[R.O. 2011 §715.040; Ord. No. 91-43 §2.1, 12-11-1991; Ord. No. 2016-38 §1, 10-24-2016]
A.
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 or the potential to create
a pass through 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:
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 POTW or to the operation of the POTW, including,
but not limited to, wastestreams with a closed cup flashpoint of less
than one hundred forty degrees Fahrenheit (140° F.) or sixty degrees
Centigrade (60° C.) using the test methods specified in 40 CFR
261.21.
2.
Solid or viscous substances which may cause obstruction to the
flow in a sewer or other interference or pass through at the POTW,
such as but not limited to: grease, garbage with particle size greater
than one-half (1/2) inch in any dimension, animal guts or tissues,
paunch manure, bones, hair, 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, oil (petroleum-based, non-biodegradable
cutting oil, products of mineral oil origin), gas, tar, asphalt residues,
residues from refining, or processing of fuel or lubricating oil,
mud, or glass grinding or polishing wastes.
3.
Any wastewater having a pH less than five (5.0) or more than
twelve (12), or wastewater having any other corrosive property capable
of causing damage or hazard to structures, equipment, and/or personnel
of the POTW.
4.
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 to 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.
5.
Any noxious or malodorous liquids, gases, or solids which either
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.
6.
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;
and 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.
7.
Any substance which will pass through causing the POTW to violate
its NPDES permit or the receiving water quality standards.
8.
Any wastewater with objectionable color not removed in the treatment
process, such as, but not limited to, dye wastes and vegetable tanning
solutions.
9.
Any wastewater having a temperature which will inhibit biological
activity in the POTW treatment plant resulting in interference, but
in no case, wastewater having heat in such quantities that the temperature
at the POTW treatment plant exceeds forty degrees Centigrade (40°
C.) (one hundred four degrees Fahrenheit (104° F.)) or the temperature
of effluent entering the sewer, pipes, or other conveyances leading
to the treatment plant shall not exceed sixty-five degrees Centigrade
(65° C.) (one hundred fifty degrees Fahrenheit (150° F.))
unless the POTW is designed to accommodate such temperature.
10.
Any pollutants, including oxygen-demanding pollutants, (BOD,
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 sludge 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.
11.
Any wastewater containing any radioactive wastes or isotopes
of such half-life or concentration as may exceed limits established
by the Superintendent in compliance with applicable State or Federal
regulations.
12.
Any wastewater which causes a hazard to human life or creates
a public nuisance.
13.
Any truck or hauled pollutants, except at discharge points designated by the POTW in accordance with Section 715.150.
14.
Storm water, surface water, ground water, artisan well water,
roof runoff, subsurface drainage, swimming pool drainage, condensation,
deionized water, non-contact cooling water, and unpolluted industrial
wastewater, unless specifically authorized by the Superintendent.
15.
Any sludges, screenings, or other residues from the pretreatment
of industrial wastes.
16.
Any medical wastes, except as specifically authorized by the
Superintendent in a wastewater discharge permit.
17.
Any wastewater causing the treatment plant's effluent to
fail a toxicity test.
18.
Any wastes containing detergents, surface active agents, or
other substances which may cause excessive foaming in the POTW.
B.
When the Superintendent determines that a user(s) is contributing
to the POTW, any of the above enumerated substances in such amounts
as to interfere with the operation of the POTW, the Superintendent
shall:
[R.O. 2011 §715.050; Ord. No. 91-43 §2.2, 12-11-1991; Ord. No. 2016-38 §1, 10-24-2016]
The National Categorical pretreatment standards found at 40 CFR Chapter I, Subchapter N, Parts 405-471 are hereby incorporated.
[R.O. 2011 §715.060; Ord. No. 91-43 §2.3, 12-11-1991; Ord. No. 2016-38 §1, 10-24-2016]
State pretreatment standards are hereby incorporated and shall
apply in any case where they are more stringent than Federal requirements
and limitations, or those in this Chapter.
[R.O. 2011 §715.070; Ord. No. 91-43 §2.4, 12-11-1991; Ord. No. 2016-38 §1, 10-24-2016]
Where the City's wastewater treatment system achieves consistent
removal of pollutants limited by Federal pretreatment standards, the
City may apply to the Approval Authority for modification of specific
limits in the Federal 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 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.
[R.O. 2011 §715.080; Ord. No. 91-43 §2.5, 12-11-1991; Ord. No. 2016-38 §1, 10-24-2016]
A.
No person shall discharge wastewater containing in excess of the
following:
|
Pollutant
|
Daily Maximum
(mg/l)
|
30-day Average (except as noted)
(mg/l)
| ||
|---|---|---|---|---|
|
1.
|
Ammonia Nitrogen
|
20.0
|
—
| |
|
2.
|
Arsenic
|
0.1
|
0.05
| |
|
3.
|
Cadmium
|
1.2
|
0.7**
| |
|
4.
|
Total Chromium
|
7.0
|
4.0**
| |
|
5.
|
Hexavalent Chromium
|
0.7
|
0.4
| |
|
6.
|
Copper
|
16.0
|
10.0**
| |
|
7.
|
Total Cyanide
|
1.9
|
1.0**
| |
|
8.
|
Hydrogen Sulfide
|
10.0
|
5.0
| |
|
9.
|
Iron
|
80.0
|
40.0
| |
|
10.
|
Lead
|
2.3
|
1.5
| |
|
11.
|
Mercury
|
2.0
|
1.0
| |
|
12.
|
Nickel
|
4.1
|
2.6**
| |
|
13.
|
Silver
|
1.2
|
0.7**
| |
|
14.
|
Zinc
|
1.0
|
0.5**
| |
|
15.
|
Total Heavy Metals*
|
30.0
|
20.0
| |
|
16.
|
Oil & Grease
|
150.0
|
100.00
| |
|
*
|
Total Heavy Metals = Copper + Chromium (Total) + Nickel + Zinc.
| |
|
**
|
Maximum value based on four (4) consecutive monitoring days.
|
B.
No person shall discharge wastewater containing in excess of the
following:
|
Pollutant
|
Daily Maximum
(pounds/day)
|
30-day Average
(pounds per day)
| ||
|---|---|---|---|---|
|
1.
|
Biochemical Oxygen Demand
|
9,500
|
6,400
| |
[R.O. 2011 §715.090; Ord. No. 91-43 §2.6, 12-11-1991; Ord. No. 2016-38 §1, 10-24-2016]
The City of Trenton reserves the right to establish, by ordinance or by wastewater discharge permit, more stringent limitations or requirements on discharges to the wastewater disposal system if deemed necessary to comply with the objectives presented in Section 715.010(B) of this Chapter.
[R.O. 2011 §715.100; Ord. No. 91-43 §2.7, 12-11-1991; Ord. No. 2016-38 §1, 10-24-2016]
The City reserves the right to enter into special agreements
with industrial users setting out special terms under which they may
discharge to the POTW. In no case will a special agreement waive compliance
with a pretreatment standard or requirement. However, the industrial
user may request a net/gross adjustment to a categorical standard
in accordance with 40 CFR 403.15. They may also request a variance
from the categorical pretreatment standard from EPA. Such a request
will be approved only if the industrial user can prove that factors
relating to its discharge are fundamentally different from the factors
considered by EPA when establishing that pretreatment standard. An
industrial user requesting a fundamentally different factor variance
must comply with the procedural and substantive provisions in 40 CFR
403.13.
[R.O. 2011 §715.110; Ord. No. 91-43 §2.8, 12-11-1991; Ord. No. 2016-38 §1, 10-24-2016]
No user shall ever 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 within 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 715.040(A)(3), e.g., the pH prohibition.)
