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Township of Lower Providence, PA
Montgomery County
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Agendas (1)
No user shall contribute, introduce or cause to be contributed or introduced, directly or indirectly, into the POTW any pollutant or wastewater which causes pass-through or interference. These general prohibitions apply to all users of the POTW, whether or not the user is subject to categorical pretreatment standards or any other national, state, or local pretreatment standards or requirements.
A. 
No user shall introduce or cause to be introduced into the POTW the following pollutants, substances or wastewater:
(1) 
Pollutants which create a fire or explosive hazard in the POTW, including, but not limited to, waste streams with a closed-cup flashpoint of less than 140° F. (60° C.) using the text methods specified in 40 CFR 261.21.
(2) 
Wastewater having a pH less than 5.0 or more than 10.0 or otherwise causing corrosive structural damage to the POTW or equipment.
(3) 
Solid or viscous substances in amounts which will cause obstruction of the flow in the POTW resulting in interference (but in no case solids greater than 1/2 inch in any dimension). The following substances are also prohibited: ashes, cinders, sand, mud, straw, metal, glass, bones, rags, feather, tar, plastic, wood, paunch manure, whole blood or blood products, lye, building materials, rubber, hair, shavings, leather, china, ceramic wastes, asphalt, paint, waxes, butcher offal, porcelain, and bentonite.
(4) 
Pollutants, including oxygen-demanding pollutants (BOD, etc.), released in a discharge at a flow rate and/or pollutant concentration which, either singly or by interaction with other pollutants, will cause interference with the POTW.
(5) 
Wastewater having a temperature greater than 104° F. (40° C.) or which will inhibit biological activity in the treatment plant resulting in interference, but in no case wastewater which causes the temperature at the introduction into the treatment plant to exceed 104° F. (40° C.);
(6) 
Petroleum oil, non-biodegradable cutting oil, or products of mineral oil origin, in amounts that will cause interference or pass-through.
(7) 
Pollutants which result in the presence of toxic gases, vapors, or fumes within the POTW in a quantity that may cause acute worker health and safety problems.
(8) 
Trucked or hauled pollutants or wastewater.
(9) 
Noxious or malodorous liquids, gases, solids, or other wastewater which, either singly or by interaction with other wastes, are sufficient to create a public nuisance or a hazard to life or to prevent entry into the sewers for maintenance or repair.
(10) 
Wastewater which imparts color which cannot be removed by the treatment process, such as, but not limited to, dye wastes and vegetable tanning solutions, which consequently imparts color to the treatment plant's effluent, thereby violating the Lower Perkiomen Valley Regional Sewer Authority's NPDES permit.
(11) 
Wastewater containing any radioactive wastes or isotopes.
(12) 
Stormwater, surface water, groundwater, artesian well water, roof runoff, subsurface drainage, swimming pool drainage, condensate, deionized water, non-contact cooling water, and unpolluted wastewater.
(13) 
Sludges, screenings, or other residues from the pretreatment of industrial wastes.
(14) 
Medical wastes.
(15) 
Wastewater causing, alone or in conjunction with other sources, the treatment plant's effluent to fail toxicity test.
(16) 
Detergents, surface-active agents, or other substances which may cause excessive foaming in the POTW.
(17) 
Wastewater causing an explosive hazard at the point of discharge or at any point in the sewer interceptor system or the POTW.
(18) 
Any substance or condition which will cause the POTW to violate its NPDES and/or state disposal system permit, the receiving water quality standards, or any statute, rule, or regulation of any public agency.
(19) 
In no case shall a slug load have a flow rate or contain concentration or qualities of pollutants that exceed any time period longer than 15 minutes or contain more than five times the average twenty-four-hour concentration of flow during normal operation, or otherwise constitutes a slug discharge.
(20) 
The discharge of toxic or hazardous wastes, as defined in the Act or RCRA.
(21) 
Total solids of such character or quantity as to require unusual attention or expense in treatment.
(22) 
Discharges prohibited by state or federal regulations.
(23) 
Fats, oils, or greases of an animal or vegetable origin in concentrations greater than 100 mg/l.
B. 
When the control authority 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 control authority shall:
(1) 
Advise the user(s) of the impact of the contribution on the POTW;
(2) 
Develop effluent limitation(s) for such user to correct the interference with the POTW; and
(3) 
Proceed with enforcement pursuant to the provisions of this Part 5.
C. 
Pollutants, substances or wastewater prohibited by this section shall not be processed or stored in a manner that they could be discharged to the POTW.
The categorical pretreatment standards found at 40 CFR Chapter I, Subchapter N, Parts 405 to 471, are hereby incorporated in this Part 5 by reference as though set forth in full.
A. 
Where a categorical pretreatment standard is expressed only in terms of either the mass or the concentration of a pollutant in wastewater, the control authority may impose equivalent concentration or mass limits in accordance with 40 CFR 403.6(c).
B. 
When wastewater subject to a categorical pretreatment standard is mixed with wastewater not regulated by the same standard, the control authority shall impose an alternate limit using the combined waste stream formula in 40 CFR 403.6(e).
C. 
A user may obtain a variance from a categorical pretreatment standard if the user can prove, pursuant to the procedural and substantive provisions in 40 CFR 403.13, that factors relating to its discharge are fundamentally different from the factors considered by the EPA when developing the categorical pretreatment standard.
D. 
A user may obtain a net gross adjustment to a categorical standard in accordance with 40 CFR 403.15.
Where the Lower Perkiomen Valley Regional Sewer Authority's wastewater treatment system achieves consistent removal of pollutants limited by national pretreatment standards, the Lower Perkiomen Valley Regional Sewer Authority as control authority may apply to the approval authority for modification of specific limits in the national 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 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, "General Pretreatment Regulations for Existing and New Sources of Pollution," promulgated pursuant to the Act. The Lower Perkiomen Valley Regional Sewer Authority as control authority may then modify pollutant discharge limits in the national pretreatment standards if the requirements contained in 40 CFR 403.7 are fulfilled and prior approval from the approval authority is obtained.
State requirements and limitations on discharges shall apply in any case where they are more stringent than federal requirements and limitations or those in this Part 5.
The Lower Perkiomen Valley Regional Sewer Authority as control authority reserves the right to establish by resolution more-stringent limitations or requirements on discharges to the wastewater disposal system if deemed necessary to comply with the objectives presented in § 117-65 of this Part 5.
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 with a discharge limitation unless expressly authorized by an applicable pretreatment standard or requirement. The control authority may impose mass limitations on users who are using dilution to meet applicable pretreatment standards or requirements or in other cases when the imposition of mass limitations is appropriate.
A. 
Each user shall provide protection from accidental discharge of prohibited materials or other substances regulated by this Part 5. Facilities to prevent accidental discharge of prohibited materials shall be provided and maintained at the owner's or user's own cost and expense. Detailed plans showing facilities and operating procedures to provide this protection shall be submitted to the control authority for review and shall be approved by the control authority before construction of the facility. All existing users shall complete such a plan by January 1, 1994. No user shall be permitted to introduce pollutants into the system until accidental discharge procedures have been approved by the control authority. Review and approval of such plans and operating procedures shall not relieve the industrial user from the responsibility to modify the user's facility as necessary to meet the requirements of this Part 5. In the case of an accidental discharge, it is the responsibility of the user to immediately notify the control authority of the incident. The notification shall include location of discharge, type of waste, concentration and volume, and corrective actions.
B. 
Written notice. Within five days followings an accidental discharge, the user shall submit to the control authority 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 Part 5 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 an accidental discharge. Employers shall insure that all employees who may cause or suffer such an accidental discharge to occur are advised of the emergency notification procedures.
A. 
The Lower Perkiomen Valley Regional Sewer Authority as control authority is authorized to establish local limits pursuant to 40 CFR 403.5(c).
B. 
The following pollutant limits are established to protect against pass-through, interference, and sludge contamination. No person shall discharge wastewater containing in excess of the following limits:
Parameter
Daily Maximum
(mg/l)
Arsenic
0.425
Cadmium
0.05
Chromium
3.5
Copper
1.0
Cyanide
1.0
Lead
1.0
Mercury
0.002
Nickel
1.1
Oil and grease and fats of
animal or vegetable origin
100
Oil and grease of petroleum
origin, nonbiodegradable
cutting oil, mineral oil
25
Silver
0.35
Zinc
3.0
C. 
The above limits apply at the point where the wastewater is discharged to the sewer. All concentrations from metallic substances are for "total" metal unless otherwise indicated. The above local limits are based on maximum allowable headworks loadings (MAHL) as approved by the EPA. The Lower Perkiomen Valley Regional Sewer Authority as control authority, through the issuance of an industrial waste discharge permit, may establish other effluent limits consistent with the approved MAHL. No such permits, however, shall waive or abrogate federal or state categorical pretreatment standards or regulations. Categorical concentrations apply at the end of the process waste stream. No person shall discharge wastewater containing in excess of allowable discharge limits as established by the Lower Perkiomen Valley Regional Sewer Authority as control authority. The Lower Perkiomen Valley Regional Sewer Authority as control authority may impose mass limitations in addition to, or in place of, the concentration-based limitations.
D. 
The Lower Perkiomen Valley Regional Sewer Authority as control authority may develop best management practices (BMPs), by resolution or in wastewater discharge permits, to implement local limits and the requirements of Article XV of this Part 5.