As used in this article, the following terms shall
have the meanings indicated:
ACT
The Federal Water Pollution Control Act, as amended, also
known as the "Clean Water Act."
AUTHORITY
The Uwchlan Township Municipal Authority.
AUTHORIZED REPRESENTATIVE OF USER
An authorized representative of a user is:
(1)
A principal executive officer of at least the
level of vice president, if the user is a corporation;
(2)
A general partner or proprietor if the user
is a partnership or proprietorship, respectively;
(3)
A principal executive officer or a person having
responsibility for the overall operation of the user's facility if
the user is a governmental agency, unincorporated organization, or
other similar entity;
(4)
A duly authorized representative of the individual
designated in (1) through (3) above, if:
(a)
The authorization is made in writing by the
individual described in (1) or (2);
(b)
The authorization specifies either an individual
or a position having overall responsibility for the overall operation
of the facility from which the industrial discharge originates, such
as the position of plant manager, or a position of equivalent responsibility,
or having overall responsibility for environmental matters for the
company; and
(c)
The written authorization is submitted to DARA.
AVERAGE DAILY FLOW
The wastewater discharge volume from the most recent calendar
quarter divided by the number of calendar days in that quarter.
BEST MANAGEMENT PRACTICES or BMPS
Schedules of activities, prohibitions of practices, maintenance
procedures, and other management practices to implement the prohibitions
listed in 40 CFR Section 403.5(a)(1) and (b). BMPs also include treatment
requirements, operating procedures, and practices to control plant
site runoff, spillage or leaks, sludge or waste disposal, or drainage
from raw materials storage.
BIOCHEMICAL OXYGEN DEMAND (BOD5)
The quantity of oxygen, expressed in milligrams per liter
(mg/l), utilized in the biochemical oxidation of organic matter under
standard laboratory procedure in five days at 20° C. The standard
laboratory procedure shall be found in the latest edition of "Standard
Methods for the Examination of Water and Sewage" published by the
American Public Health Association.
[Amended 12-14-2021 by Ord. No. 2021-05]
BUILDING DRAIN
The building wastewater drainage pipes and fittings inside
of the building and extending 30 inches in developed length of pipe
beyond the exterior walls of the building and conveys the drainage
to the building sewer and lateral.
[Added 12-14-2021 by Ord. No. 2021-05]
BYPASS
The intentional diversion of waste streams from any portion
of an industrial user's facility for pretreatment.
CATEGORICAL INDUSTRY
Any industry subject to pretreatment standards as specified
in 40 CFR Chapter I, Subchapter N, establishing quantities or concentrations
of pollutants or pollutant properties which may be discharged or introduced
to a treatment plant by existing or new industrial users in specific
industrial subcategories.
CHEMICAL OXYGEN DEMAND (COD)
The quantity of oxygen, expressed in mg/l, required to chemically
oxidize the organic and inorganic matter in a water or wastewater
sample under the standard laboratory procedure. The standard laboratory
procedure shall be that in the latest edition of "Standard Methods
for the Examination of Water and Sewage" published by the American
Public Health Association.
COMPATIBLE POLLUTANT
BOD
5, COD, total suspended solids,
total Kjeldahl nitrogen, total phosphorus, and fecal coliform bacteria,
and oil and grease of animal/ vegetable origin.
[Amended 12-14-2021 by Ord. No. 2021-05]
DISCHARGE PERMIT
A permit issued by DARA authorizing the discharge of tank
truck or hauled waste at the DRWPCC.
ENGINEER
Uwchlan Township's or DARA's consulting engineer, as appropriate.
EPA
The United States Environmental Protection Agency, including,
where appropriate, the Administrator or other duly authorized official
of said agency.
FATS, OIL AND GREASE (FOG)
Organic compounds derived from animal and/or plant sources
that contain multiple carbon chain triglyceride molecules. These substances
are detectable and measurable using analytical test procedures.
[Added 12-14-2021 by Ord. No. 2021-05]
FOOD SERVICE ESTABLISHMENTS (FSE)
Those establishments engaged in activities of preparing.
serving, or otherwise making available for sale consumption by the
public such as a restaurant, commercial kitchen, grocery store, caterer,
hotel, school, hospital, prison, correctional facility and care institution.
[Added 12-14-2021 by Ord. No. 2021-05]
GARBAGE
Solid wastes from the domestic and commercial preparation,
cooking and dispensing of food, and from the commercial handling,
storage and sale of produce.
GRAB SAMPLE
An individual sample collected over a period of time not
exceeding 15 minutes.
GREASE INTERCEPTOR
A structure or device designed for the purpose of removing
and prevent FOG from entering the sanitary sewer system. The devices
are typically installed below grade and larger than 700 gallons.
[Added 12-14-2021 by Ord. No. 2021-05]
INDUSTRIAL USER
Any person discharging industrial wastewater to the sewerage
system.
INDUSTRIAL WASTEWATER
Any water which, during a manufacturing, or processing operation,
including those regulated under Sections 307(b), (c), or (d) of the
Act, comes into direct contact with or results from the production
or use of any raw material, intermediate product, finished product,
by-product, or waste product, or any other water contaminated by an
industrial process, and distinct from sanitary sewage.
INTERFERENCE
The inhibition or disruption of the DRWPCC or EVSTP processes
or operations which contributes to a violation of any requirement
of the facility's NPDES permit or a decrease in treatment efficiency.
The term includes inhibition or disruption of sewage sludge use or
disposal from the DRWPCC in accordance with Section 405 of the Act
(33 U.S.C. § 1317) or any criteria, guidelines, or regulations
developed pursuant to the Solid Waste Disposal Act (SWDA), the Clean
Air Act, the Toxic Substances Control Act, or more stringent state
criteria (including those contained in any state sludge management
plan prepared pursuant to Title IV of SWDA) applicable to the method
of disposal or use employed by the DRWPCC or EVSTP.
[Amended 12-14-2021 by Ord. No. 2021-05]
LOCAL DISCHARGE LIMITS
Numerical limitations on the concentration, mass or other
characteristics of wastes or pollutants discharged to the sewerage
system by industrial users, and which are developed by DARA or Uwchlan
Township.
[Amended 12-14-2021 by Ord. No. 2021-05]
MILLIGRAMS PER LITER (MG/L)
The ratio of weight to volume expressing the concentration
of a specified component in a wastewater. Also known as parts per
million (ppm).
NATIONAL CATEGORICAL PRETREATMENT STANDARD
Any regulation containing pollutant discharge limits promulgated
by the EPA in accordance with Section 307(b) and (c) of the Act (33
U.S.C. § 1317) and which are defined in 40 CFR Chapter I,
Subchapter N, Parts 405-471.
NEW SOURCE
Any building, structure, facility, or installation for which
there is or may be a discharge of pollutants, the construction of
which commenced after the publication of proposed categorical standards
under Section 307(c) of the Act which will be applicable to such source
if such categorical standards are thereafter promulgated in accordance
with that section. Determination of the applicability of new source
standards shall be made as provided in the Act and 40 CFR Section
403.3.
OWNER
Any person vested with ownership, legal or equitable, sole
or partial, of any property, or his agent.
PASS THROUGH
Discharge through the DRWPCC or EVSTP which exists in quantities
or concentrations, alone or with discharges from other sources, which
causes a violation of any condition of the facility's NPDES permit.
[Amended 12-14-2021 by Ord. No. 2021-05]
PERSON
Any individual, firm, company, partnership, corporation,
association, group or society, including the state and agencies, districts,
commissions and political subdivision created by or pursuant to state
law and federal agencies, departments or instrumentalities thereof.
pH
The logarithm of the reciprocal of the hydrogen ion concentration
expressed as moles per liter.
POLLUTANT
Any dredged spoil, solid waste, incinerator residue, sewage,
sewage sludge, garbage, munitions, chemical wastes, biological materials,
radioactive materials, heat, wrecked or discarded equipment, rock,
sand, cellar dirt and industrial, municipal and agricultural waste
discharged into water.
PRETREATMENT
The reduction of the amount of pollutants, the elimination
of pollutants, or the alteration of the nature of pollutant properties
in wastewater to a less harmful state prior to or in lieu of discharging
or otherwise introducing such pollutants into the sewerage system.
The reduction or alteration may be obtained by physical, chemical
or biological processes, process changes or by other means, except
as prohibited by 40 CFR Section 403.6(d).
PRETREATMENT REQUIREMENT
Any substantive or procedural requirement related to pretreatment,
other than a National Categorical Pretreatment Standard, imposed on
an industrial user.
PRETREATMENT STANDARD
Any regulation containing pollutant discharge limits promulgated
by the EPA in accordance with Sections 307(b) and (c) of the Act,
which applies to industrial users. This term includes National Categorical
Pretreatment Standards, prohibited discharge limits and local discharge
limits.
SANITARY SEWAGE or SEWAGE
The normal waterborne waste from a household, and toilet
wastes from residences, business buildings, institutions, commercial
and industrial establishments.
SEWERAGE SYSTEM
The DRWPCC or EVSTP and any pipe, conduit or other equipment,
which carries wastewater to the DRWPCC or EVSTP.
[Amended 12-14-2021 by Ord. No. 2021-05]
SIGNIFICANT INDUSTRIAL USER
Any industrial user that:
[Amended 12-14-2021 by Ord. No. 2021-05]
(1)
Is subject to National Categorical Pretreatment
Standards; or
(2)
Discharges 10,000 gallons or more per day of
industrial wastewater; or
(3)
Contributes a waste stream which makes up 5%
or more of the dry weather compatible pollutant capacity of the DRWPCC
or EVSTP; or
(4)
Has a reasonable potential, as determined by
DARA, Uwchlan Township, or EPA, to adversely affect the DRWPCC or
EVSTP by interference, pass through of pollutants, sludge contaminations,
to endanger collection system and DRWPCC or EVSTP personnel, or to
violate any applicable pretreatment standard.
SIGNIFICANT NONCOMPLIANCE (SNC)
An industrial user is in significant noncompliance if its
violations meet one or more of the following criteria:
[Amended 12-14-2021 by Ord. No. 2021-05]
(1)
Chronic violations of wastewater discharge limits, defined as
those in which 66% or more of all the measurements taken during a
six-month period exceed (by any magnitude) the daily maximum limit
or the average limit for the same parameter measured;
(2)
Technical review criteria (TRC) violations, defined as those
violations in which 33% or more of all of the measurements for each
parameter measured taken during a six-month period equal or exceed
the product of the daily average maximum limit or the average limit
times the applicable TRC multiplier (TRC multiplier equals 1.4 for
BOD5 TSS, fats, oil and grease and 1.2 for
all other pollutants with numerical limits, except pH);
(3)
Any other violation of a pretreatment standard or requirement
(daily maximum or long-term average) that DARA or Uwchlan Township
determines has caused, alone or in combination with other discharges,
an interference or pass through at the DRWPCC or EVSTP (including
endangering the health of POTW personnel or the general public);
(4)
Any discharge of a pollutant that has caused imminent endangerment
to the health of DRWPCC or EVSTP personnel, the environment or the
general public; or has resulted in DARA or Uwchlan Township exercising
any emergency authority to halt or prevent such a discharge;
(5)
Failure to meet, within 90 days after the scheduled date, a
compliance schedule date, or a compliance schedule milestone contained
in the user's industrial waste discharge permit or enforcement
action for starting construction, completing construction, or attaining
final compliance;
(6)
Failure to provide, within 30 days after the due date, required
reports such as baseline monitoring reports, ninety-day compliance
reports, periodic self-monitoring reports, and reports on compliance
with a compliance schedule;
(7)
Failure to accurately report incidents of noncompliance; or
(8)
Any other violation or group of violations, which may include
a violation of best management practices, that DARA or Uwchlan Township
determines will adversely affect the overall implementation of its
industrial pretreatment program.
SLUG CONTROL PLAN
A report prepared by an industrial user and provided to DARA
or Uwchlan Township in accordance with this article which details
the existing and proposed facility plans and operating procedures
to be followed by that user in the event of a slug load.
[Amended 12-14-2021 by Ord. No. 2021-05]
SLUG LOAD
Any discharge of wastewater of a nonroutine or episodic nature,
including but not limited to an accidental spill or noncustomary batch
discharge at a flow rate or concentration that may cause a violation
of any pretreatment requirement or pretreatment standard set forth
in this article.
STANDARD INDUSTRIAL CLASSIFICATION (SIC)
A classification pursuant to the latest Standard Industrial
Classification Manual issued by the Executive Office of the President,
Office of Management and Budget.
STANDARD METHODS
The latest edition of "Standard Methods for the Examination
of Water and Wastewater," a manual published by the American Public
Health Association specifying analytical procedures for testing and
analysis of wastewater.
STATE
Commonwealth of Pennsylvania.
STORMWATER
Any flow occurring during or following any form of natural
precipitation and resulting exclusively therefrom.
SURCHARGE
An additional charge for the treatment of extra-strength
wastewater in excess of the basic charge for treatment of wastewater.
TOTAL KJELDAHL NITROGEN (TKN)
The sum of the organic nitrogen and ammonia nitrogen present
in wastewater, as measured by standard laboratory procedure as described
in standard methods.
TOTAL SUSPENDED SOLIDS (TSS)
The total suspended matter that either floats on the surface
of, or is in suspension in, water or wastewater and is removable by
laboratory filtration as prescribed in standard methods.
TWENTY-FOUR-HOUR COMPOSITE SAMPLE
A sample that is collected over time, formed either by continuous
sampling or by mixing discrete samples collected at regular intervals
not exceeding one hour during a twenty-four-hour time span. The sample
may be collected either as a time composite sample (composed of discrete
sample aliquots collected in one container at constant time intervals
providing representative samples irrespective of discharge flow) or
as a flow proportional composite sample (collected either as a constant
sample volume at time intervals proportional to stream flow, or collected
by increasing the volume of each aliquot as the flow increases while
maintaining a constant time interval between aliquots).
USER
Any person who contributes wastewater into the sewerage system.
WASTEWATER
The combined flow of sanitary sewage and industrial wastewater,
together with such quantities of infiltration and inflow as may be
present.