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THE CORPORATION OF THE TOWNSHIP OF WILMOT
BY-LAW NO. 2025-55
BEING A BY-LAW to regulate discharges to the Sewage Works and Drainage Works of
the Township of Wilmot, and to provide for the protection of these systems and the
Natural Environment.
WHEREAS Subsection 5(3) of the Municipal Act, 2001, S.O. 2001, c.25, as amended, provides
that a municipal power shall be exercised by by-law;
AND WHEREAS subsection 8(1) of the Municipal Act, 2001, S.O. 2001, c.25 provides that the
powers of a municipality shall be interpreted broadly so as to confer broad authority on the
municipality to enable the municipality to govern its affairs as it considers appropriate and to
enhance the municipality's ability to respond to municipal issues;
AND WHEREAS section 11(3) of the Municipal Act, 2001, S.O. 2001 c. 25, authorizes a
municipality to pass by-laws respecting matters concerning public utilities;
AND WHEREAS subsection 446 of the Act provides that where a municipality has the authority
by by-law or otherwise to direct that a matter or thing be done, the municipality may also provide
that, in default of it being done by the Person directed to do it, the matter or thing shall be done
at the Person's expense and the municipality may recover the expense occurred by action or by
adding the cost to the tax roll;
AND WHEREAS the Municipal Council of the Corporation of the Township of Wilmot deems it
necessary and desirable to regulate discharges to the Sewage Works and Drainage Works and
to provide for the protection of the Natural Environment and the Sewer systems within the
Township of Wilmot;
NOW THEREFORE THE COUNCIL OF THE CORPORATION OF THE TOWNSHIP OF
WILMOT ENACTS AS FOLLOWS:
1. SHORT TITLE
This by-law shall be known, and may be cited, as the "Sewer Use By-Law."
2. DEFINITIONS
The following terminology is used throughout the By-law:
Definitions in the Township of Wilmot Property Standards By-law 2008-54, as amended, shall be
used with respect to matters pertaining to maintenance of properties, buildings and structures
which are undefined in this By-law.
Definitions in the Building Code Act, 1992, S.O. 1992, c.23 (the "Building Code Act") and O. Reg.
332/12 under the Building Code Act (the "Ontario Building Code") shall be used with respect to
matters pertaining to building construction which are undefined in this By-law.
"Accredited Laboratory" means any laboratory accredited by an authorized accreditation body
in accordance with a standard based on "CAN-P-1585: Requirements for the Accreditation of
Environmental Testing Laboratories" established by the Standards Council of Canada, as
amended, or "ISO/IEC/EN 17025: General Requirements for Competence of Calibration and
Testing Laboratories" established by the International Organization for Standardization, as
amended.
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"Appurtenance" means the apparatus or equipment that is an accessory to the Sewage Works
or to the Drainage Works.
"Blank" or "Blanked" means the temporary or permanent decommissioning of a pipe by means
of plugging, capping, or other method approved by the Township.
"Building Code" means the Building Code pursuant to the Building Code Act, 1992, S.O. 1992,
c. 23, as amended, or any successor legislation thereto;
"Carbonaceous Biochemical Oxygen Demand (CBOD)" is a measure of the quantity of oxygen
used for the decomposition of organic matter under standard laboratory procedures in five days
in the presence of a nitrification inhibitor, expressed in mg/L.
"Catch Basin" means a receptacle installed to collect surface water from an open area, for
drainage into the Storm Sewer system, and to trap solids by means of a sump within the Catch
Basin.
"Chemical Oxygen Demand (COD)" is the measure of the capacity of water to consume oxygen
as a result of oxidation of inorganic chemicals and decomposition of organic Matter.
"Chief Building Official (CBO)" means a Person and such inspectors as appointed by the
Township necessary for the enforcement of the Building Code Act and the regulations thereunder
and any other statutes referred to in this By-law, and all Persons authorized at the direction of the
Chief Building Official for the purposes of exercising the power and duties of the Chief Building
Official under this By-law.
"Clean Water Act, 2006" means the Clean Water Act, 2006, S.O. 2006, c. 22, as amended, or
any successor thereof.
"Commercial" means any premise that operates a business activity which may distribute goods
or provide services, but generally does not involve the manufacturing, processing, or production
of goods from which there is a discharge of Matter directly or indirectly into a Sanitary Sewer or
Storm Sewer of the Township.
"Composite Sample" means a sample which is composed of a series of Grab Samples taken at
intervals during the sampling period.
"Council" means the municipal council of The Corporation of the Township of Wilmot.
"Drainage System" means a natural or constructed means of intercepting, collecting, and
removing Stormwater or Groundwater, usually by gravity flow.
"Drainage Works" means any and all Storm Sewers, buildings, structures, equipment,
Appurtenances, devices, conduits, underground pipelines, laterals, ditches, Watercourses, and
Municipal Drains and Outlets created under the Drainage Act, R.S.O. 1990, c. D. 17, as amended,
and related installations and other works of the Township designed for the collection and
transmission of Stormwater or Groundwater, and includes lands over which an easement or
consent has been granted or lands appropriated for such purposes and use.
"DGSSMS" means Region of Waterloo and Area Municipalities Design Guidelines and
Supplemental Specifications for Municipal Services
"Environmental Protection Act" means the Environmental Protection Act, R.S.O. 1990, c. E. 19,
as amended, or any successor thereof.
"Fuel" means alcohol, gasoline, naphtha, diesel fuel, fuel oil or any other ignitable substance
intended for use as a fuel.
"Foundation Drain" means drainage piping installed below the surface of the ground to collect
and convey water away from a building foundation (see Figure 1).
"Grab Sample" means an aliquot of the flow being sampled taken at one particular time and
place.
"Groundwater" means water beneath the earth's surface accumulating as a result of seepage.
"Hauled Sewage" means waste removed from any Sewage system, including a cesspool, septic
tank system, privy vault or privy pit, chemical toilet, portable toilet, or Sewage holding tank.
"Industrial" means of or pertaining to manufacturing, commerce, trade, business, or institutions
as distinguished from domestic or residential.
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"Industry" means any Industrial, Commercial, or Institutional premises from which there is a
discharge of any Matter directly or indirectly into a Sanitary Sewer or Storm Sewer of the
Township.
"Institutional" means of or relating to a facility, usually owned by a government, operated for
public purposes, such as schools, universities, medical facilities (hospitals, nursing stations,
nursing homes), museums, prisons, government offices, military bases, some of which facilities
produce non-residential discharges to Sanitary Sewers from laboratories, chemical use, or
industrial processes, for example.
"Interceptor" means a receptacle installed to collect and prevent oil, grease, petroleum products,
grit, sand, and/or other materials from passing into the Sanitary Sewer system or Storm Sewer
system.
"Leak" means to enter or escape through an opening usually by fault or mistake, particularly
involving inflow, infiltration, and exfiltration as they pertain to Sewer Systems.
"Manager" is the Manager of Public Works, or the Manager of Engineering Infrastructure Services
Or their designate.
"Matter" includes any solid, liquid or gas.
"Ministry of Environment, Conservation and Parks" (MECP) means the Ontario government
ministry responsible for protecting and improving the quality of the Natural Environment in Ontario,
or as renamed under subsequent governments.
"Monitoring Access Point" means an access point, such as a chamber, in a Private Sanitary
Lateral to the Sanitary Sewer system or Private Storm Lateral to the Storm Sewer system, to allow
for observation, sampling and flow measurement of the Wastewater, Stormwater, Subsurface
Water, or Uncontaminated Water therein.
"Multi-Residential" means a property, including, but not limited to, an apartment, row house,
townhouse complex or condominium property, which contains six or more Dwelling Units.
"Municipal Sanitary Lateral" means the pipes and Appurtenances of the Sewage Works located
within the right-of-way and situated between the Sanitary Sewer and the property line (see Figure
1).
"Municipal Storm Lateral" means the pipes and Appurtenances of the Drainage Works located
within the right-of-way and situated between the Storm Sewer and the property line (see Figure
1).
"Natural Environment" means the land and water, or any combination thereof, of the Township.
"Non-contact Cooling Water" means water which is used to reduce temperature for the purpose
of cooling, and which does not come into direct contact with any raw material, intermediate or
finished product other than heat.
"Officer" means a Municipal Law Enforcement Officer appointed by the Township for the
purposes of enforcing the provisions of this By-law.
"Ontario Regulation 347" means Revised Regulations of Ontario, 1990, Regulation 347 (General
- Waste Management), or any successor regulation thereof, made under the Environmental
Protection Act.
"Ontario Water Resources Act" means the Ontario Water Resources Act, R.S.O. 1990, c. 0.40,
as amended, or any successor thereof.
"Outlet" means a location at which Stormwater is discharged into a Stormwater Management
system, Watercourse, or Surface Water Feature.
"Owner" means the registered owner of the lands and premises or the Person in lawful control of
the premises who operates any facility or activity which is subject to the provisions of this By-law.
"PCB" means any monochlorinated or polychlorinated biphenyl, or any mixture of them, or any
mixture that contains one or more of them.
"Person" will be broadly interpreted and includes a natural person, a corporation, a partnership,
a sole proprietorship, a trust, a joint venture, an association, or any other organization or entity of
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any kind and their respective heirs, executors, administrators, successors, assigns or other legal
representatives of a person to whom the context can apply according to law.
"Pesticide" means a pesticide regulated under the Pesticides Act, R.S.O. 1990, c. P.11, as
amended.
"pH" means the logarithm to the base 10 of the reciprocal of the concentration of hydrogen ions
in moles per litre of solution.
"Phenolic Compounds" means those derivatives of aromatic hydrocarbons which have a
hydroxyl group directly attached to the ring as determined by Standard Methods.
"Private Drain" means a ditch, swale, channel, Watercourse, and/or pipe or system of pipes that
collects and carries Stormwater or Groundwater which is within the limits of private property and
privately-owned.
"Private Drainage System" means a privately-owned network of ditches, swales, collection
pipes, maintenance holes, Interceptors, Catch Basins, and Appurtenances, to collect Stormwater
or Groundwater, discharging to the Drainage Works or other approved Outlet, usually by gravity
flow.
"Private Sanitary Lateral" means the pipes used to convey Sewage from a private property to
the property line and a Municipal Sanitary Lateral and the Sewage Works (see Figure 1).
"Private Sewage Collection System" means a privately-owned network of Sewage collection
pipes, maintenance holes, Interceptors, private Sewage lift stations, holding tanks, pump
systems, and Appurtenances, servicing two or more buildings, discharging to the Sewage Works.
"Private Sewage Disposal System" means a Sewage system or a Sewage Works as defined in
the Ontario Building Code, that is not owned and operated by the Crown, a municipality, or an
organization acceptable to the Director responsible for issuing an environmental compliance
approval required under section 53 of the Ontario Water Resources Act.
"Private Storm Lateral" means the pipes to convey drainage from a private property to the
property line and a Municipal Storm Lateral and the Drainage Works (see Figure 1).
"Rainwater Harvesting System" means technology used to collect and store rainwater and snow
melt, typically from building roofs, for on-site uses such as irrigation and flushing toilets.
"Region" means the Regional Municipality of Waterloo.
"Regional Works" includes any Sanitary Sewer, sewage works, storm sewer, wastewater
treatment plant, pumping station, and any incidental valves, access chambers and other works,
that is owned or under the jurisdiction of the Region of Waterloo;
"Sanitary Sewer" means a Sewer for the collection and transmission of Sewage or Wastewater.
"Service Connection" means the part or those parts of any pipe or system of pipes leading
directly to the municipal Sanitary Sewer or Storm Sewer (see Figure 1).
"Severely Toxic Contaminant" means any substance listed in Schedule 3 of Ontario Regulation
347.
"Sewage" means any liquid waste containing organic, inorganic, animal, vegetable, or mineral
Matter in solution or in suspension but does not include Stormwater or Uncontaminated water.
"Sewage Works" means any works for the collection, transmission, treatment or disposal of
Sewage or Wastewater, or any part of such works, but does not include plumbing to which the
Ontario Building Code applies.
"Sewer" means a pipe, conduit, drain, open channel or ditch for the collection and transmission
of Sewage, Stormwater, or Uncontaminated Water, or any combination thereof.
"Solvent Extractable Matter" means grease and oil as determined by Standard Methods.
"Spill" when used with reference to a pollutant, means a direct or indirect discharge into the
Sewage Works, Drainage Works, or the Natural Environment from or out of a structure, vehicle,
or other container that is abnormal in quantity or quality in light of all the circumstances of the
discharge.
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"Standard Methods" means the procedure set out in Standard Methods for the Examination of
Water and Wastewater published jointly by the American Public Health Association, Water
Environment Federation, and American Water Works Association, latest addition, or the Ministry
of Environment, Conservation and Parks publication Protocol for the Sampling and Analysis of
Industrial/Municipal Wastewater, 2016, as may be amended, modified, supplemented or replaced
from time to time.
"Storm Sewer" means a Sewer for the collection and transmission of Uncontaminated Water,
Stormwater, drainage from land or from a Watercourse or any combination thereof.
"Stormwater" means the water running off the surface of a drainage area during and immediately
after a period of rain or snow melt, including water from roofs, sump pumps or Foundation Drains.
"Stormwater Management" means drainage control practices and constructed works
implemented to protect property, natural or constructed Watercourses, and Surface Water
Features from Stormwater impacts.
"Subsurface Water" means Groundwater including Foundation Drain water.
"Surface Water Feature" means water-related features, including headwaters, rivers, stream
channels, inland lakes and ponds, seepage areas, recharge/discharge areas, springs, wetlands
and associated riparian lands that can be defined by their soil moisture, soil type, vegetation, and
topographic characteristics.
"Total Kjeldahl Nitrogen" (TKN) means organic nitrogen as determined by Standard Methods.
"Total Suspended Solids" (TSS) means insoluble Matter in liquid that is removable by filtration,
as determined by the appropriate procedure described in Standard Methods.
"Uncontaminated Water" means water to which no Matter has been added as a consequence
of its use, or to modify its use, by any Person or by any means, with a level of quality which is
comparable to potable water normally supplied by the Township.
"Wastewater" means a composite of water and water-carried wastes from residential,
Commercial, Industrial or Institutional premises or any other source, including swimming pools,
hot tubs, spas, or wading pools.
"Wastewater Sludge" means solid material recovered from the Wastewater treatment process.
"Watercourse" means an open channel, ditch, or depression, either natural or artificial, in which
flow of water occurs either continuously or intermittently.
Figure 1 illustrates some key terminology related to property drainage used in this By-law.
Figure 1: Property Drainage Terminology
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3. SCOPE
The following terminology is used throughout the By-law:
This By-law applies to the construction, management, use, operation, maintenance, repair, and
rehabilitation of the Sewage Works and Drainage Works under the jurisdiction of the Corporation
of the Township of Wilmot.
Sanitary Sewer service areas and Storm Sewer service areas covered under this By-law are as
identified in the Township's Official Plan and supporting infrastructure studies and area specific
servicing plans, as approved by Council through By-law adoption from time to time.
The Township shall manage and maintain the Sewage Works and the Drainage Works in
accordance with the provisions of this By-law and the provisions of the Municipal Act, 2001, S.O.
2001, the Ontario Water Resources Act, R.S.O. 1990, c. O.40, the Environmental Protection Act,
R.S.O. 1990, c. E. 19, the Drainage Act, R.S.O. 1990, c. D.17, the Fisheries Act, R.S.C., 1985,
c. F-14, the Clean Water Act, 2006, S.O. 2006, c.22, the Building Code Act, 1992, S.O. 1992,
c.23, and regulations, standards, and guidelines established under these Acts, as may be
amended from time to time, and any other applicable law or regulations.
The use of the Sewer Works and Sewage discharge characteristics shall conform to the
restrictions of the Regional Municipality of Waterloo Sewer Use By-law 21-036, as amended
from time to time. If any conflict arises between this By-law and the Regional By-law, the more
restrictive clauses shall apply.
4. ADMINISTRATION
4.1. Administrative Responsibilities
The administration and enforcement of this By-law shall be under the jurisdiction of the Manager.
The Manager shall appoint Municipal By Law Enforcement Officers or other designates, as
required, for the purpose of administering and enforcement of this By-law.
The Manager may delegate any action he or she is authorized under this By-law.
The Township shall establish and periodically update standards, guidelines, and specifications
governing the design, construction, operation, maintenance, repair and rehabilitation of the
Sewage Works and Drainage Works.
4.2. Responsibilities of the Owner
The entire cost of providing, installing, operating, maintaining, repairing, replacing, or relocating
any Private Sanitary Lateral or Private Sewage Collection System and any Private Storm Lateral
or Private Drainage System or private Stormwater Management system, and Appurtenances
connected, shall be the responsibility of, and paid for by, the Owner.
Every Owner shall maintain their Private Sanitary Lateral, Private Sewage Collection System,
Private Storm Lateral, Private Drainage System, or private Stormwater Management systems,
including Appurtenances connected thereto, in good working order and condition in
accordance with its designated purpose and to the satisfaction of the Township.
Every Owner shall ensure that all maintenance holes, Interceptors, Catch Basins,
devices, or Appurtenances on private property required under this By-law are
maintained as per design.
Every Owner of a Private Sewage Collection System shall:
a) properly operate their facilities;
b) promptly resolve any maintenance needs; and
c) regularly inspect the system to ensure it complies with this By-law.
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Once a Service Connection has been installed and put into service, no Person shall
alter, modify, or disconnect the Service Connection from a Sanitary Sewer or Storm
Sewer without the prior written approval of the Township.
Every Owner shall, at all reasonable times and upon reasonable notice provided by
the Township, allow and provide access to buildings or premises to any Person duly
authorized by the Township for the purposes of inspecting, maintaining, repairing,
disconnecting, or reinstalling a Service Connection or for taking corrective action,
and/or carrying out work required by this By-law.
Every Owner shall be responsible for fees in relation to applications and other
requirements of this By-law as set out in the Township's Water and Wastewater Fees
and Charges By-law, as periodically amended.
Only an Owner may request the disconnection of a Service Connection. Such request
shall be made in writing in a form as specified by the Township.
Every Owner shall indemnify and hold harmless the Township for any loss or damage
to the Township or to any Person, that may occur in, or as a result of, work carried out
or actions by the Owner or an agent of the Owner as required under this By-law.
4.3. Reports Required
Every Owner of a Private Sewage Collection System shall, upon request, submit to the
Township:
a) a maintenance, operations, and inspection program for their facilities in a format
as approved by the Township; and
b) any system facility performance details in a format as approved by the Township.
4.4. Design and Construction
Before approval of the construction of, or modifications to, a Drainage System, or
before approval of a Service Connection from a Drainage System, or in anticipation of
possible adverse consequences from potential future flooding of the subject or
surrounding lands, or potential adverse Stormwater quality, the Township may require
the Owner, to complete one or more of the following:
a) a study on Stormwater quality and/or quantity;
b) modification and/or construction of Stormwater facilities;
c) adoption and implementation of pollution prevention techniques and measures;
d) adoption of a Stormwater Management plan; and/or
e) any other requirement as specified by the Township or Council.
No Person shall discharge Sewage to the Sewage Works or Stormwater to the Drainage
Works except at Service Connection locations and in a manner specified by the Township,
as may be altered from time to time.
Every Owner shall ensure that all new Sewage Works and Drainage Works, or
modifications to existing ones, are constructed with adherence to the Region of Waterloo
and Area Municipal Design Guidelines and Supplemental Specifications for Municipal
Services, and the Township of Wilmot Infrastructure Standards and Specifications as
amended from time to time.
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5. SANITARY SEWER REQUIREMENTS
5.1. Service Connections
Where a municipal sewer is readily available, connection to the Municipal System shall be
mandatory. The Township shall not permit Septic systems where an existing sanitary sewer
is available for discharge within 100m of the proposed development and the service can be
practically made without requiring private easements or crossing natural hazards.
All Service Connections to the Sewage Works and all replacements to, relocations of,
disconnections, or removals from the Sewage Works require prior approval through written
application and the issuance of a permit by the Township.
An Owner shall pay all applicable fees and charges for the supply, installation, replacement,
relocation, or disconnection of Service Connections as prescribed by in the Fees and Charges
By-Law.
Where a Service Connection is made to the Sewage Works in compliance with this By-law,
any septic tanks, cesspools and similar Private Sewage Disposal Systems shall be cleaned
and filled, or removed or decommissioned, within 30 calendar days after the completion of the
Service Connection, to the satisfaction of the Chief Building Official.
Where specific health hazards or environmental concerns have been identified, an Owner
shall connect all sanitary facilities within an existing building to the Sewage Works, in
accordance with the Ontario Building Code, Part 7, within 60 calendar days of receipt of a
registered notice to make such Service Connection from the Township and/or from the
Medical Officer of Health, to the satisfaction of the Chief Building Official and the Township.
No Owner shall construct a Service Connection through neighbouring private lands without
obtaining written authorization from those property owners and a private easement over the
said properties.
No Person shall construct or attempt to construct all or any part of a Service Connection prior
to:
a) completing and submitting to the Township a Service Connection application;
b) receiving approval in writing from the Township to construct such Service Connection;
c) paying in full any fees or charges related to the administration of this By-law; and
Service Connections believed to be defective shall be reported to the Township.
Where the Township has Blanked a Service Connection, the Service Connection shall not be
reinstated until the Township or Chief Building Official has been satisfied that any non-
compliance with discharge requirements or any defect in such Service Connection has been
properly rectified in accordance with Township standards and the requirements established
under this By-law.
Every Owner shall maintain a Private Sanitary Lateral and repair or replace it as required to
ensure that it does not Leak or cause damage to other property or Township infrastructure.
5.2. Sanitary Lateral
Where a building has been demolished and the property Owner proposes to utilize the existing
Private Sanitary Lateral to serve a new building, the Owner must first obtain the written
approval from the CBO or Manager of Engineering to do so.
The construction may require a new Private Sanitary Lateral unless it can be demonstrated
that:
a) The existing lateral conforms with DGSSMS B3.3 and C.3.1.5
b) The existing lateral is free from sags and defects.
A recent (<5yrs) CCTV of the sewer lateral shall be provided for the Township for Review and
acceptance or Township Staff shall be permitted to CCTV the lateral. The lateral(s) shall be
either:
c) Accepted for use in their current condition.
d) Require relining or rehabilitation.
e) Require replacement full replacement.
All costs associated with rehabilitation or replacement of the sewer laterals shall be in accordance
with section 4.2.
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Every Owner shall maintain a Private Sanitary Lateral and repair or replace it as required to
ensure that it does not Leak or cause damage to other property or City infrastructure.
5.3. Service Disconnections
Every Owner requiring the discontinuation of a Service Connection for the purpose of
demolition, or for other reasons, shall excavate, cap/plug, backfill, and reinstate the
excavation so that the Service Connection may be properly Blanked and inspected by the
Township.
No Person shall reconnect or reinstate a disconnected or Blanked Service Connection without
reapplication for the Service Connection in accordance with the standards of the Township
and payment of the applicable fees.
5.4. Discharges to Sanitary Sewer
No Person shall discharge or deposit or cause or permit the discharge or deposit of any of the
following Matter into or in any Sanitary Sewer or municipal or private Service Connection to
any Sanitary Sewer:
a) Matter of any type or at any temperature or in any quantity which may be, or may
become, a health or safety hazard to a Township employee, or which may be, or may
become, harmful to the Sewage Works, or which may cause a Sewage Works effluent
to contravene any requirement by or under the Ontario Water Resources Act or the
Environmental Protection Act;
b) Matter which may cause the sludge or compost from the Sewage Works to fail to meet
the criteria relating to contaminants for utilizing the sludge or compost for beneficial
use under Ontario Guidelines for Sewage Sludge Utilization on Agricultural Lands
(March 1996), or any successor thereto;
c) Matter which may interfere with the proper operation of the Sewage Works, or which
may impair or interfere with any Sewage treatment process, or which is or may result
in a hazard to any Person, animal, property or vegetation;
d) Solid or viscous Matter in such quantity or size as to be capable of causing obstruction
to the flow in a Sanitary Sewer
e) Sewage that may cause an offensive odour to emanate from the Sewage Works;
f) Stormwater, water from drainage of roofs or land, water from a Watercourse or
Uncontaminated Water;
g) Water that has originated from a source separate from the water distribution system
of the Township;
h) Sewage which consists of two or more separate liquid layers;
i) Sewage containing dyes or colouring materials that cause, or may cause discolor to
the Sewage Works or effluent;
j) Fuel
k) Pesticides
l) Severely Toxic Contaminant
m) Biomedical Wastes
n) Hauled Sewage; or
o) Radioactive Wastes
Subject to subsection (2) of this section, no person shall discharge or deposit, or cause or
permit the discharge or deposit, of effluent containing any of the following Matter in excess of
the concentrations or limits indicated in the Region of Waterloo By-Law Number 21-036 as
provided in Schedule 2 to be updated periodically.
The prohibition in subsection 5.3.1 of this section shall not apply to the discharge or deposit
of CBOD, TSS, P and TKN if:
a) the discharge or deposit is less than 0.5% on average and no more than 1%
at any time of the loading coming into the receiving wastewater treatment
plant;
b) the discharge or deposit of effluent has no negative impact on either the
receiving Sanitary Sewer or Regional Works.
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5.5. Disconnection of Stormwater from Sanitary Sewer
Every Owner of a building or premises which has a Private Drain, Private Drainage System,
Private Storm Lateral, downspouts, Foundation Drains and/or sump pumps connected to the
Sanitary Sewer system shall, at their own expense, disconnect such items from the Sanitary
Sewer system.
6. STORM SEWER REQUIREMNTS
6.1. Service Connections
All Service Connections to the Drainage Works and all replacements to, relocations of,
disconnections or removals from the Drainage Works require prior approval through written
application and the issuance of a permit by the Township.
No Person shall construct or attempt to construct all or any part of a Service Connection to
the Drainage Works prior to:
a) completing and submitting to the Township a Service Connection application;
b) receiving approval in writing from the Township to construct such Service
Connection; and;
c) paying in full to the Treasurer of the Township any fees or charges in relation to the
administration of this By-law.
An Owner shall pay all applicable fees and charges for the supply, installation, replacement,
relocation, or disconnection of drainage Service Connections as prescribed by Council.
In order to be granted a permit to connect to a Storm Sewer of the Drainage Works, a building,
premises or facility must be within a Storm Sewer service area (as defined by the Official Plan
of the Township, as amended) and, at the discretion of the Township, must have frontage or
flankage abutting a Storm Sewer of the Drainage Works.
6.2. Storm Laterals
Where a building has been demolished and the property Owner proposes to utilize the existing
Private Storm Lateral to serve a new building, the Owner must first obtain the written approval
from the CBO or Manager of Engineering to do so.
The construction may require a new Private Storm Lateral unless it can be demonstrated that:
a) The existing lateral conforms with DGSSMS B4.5 C3.1.7
b) The existing lateral is free from sags and defects.
A recent (<5yrs) CCTV of the sewer lateral shall be provided for the Township for Review and
acceptance or Township Staff shall be permitted to CCTV the lateral. The lateral(s) shall be
either:
c) Accepted for use in their current condition.
d) Require relining or rehabilitation.
e) Require full replacement.
All costs associated with rehabilitation or replacement of the sewer laterals shall be in accordance
with section 4.2.
Every Owner shall maintain a Private Storm Lateral and repair or replace it as required to
ensure that it does not Leak or cause damage to other property or City infrastructure.
6.3. Discharges to Storm Sewer
Permitted discharges to a Storm Sewer include Stormwater, Uncontaminated Water,
Dechlorinated municipal water or Non-contact Cooling Water following an thermal
impact assessment.
No Person shall discharge or deposit or cause or permit the discharge or deposit into
the Drainage Works any Matter which may:
a) interfere with the proper operation of a Storm Sewer;
b) obstruct a Storm Sewer or the flow therein;
c) result in a hazard to any Person, animal, property or vegetation;
d) impair the quality of the water in any well, lake, river, pond, spring,
stream, reservoir or other water or Surface Water Feature; or
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e) result in the contravention of an approval, requirement, direction or
other order under the Ontario Water Resources Act, Environmental
Protection Act, Fisheries Act, or Clean Water Act, 2006 with respect to
the Storm Sewer or its discharge.
6.4. Private Drain Requirements
No Person shall alter, fill, obstruct, block or in any way interfere with a Private Drain,
including allowing a Private Drain to fall into disrepair such that the flow of Stormwater,
Groundwater, surface, or Subsurface Water from or to another private land is interfered
with to the extent that the Owners of such other private land suffer damages or are
inconvenienced.
Every Owner of land shall keep in a state of good repair any Private Drain on land owned
or occupied by them, thus shall alter, relay, or repair any Private Drain as may be required
for compliance with this By-law.
The Township may send to, or serve on, the Owner of any land a notice requiring the
Owner to maintain, repair, alter, relocate, or relay any Private Drain, within a specified
number of calendar days, as may be required by the Township pursuant to section 5.3 of
this by-law.
If any Person causes or permits the alteration, fill, obstruction or blocking of, or
interference with any Private Drain, the Township may by written notice to, or served on,
such Person, require such Person to remedy or remove the alteration, fill, obstruction,
blocking or interference forthwith.
7. INTERCEPTORS
Every Owner of a restaurant or other Institutional or Commercial building or establishment
where food is cooked, processed or prepared that discharges directly or indirectly to a
Sanitary Sewer shall install and maintain an Interceptor in accordance with the most
current requirements of the Building Code to prevent any food oils or greases from
entering the Sanitary Sewer.
Every Owner of a motor vehicle service station, mechanical repair shop or any other
establishment where motor vehicles are repaired, lubricated, or maintained that
discharges directly or indirectly to a Sanitary Sewer shall install and maintain an
Interceptor in accordance with the most current requirements of the Building Code to
prevent any mechanical oils or greases from entering the Sanitary Sewer.
Every Owner of an establishment where sand, grit or similar material is used in a
Commercial or Industrial process that directly or indirectly discharges to a Sanitary Sewer
shall install and maintain an Interceptor in accordance with the most current requirements
of the Building Code to prevent any sand, grit or similar material from entering the Sanitary
Sewer.
8. WASTEFOOD GRINDERS
No Person shall install or operate any food waste grinding devices, the effluent from which
discharges directly or indirectly into a Sanitary Sewer or Storm Sewer.
9. PROHIBITION OF DILUTION
No Person shall discharge or permit the discharge, directly or indirectly, of Wastewater
into the Sewage Works or Drainage Works where water has been added to the discharge
for the purposes of dilution to achieve compliance with this By-law.
10. NONCONTACT COOLING WATER
No Person shall discharge Non-contact Cooling Water or Uncontaminated Water to a
Sanitary Sewer from any residential property.
The discharge of Non-contact Cooling Water or Uncontaminated Water to a Sanitary
Sewer from Industrial, Commercial, or Institutional properties is permissible where:
a) in the case of a proposed building, no Storm Sewer exists adjacent to
the building and no opportunity exists to discharge to yard drainage; or
b) in the case of an existing building, no Storm Sewer Service Connection
By-Law 2025-55
Page 12 of 21
exists to the building.
c) An approved flow monitor has been added to the effluent line for the
monitoring and measuring of flows to the sanitary sewer network.
11. WATER ORIGINATING FROM SOURCE OTHER THAN MUNICIAPAL WATER SUPPLY
Except for Wastewater originating from a Township-approved Rainwater Harvesting
System, no Person shall discharge water originating from a source other than the
Township water supply, including Stormwater or Groundwater, directly or indirectly to
a Sanitary Sewer, unless:
the discharge is in accordance with a Discharge Agreement;
the discharge does not exceed the limits set out under Schedule 'B'; and
in the event the discharge does exceed the limits set out under Schedule 'B', the
discharge is in accordance with an Overstrength Surcharge Agreement or
Overstrength Surcharge Compliance Agreement.
All construction sites within the Township must comply with the Construction
Specifications for Control of Water from Dewatering Operations, OPSS.MUNI 518,
2017, as amended.
Every Owner of a construction site, where such discharges may directly or indirectly
enter a Storm Sewer, land drainage, into the Natural Environment or highway from the
construction site, shall install, operate, and properly maintain controls to prevent such
a discharge or deposit.
Any Stormwater or Groundwater collected within any excavation, or in any completed
or partially completed basement, shall be drained by pumping if gravity drainage is not
possible, subject to the conditions of a Discharge Agreement. If pumping to a
naturalized Drainage Works (such as a ditch), erosion control measures shall be
implemented at the point of discharge, subject to MECP approval.
12. SAMPLING AND ANALYTICAL REQUIREMENTS
The Township may collect samples to determine the characteristics or contents of any
Sewage, Uncontaminated Water or Stormwater. The sample may:
a) be a Grab Sample or a Composite Sample;
b) be collected manually or by using an automatic sampling device; and/or
c) contain additives for its preservation.
All tests, measurements, analyses and examinations of Wastewater, its characteristics or
contents pursuant to this By-law shall be carried out in accordance with Standard Methods
and be performed by an Accredited Laboratory.
13. DISCHARGE SELF-MONITORING AND SAMPLING
The Township may require that a discharger monitor or sample any discharge to the Sewage
Works or the Drainage Works and provide the results to the Township in the form specified by the
Township.
The monitoring or sampling requirements shall be completed at the expense of the discharger.
14. MONITORING ACCESS POINTS
Every Owner of a Commercial, Institutional, or Industrial premises, or Private Sewage Collection
System with one or more Service Connections to the Sewage Works, shall install and maintain in
good repair in each Private Sanitary Lateral a suitable Monitoring Access Point to allow
observation, sampling, and flow measurement of the Wastewater therein.
Where installation of a Monitoring Access Point is not possible, an alternative device or facility
may be substituted with the prior written approval of the Township.
The Monitoring Access Point, or alternative device such as a sampling port, shall be located on
the property of the premises, as close to the property line as possible, unless the Township has
given prior written approval for a different location.
By-Law 2025-55
Page 13 of 21
Each Monitoring Access Point, alternative device, or facility installed shall be designed and
constructed in accordance with good engineering practice and the requirements of the Township
and shall be constructed and maintained by the Owner of the premises at the Owner's expense.
Every Owner of a premises with a Monitoring Access Point shall ensure that the Monitoring
Access Point, alternative device, or facility is always accessible for the purposes of observing,
sampling, and obtaining flow measurement of the Wastewater therein.
15. SERVICING NEW DEVELOPMENT
All new developments shall ensure the connection to the municipal system is bulk-headed until
permission is granted by the Chief Building Official or the manager of Engineering for the removal
of the bulk-head.
All new Site Plan and Subdivisions shall provide flow monitoring following construction to
demonstrate the Sanitary Sewers meet inflow and infiltration objectives as outlined in the
Townships Infrastructure Standards and Specifications.
For Site Plan developments per section 14 an approved Flow Monitoring Device shall be installed
within the Monitoring Access Point. Flows shall be monitored for a period of 3
months using
approved flow monitors with all data provided to the Township upon
certification
of
the
works.
For Subdivisions, the developer shall be required to provide a flow monitoring plan
during
the design of the development. The monitoring plan shall include SCADA flow
monitoring
wherever sanitary flows conenct to the municipal system. Upon assumption
of
the
subdivision the flow monitoring devises shall become property of the Township of
Wilmot
for continued monitoring of the township sanitary sewer network.
Flow monitoring must be from March 1 - May 31 (preferred), OR September 1 - November 30
(secondary) or until specified events are captured;
If the results do not meet Township guidelines, the Developer shall remediate the system to the
satisfaction of the Manager.
16. PREVENTION OF LEAKS
No Owner shall permit any leak to occur from a Private Sanitary Lateral, Private Sewage
Collection System, Sewage holding tank, septic tank, or any other private Sewage treatment
system and shall take corrective action to repair any leak.
If Township staff, through their operational activities, suspect a Sanitary Sewer Lateral is
defective, the Owner shall be required to perform a closed-circuit television (CCTV) inspection to
identify any defects or sources of inflow and infiltration subject to the following:
The inspection shall meet Lateral Assessment and Certification Program (LACP) standards and
be undertaken by a qualified contractor and provided to the Township;
The Manager will determine whether the Sewer Lateral is in good condition and free of structural
defects;
Laterals found to be defective will be repaired or replaced as appropriate as per this By-law, at
the Owner's expense.
Every Owner of a Private Sewage Collection System shall:
properly operate their facilities;
promptly resolve any maintenance needs; and
regularly inspect the system to ensure it complies with this By-law.
17. DOWNSPOUTS
Every Owner shall extend all roof water drainage downspouts so that Stormwater flow exits the
downspout to a splash pad to prevent erosion, a minimum distance of 0.6 m from the exterior
walls of a building, though a 1.5 m distance is recommended.
No person shall direct a roof water downspout to grade in such a manner which causes damage
from accumulation of Stormwater or any other adverse effect to an adjacent property.
The Owner of any building which has a roof water downspout discharging Stormwater into the
Sanitary Sewer Lateral shall disconnect the downspout from the underground portion at grade
and cap the underground portion to prevent the ingress of Stormwater.
By-Law 2025-55
Page 14 of 21
The Owner of any building which has a roof water downspout discharging Stormwater into the
Storm Sewer Lateral shall disconnect the downspout from the underground portion at grade.
No person shall direct or connect a roof water downspout to a Foundation Drain.
18. FOUNDATION DRAINS/SUMP PUMPS
No person shall discharge a Foundation Drain or other piping system which collects Stormwater
or groundwater to a Sanitary Sewer.
Existing connections of Foundation Drains shall be removed from the Sewage Works.
The Foundation Drain flow from a property shall be discharged in the following manner:
Via a sump pump to a Storm Sewer by means of a Stormwater Building Drain; or
Via a sump pump to the ground surface, provided that the discharge does not create
continually wet ground conditions and/or does not create any adverse effect upon
adjacent properties or municipal sidewalks or roads; or
Via a sump pump to a dry well system, provided that appropriate soil and groundwater
testing is completed to establish the suitability of using a dry well system.
Where a sump pump is required by the engineering design, it shall be installed within the
property's basement in accordance with the Building Code and be maintained by the
Owner of the property at their expense.
19. SEWAGE BACKFLOW PREVENTION
If in the opinion of the Manager or Chief Building Official, an existing Building is likely to
experience, or has experienced, Sewage backup due to a storm event, the Township may require
the installation of an approved Backflow Prevention Device.
Backflow Prevention Devices shall be of a design approved by the Township and installed as
prescribed by the Ontario Building Code, Part 7.
Backflow Prevention Devices shall be installed and readily accessible for inspection and
maintenance.
Backflow Prevention Devices shall be maintained in good working order and protected from
freezing by the Owner, at their expense.
20. SWIMMING POOLS, HOT TUBS, SPAS OR WADING POOLS
A Person is permitted to discharge Wastewater from a swimming pool, hot tub/spa, wading pool,
or cover either:
by way of a controlled discharge to the Owner's property such that the discharge is
contained on the Owner's property until it evaporates or infiltrates into the ground; or
by way of a temporary or permanent connection to the Private Sanitary Lateral on the
Owner's property where the volume to be discharged and flow-rate has been provided to
the Township
All water discharged from a swimming pool, hot tub/spa, wading pool, or cover entering onto
Township property shall be free of all chemical additives used for routine pool maintenance.
21. SPILLS
Any Person who discharges or causes or permits the direct or indirect discharge of any substance
to the Sewage Works, Drainage Works, or to the Natural Environment from or out of a structure,
vehicle or other container which is abnormal in quantity or quality in light of all the circumstances
of the discharge shall immediately notify:
-
the Ministry of Environment Spills Action Center at 1 866 663 8477;
-
911 emergency, if there is an immediate danger to human health or safety;
-
the Township; and
-
any Person whom the Person reporting knows or ought to know may be directly affected
by the discharge.
By-Law 2025-55
Page 15 of 21
The Person responsible for a Spill, or the Person having the charge, management, and control of
the Spill, shall provide a detailed report on the Spill to the Township within five (5) working days
after the Spill, containing the following information to the best of their knowledge:
-
location where Spill occurred;
-
name and telephone number of the Person who reported the Spill and the location and
time where they can be contacted;
-
date and time of Spill;
-
material spilled;
-
characteristics and composition of material spilled;
-
volume of material spilled;
-
duration of Spill event;
-
work completed and any work still in progress in the mitigation of the Spill;
-
preventive actions being taken to ensure a similar Spill does not occur again; and
-
copies of applicable Spill prevention and Spill response plans.
21.1.
Every Person responsible for a Spill and every Person having the charge,
management and control of the Spill shall do everything reasonably possible to contain
the Spill, protect the health and safety of citizens, minimize damage to property, protect
the Natural Environment, clean up the Spill and contaminated residue, and restore the
affected area to its condition prior to the Spill.
Nothing in this By-law relieves any Person from complying with any notification or reporting
provisions of:
-
other government agencies, including federal and provincial agencies; or
-
any other by-law of the Township.
The Township may invoice the Person responsible for the Spill for all reasonable costs and
expenses incurred with respect to time, materials and services arising as a result of the Spill.
22. DISCONNECTION OF SEWER
Where Wastewater which:
is hazardous or creates an immediate danger to any Person;
endangers or interferes with the operation of the Sewage Works or Drainage Works; or
causes, or is capable of causing, an adverse effect;
is discharged to a Sanitary Sewer or Storm Sewer, the Township may, in addition to any
other remedy available, disconnect, plug or seal off the discharge of unacceptable
Wastewater into the Sanitary Sewer or Storm Sewer or take such other action as is
necessary to prevent such Wastewater from entering the system.
Wastewater may be prevented from being discharged into the Sewage Works or
Drainage Works until evidence satisfactory to the Officer has been produced to assure
that no further discharge of hazardous Wastewater will occur.
Where the Officer takes action pursuant to subsection 1 of this section, they may, by
notice in writing, advise the Owner of the premises from which the Wastewater was being
discharged of the cost of taking such action and the Owner shall forthwith reimburse the
Township for all such costs which were incurred.
23. PROTECTION OF THE SEWAGE WORKS AND DRAINAGE WORKS
No Person, except an employee of, or agent of, or contractor engaged by the Township, shall
uncover, make any connection to or opening into, use, alter, or disturb the Sewage Works or
Drainage Works without first obtaining the approval of the Township.
No Person shall enter any Sewage Works or Drainage Works unless specifically authorized by
the Township.
No Person shall break, damage, destroy, deface, remove or tamper, or cause or permit the
breaking, damaging, destroying, defacing, removal or tampering of:
-
any part of the Sewage Works or Drainage Works, including any maintenance hole cover,
grate, cap; or
-
any permanent or temporary device installed in the Sewage Works or Drainage Works for
the purposes of flow measuring, sampling and testing of Wastewater, Uncontaminated
By-Law 2025-55
Page 16 of 21
Water or Stormwater.
No Person shall conceal, interfere with, construct or maintain, or cause or permit to be concealed
or interfered with or constructed or maintained, anything that has the effect of concealing or
interfering with access to a municipal or private maintenance hole, Interceptor, Catch Basin, or
Sewer lateral inspection tee.
An abutting Owner or agent acting on behalf of such Owner may without approval enter a drainage
ditch of the Drainage Works for the purpose of clearing the ditch of growth or debris, or to clear
an obstruction or blockage. Such cleaning or clearing shall not alter the invert of the ditch.
Upon the provision of reasonable notice permitted by the requirement or circumstance, the
Township may temporarily restrict the use of the Sewage Works or Drainage Works, including the
temporary shut-off of water from the Township supply system, from time to time as necessary, to
carry out inspections, cleaning, maintenance, repairs, Service Connection, modifications,
replacement, relocation, or rehabilitation to any part of the Sewage Works or Drainage Works.
24. ENFORCEMENT AND ORDERS
An Officer or other duly authorized employees or agents of the Township, displaying or producing
proper identification and accompanied by any person under his or her direction, may enter upon
and inspect any land to ensure compliance with this By-law or a direction or order made under
this By-law.
If an Officer is satisfied that a contravention of this By-law or a permit has occurred, they may
make an order requiring the person who contravened the By-law , or who has caused or permitted
the contravention, or the Owner of a premises on which the contravention occurred, to discontinue
the contravening activity.
An order may be served on an Owner by:
handing it to the Owner;
handing it to an apparently adult Person on the Owner's property;
posting it in a conspicuous place upon some part of the Owner's property and by sending
a copy by regular mail; or
sending it by prepaid registered mail to the Owner at the address where the Owner
resides or the Owner's head/registered office address.
If an order is served by regular mail or registered mail, the service shall be deemed to have been
made on the 5th day after the date of mailing.
An order shall set out:
reasonable particulars of the contravention adequate to identify the contravention;
the work to be completed; and
the date by which the work must be completed.
Where an Owner fails to comply with an order issued under this By-law within the time specified
for compliance, the Officer, with such assistance by others as may be required, may take steps
to bring the property into compliance with any section of this By-law.
Where the Township, its employees or authorized agents, or contractors have performed work
required to bring a property into compliance with this By-law, all expenses incurred by the
Township in doing the work as well as any related fees, shall be deemed to be a debt to the
Township and may be collected by action or the cost may be added to the tax roll for the property
and collected in the same manner as municipal taxes.
No Person shall obstruct the Officer or any municipal employee or agent authorized to carry out
work for the Township required to bring a property into compliance with this By-law.
25. PENALTIES
Every Person who contravenes any provision of this Bylaw is guilty of an offence pursuant to
Section 425 of the Municipal Act, 2001, S.O. 2001 c.25, as amended, and pursuant to Section
429, all contraventions of this Bylaw are designated as continuing offences.
Every Person who is convicted of an offence is liable to a maximum fine of $50,000 for the first
offence and $100,000 for a subsequent offence.
In addition to the fine amounts set out in subsection (2) of this section for each day or part of a
day that an offence continues, the minimum fine shall be $500 and a maximum fine shall not
exceed $10,000 per day or part of a day.
By-Law 2025-55
Page 17 of 21
Every Person who, by act, offence, default, neglect or omission, occasions any loss, cost, damage
or injury to the Sewage Works or Drainage Works, or any part or Appurtenance thereof, is liable
to the Township for any and all financial losses and costs incurred as a result.
26. GENERAL PROVISIONS
This By-law shall be not be interpreted to permit anything which by the provision of any applicable
federal or provincial Act or Regulation is prohibited.
Where there is a conflict between the provisions of this By-law and the provisions of a federal or
provincial Act or Regulation, the provisions of the applicable Act or Regulation are to prevail.
Should a Court of competent jurisdiction declare a part or a whole of any provision of this By-law
to be invalid, or of no force or effect, the provision is deemed severable from this By-law, and it is
the intention of Council that the remainder survive and be applied and enforced in accordance
with its terms to the extent possible under the law.
All Schedules attached hereto form part of this By-law.
27. REPEAL
This By-law hereby repeals and replaces By-laws No. 73-30 & 73-57.
READ a first and second time in Open Council this 29th day of September, 2025.
READ a third time and finally passed in Open Council this 29th day of September, 2025.
Original signed by
Mayor
Original signed by
Clerk
By-Law 2025-55
Page 18 of 21
THE CORPORATION OF THE TOWNSHIP OF
WILMOT BY-LAW NO. 2025-55
SCHEDULE 'A' TO BYLAW 2025-55: SEWER USE
Set Fines for Offences
Item
Short Form Wording
Provision
Defining
Offence
Set Fine
$
Failure to submit a maintenance, operations, and inspection program
for Private Sewage Collection System
100
Failure to submit private facility performance details
100
Discharge, deposit, or cause or permit the discharge or deposit of
Matter which may become a health or safety hazard to a Township
employee or be harmful to the Sewage Works
600
Discharge, deposit, or cause or permit the discharge or deposit of
Matter which may cause an offensive odour to emanate from the
Sewage Works
600
Discharge, deposit, or cause or permit the discharge or deposit of
Stormwater, water from drainage of roofs or land, water from a
Watercourse, or Uncontaminated Water to the Sewage Works
600
Discharge, deposit, or cause or permit the discharge or deposit of water
that has originated from a source separate from the water distribution
system of the Township to the Sewage Works
600
Discharge, deposit, or cause or permit the discharge or deposit of
Matter which may discolour Sewage Works effluent
400
Discharge, deposit, or cause or permit the discharge or deposit of
sewage containing Hauled Sewage or Waste Disposal Site Leachate
400
Discharge, deposit, or cause or permit the discharge or deposit of
Wastewater containing a concentration in excess of the limits in Table
5-1 of this bylaw.
600
Discharge, deposit, or cause or permit the discharge or deposit of
Matter into the Drainage Works which may result in a hazard to any
person, animal, property or vegetation
600
Discharge or deposit of Wastewater into the Sewage Works or
Drainage Works where water has been added to the discharge for the
purposes of dilution to achieve compliance with Table 5-1 of this By-
law
600
Failure to ensure that oil and grease are prevented from entering the
Sanitary Sewer in excess of the prescribed limits
300
Failure to ensure that oil and grease Interceptors do not discharge to
Storm Sewers
300
Failure to install, operate or properly maintain an oil and grease
interceptor
100
Failure to ensure a building permit is obtained prior to installation of an
oil and grease interceptor
100
Failure to keep proof of interceptor clean-out for two years
100
Discharge of emulsifiers to sewage works
100
Use of enzymes, bacteria, solvents, hot water, or other agents to
facilitate the passage of oil and grease through a grease interceptor
100
Failure to ensure motor oil and lubricating grease are prevented from
passing into the Sanitary Sewer in excess of the prescribed limits
300
Failure to ensure sediment is prevented from entering the drain or
Sewer in excess of prescribed limits
100
By-Law 2025-55
Page 19 of 21
Failure to maintain sediment interceptors in accordance with
manufacturer's recommendations
100
Failure to keep proof of sediment interceptor clean-out and disposal for
2 years
100
Failure to provide sediment interceptor maintenance schedule or
record of maintenance upon request
100
Installation or operation of a domestic food grinding device which
discharges to a Sewer
100
Failure to appropriately store Matter which may threaten the natural
environment or Township's water supply
600
Discharge of Wastewater from a swimming pool, hot tub/spa, or wading
pool in a manner other than which is approved under this By-law
100
Discharge of Wastewater from a saltwater swimming pool, hot tub/spa,
or wading pool in a manner other than which is approved under this By-
law
100
Failure to undertake flow monitoring of New Developments (Site Plan)
5,000
Failure to undertake flow monitoring of New Developments
(Subdivision)
500/lot
Failure to remediate the new development system as stipulated by the
Manager and in accordance with this bylaw
5,000
Failure to notify the Township of a Spill
400
Failure to provide a detailed spill report to the Township within 5 days
of Spill
300
Failure to clean up a Spill and restore affected area to its previous
condition
600
Failure to install or maintain in good repair a Monitoring Access Point
for each connection to the Sewage Works
300
Failure to ensure Monitoring Access Point is accessible to Township
staff
300
Unauthorized entry to sewage works
750
Uncover, connect to, open, use, alter or disturb Sewage Works or
Drainage Works without approval of General Manager
750
Break, damage, destroy, deface, remove or tamper with any part of
Sewage Works or Drainage Works
750
Break, damage, destroy, deface, remove or tamper with any permanent
or temporary device installed in Sewage Works or Drainage Works
750
Obstructing an Environmental Protection Officer from carrying out work
for the Township under the By-law
750
By-Law 2025-55
Page 20 of 21
THE CORPORATION OF THE TOWNSHIP OF
WILMOT BY-LAW NO. 2025-55
SCHEDULE "B"
Sewer Use Restricted Parameters
Per By-Law Number 21-036, The Regional Municipality of Waterloo
A By-law to Govern and Regulate the Discharge of Water and Wastewater into the
Sanitary and Storm Systems in The Regional Municipality of Waterloo
Matter
Concentration Limit
(mg/L, except as noted)
Applies to total of
dissolved and particulate
Maximum Temperature (°C)
60
pH (unitless)
6 - 10.5
Solvent Extractable Matter (mineral or
synthetic origin)
15
Solvent Extractable Matter (animal or
vegetable origin)
100
Carbonaceous Biological Oxygen
Demand (CBOD)
300
Total Suspended Solids (TSS)
350
Phosphorus (P)
10
Total Kjeldahl Nitrogen (TKN)
100
Sulphides (H2S)
1
Phenolic compounds
1
Chlorides (Cl)
1500
Cyanide (CN)
2
Sulphates (SO4)
1500
Fluoride (F)
10
Metals
Aluminum (Al)
50
Antimony (Sb)
5
Arsenic (As)
1
Bismuth (Bi)
5
Cadmium (Cd)
0.5
Chromium (Cr)
2.8
Cobalt (Co)
5
Copper (Cu)
2
Iron (Fe)
50
Lead (Pb)
1
Manganese (Mn)
5
Mercury (Hg)
0.05
Molybdenum (Mo)
5
Nickel (Ni)
2
Selenium (Se)
1
Silver (Ag)
5
Tin (Sn)
5
Titanium (Ti)
5
Vanadium (V)
5
Zinc (Zn)
3
Organic Parameters
Benzene
0.01
Chloroform / Trichloromethane
0.04
1,2-Dichlorobenzene
0.05
1,4-Dichlorobenzene
0.08
cis-1,2-Dichloroethylene, cis-1,2-DCE
4
Dichloromethane / Methylene chloride
2
trans-1,3-Dichloropropylene
0.14
By-Law 2025-55
Page 21 of 21
Matter
Concentration Limit
(mg/L, except as noted)
Applies to total of
dissolved and particulate
Ethyl benzene
0.16
Nitrosodimethylamine- continuous
discharge single analysis maximum
0.0004
Nitrosodimethylamine - batch
discharge maximum
0.0002
Nitrosodimethylamine - continuous
discharge maximum of any five
consecutive analysis
0.0002
PCBs / Chlorobiphenyls
0.004
1,1,2,2-Tetrachloroethane
1.4
Tetrachloroethylene, PCE
1.0
Toluene
0.27
Trichloroethylene, TCE
0.4
Xylenes (Total)
1.4