging into
the municipal wastewater system more than 100,000 gallons per day
or more than 5% of the average daily flow in the system, whichever
is less, shall install and maintain, on his property and at his own
expense, a suitable storage and flow control facility to ensure equalization
of flow over a twenty-four-hour period. The facility shall have a
capacity for at least 50% of the daily discharge volume of the industrial
user and shall be equipped with overflow alarms and a rate of discharge
controller, the regulation of which shall be as directed by the DPW.
A wastewater permit may be issued solely for flow equalization.
C.
Grease, oil and sand interceptors. Grease, oil, and sand interceptors
shall be provided by an industrial user when, in the opinion of the
DPW, they are necessary for the proper handling of wastewater containing
excessive amounts of grease, flammable substances, sand, or other
harmful substances; provided, however, that such interceptors shall
not be required for residential users. All interception units shall
be of a type and capacity approved by the DPW and shall be accessible
for cleaning and inspection. Such interceptors shall be inspected,
cleaned, and repaired regularly, as needed, by the industrial user,
at his own expense.
D.
Combustible gas detection meters. Industrial users with the potential
to discharge flammable substances may be required by the DPW to install
and maintain an approved combustible gas detection meter.
[Code 1991, § 18-120]
A.
Only septic tank waste (referred to in this section as "septage")
originating in the City will be accepted into the municipal wastewater
system. Such septage shall be discharged at a designated receiving
structure within the City's treatment plant area, at such times
as are established by the DPW, provided such wastes do not contain
toxic or hazardous pollutants and such discharge does not violate
any other requirements established by the county or the City. Permits
for individual vehicles to use such facilities shall be issued by
the DPW, prior to any such discharge.
B.
The discharge of industrial wastes as industrial septage shall require
prior approval and a permit from the City, as required by Division
3 of this article. The DPW shall have authority to prohibit the disposal
of such wastes, if he has reason to believe such disposal would interfere
with the operations of the POTW. Waste haulers shall be subject to
all other provisions of this article, including fee and permit requirements.
[Code 1991, § 18-121]
A.
Plans required.
(1)
Whenever deemed necessary, the DPW may require any industrial user
to provide protection for the POTW from accidental or intentional
discharges of materials which may interfere with the system by developing
a plan to protect against accidental or intentional discharges, spills,
and upsets. Facilities to prevent spills and discharges of prohibited
materials shall be provided and maintained at the owner's or
industrial user's own cost and expense.
(2)
Upon the request of the DPW, detailed plans showing facilities and
operating procedures to provide protection against such discharges
shall be submitted to the City for review and approval before construction
of the facilities.
(3)
Review and approval of such plans shall not relieve the industrial
user from the responsibility to modify such industrial user's
facilities as necessary to meet the requirements of this article.
B.
Reports of discharges and upsets.
(1)
In the case of an upset or an accidental or other discharge that
may cause problems for the POTW or may violate any provision of this
article, the industrial user shall immediately telephone and notify
the DPW and the county's Director of Public Works of the incident.
(2)
Within five days following such discharge or upset, the industrial
user shall submit to the DPW and the county's Director of Public
Works a detailed written report describing the cause of the discharge
or upset and the measures taken or to be taken by the industrial user
to prevent similar future occurrences.
(3)
Any industrial user that commences the discharge of hazardous waste
shall notify the DPW, the county's Director of Public Works,
the SWCB, state hazardous waste authorities, and the EPA in writing
within five days of any discharge which would be considered a hazardous
waste if disposed of in a different manner. Written notification shall
include:
(a)
The name of the hazardous waste, as set forth in 40 CFR Part
261, the EPA hazardous waste number, and the type of discharge (continuous,
batch, or other);
(b)
An estimate of the mass and concentration of the constituents
in the waste stream during that calendar month; and
(c)
An estimate of the amount of hazardous waste expected to be
discharged during the following 12 months.
(4)
Notice given pursuant to Subsection B(3) of this section shall be submitted only one time for each hazardous waste discharged. Notice shall not be required for hazardous wastes which were previously reported under the self-monitoring requirements of this article.
(5)
If new regulations are adopted pursuant to Section 3001 of the Federal Resource Conservation and Recovery Act, thereby adding additional substances to the list of hazardous wastes, the industrial user shall give notice as required under Subsection B(3) of this section within 90 days of the effective date of such regulations.
(6)
Industrial users that are required to report pursuant to Subsection B(3) of this section shall institute a program to reduce the volume and toxicity of the user's hazardous wastes to the extent that such reduction is economically practicable. Industrial users shall thereafter certify to the parties given notice in Subsection B(3) of this section that such a program is in place.
(7)
A notice shall be permanently posted on the industrial user's
bulletin board or other prominent place advising employees whom to
call in the event of an unauthorized discharge or upset. Employers
shall ensure that all employees who may cause or suffer such a discharge
or upset are advised of the emergency notification procedures.
[Code 1991, § 18-122]
Every industrial user shall give notice to the DPW in advance,
or at the earliest possible time, when any planned significant change
to the industrial user's operations or pretreatment systems might
alter the nature, quality of volume of its wastewater. In the event
of any such change:
A.
The DPW may require the industrial user to submit such information
as the DPW deems necessary to evaluate the changed conditions, including
the submission of an industrial discharge permit application under
Division 3 of this article.
B.
The DPW may issue an industrial discharge permit or modify an existing
permit under Division 3 of this article.
C.
No industrial user shall implement the planned changed condition
until and unless the DPW has responded to the industrial user's
notice in writing.
D.
For purposes of this section, changes shall be deemed significant
if they are likely to increase flow by 10% or greater, or involve
the discharge of any pollutant likely to alter demands on the POTW.
[Code 1991, § 18-123]
An industrial user shall control production and all discharges
upon reduction, loss, or failure of its treatment facility, if any,
until the facility is restored or an alternative method of treatment
is provided. This requirement shall apply in situations where, among
other things, the primary source of power of the treatment facility
is reduced, lost, or fails.
[Code 1991, § 18-124]
A.
Industrial users shall maintain records of all monitoring activities
required by this article and by such user's permit, if required.
Such records shall include:
B.
Industrial users shall be responsible for documenting the transportation
and disposal of all pretreatment sludges.
C.
All records relating to compliance with this article shall be made
available to officials of the county, the City, and the state, upon
request.
D.
Industrial users shall maintain for a minimum of five years all records
of their monitoring activities required by this article. The record
retention period shall be extended in the case of unresolved litigation
or at the request of the DPW.
[Code 1991, § 18-125]
The DPW shall have the authority to promulgate regulations consistent
with the provisions of this article for the purpose of implementing
the terms of this article. Such regulations shall be published and
made available for public inspection.
