Squamish, British Columbia
· No. 2474
· adopted 2016-12-20
· summary & facts
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District of Squamish
BYLAW NO. 2474, 2016
A bylaw to regulate Sanitary Sewer and
Storm Sewer Use in the District of Squamish
WHEREAS pursuant to Section 8(2) and 8(3) of the Community Charter, Council may
by bylaw regulate, prohibit and impose requirements in relation to municipal services;
AND WHEREAS public health and safety is enhanced by public sewer services, where
real property is capable of being served and is required by a bylaw of Council, then it shall
be served and connected;
NOW THEREFORE, Council of the District of Squamish, in Open Meeting Assembled,
enacts as follows:
Citation
1.1
This bylaw may be cited as "District of Squamish Sewer Use Bylaw 2474, 2016".
Interpretation:
2.1
In this Bylaw:
"Applicant" means a person who is applying for permission to connect to the
District of Squamish sewer works.
"Building Service Co
nnection" means the horizontal piping of a drainage system which receives and
conveys drainage or sewage from the building to the sanitary sewer or other place
of disposal.
"Council" means the Municipal Council of the District.
"Director" means the Director of Public Works for the District, or a person appointed
to act in the place of the Director.
"District" means the District of Squamish.
"Domestic waste" has the same meaning as in the Sewerage System Regulation
under the Public Health Act.
"Food service operation" means any operation where food is prepared or made
ready for eating and served to or consumed by clients or members of the public,
and without limitation, includes any such health or residential care facility.
"Food waste" means fruit and vegetables, meat, bones, coffee grounds and filters,
tea bags and leaves, eggshells, and similar compostable matter.
"Garburator" means a mechanical device that is connected to plumbing and shreds
food waste to reduce its particle size.
"Inspector" means a person appointed by the District to make inspections pursuant
to this Bylaw.
"Industrial waste" means the liquid waste produced by industrial activities that is
distinct in character from sanitary sewage originating from residential, commercial
and institutional development.
"Natural outlet" means any watercourse, pond, ditch, lake, or other body of surface
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or groundwater in which water flows or is held continuously or intermittently
"Non-domestic waste" means any waste other than domestic waste.
"Non-contact cooling water" means water used for cooling which does not come
into direct contact with any raw material, product, byproduct or waste.
"Permit" means the form of written authorization issued by the District allowing
the connection of a sewer line or the discharge of sewage, to the sanitary sewer.
Such form may be in any form approved by the Director.
"Person" means any individual, firm, company, association, society, corporation,
or group.
"pH" means the logarithm of the reciprocal of the weight of hydrogen ions in grams
per liter of solution.
"Pre-treatment" means application of physical, chemical or biological processes,
or any combination of these, to reduce the rate of discharge, or the amount or
nature of the contaminant properties in wastewater prior to discharging such
wastewater to the sanitary sewer.
"Private drainage system" means a privately owned assembly of pipes, fittings,
fixtures, traps and appurtenances that is used to convey uncontaminated water,
stormwater or groundwater to a sanitary sewer or storm sewer.
"Private sewage facility" means works that are privately owned that gathers,
treats, transports, stores, utilizes or discharges waste or sewage or wastewater
to a building service connection, sanitary sewer or sewer facility.
"Prohibited waste" means waste that is identified in Schedule "A" to this Bylaw.
"Recreational vehicle waste" means domestic waste accumulated in a holding
tank in a trailer, camper, transportable housing unit, bus or aircraft.
"Restricted waste" means waste that is identified in Schedule "B" to this Bylaw.
"Sanitary sewer" means a sewer which carries sewage and to which stormwater,
surface water, and groundwater are not intentionally admitted, and includes all
District sewer facilities for collection and pumping sewage.
"Septage" means the liquid and solid material pumped from a septic tank, cesspool
or other private sewage facility.
"Sewage" means a combination of the water-carried wastes from residential,
commercial and institutional development together with such ground, surface and
storm waters as may be present.
"Sewer" means a pipe or conduit for carrying water and water-carried wastes.
"Storm drain" or "Storm sewer" means a sewer which carries storm and surface
waters and drainage, but excludes sewage and industrial wastes, other than non-
contact cooling water.
"Vehicle or equipment wash operation" means the washing of the exterior of
vehicles or equipment by any commercial, industrial or institutional operation, for
waste that is other than restricted waste or prohibited waste.
"Wastewater" means the composite of water and water-carried wastes from
residential, commercial, industrial or institution premises or any other source.
"Wastewater treatment" means any arrangement of processes, devices and
structures used for treating sewage and disposing of the resultant effluent.
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2.2
Except as otherwise provided, this Bylaw is to be interpreted consistently with
Community Charter, the Environmental Management Act, other laws of British
Columbia, and other bylaws of the District, as applicable. Any reference to a
statute, regulation, bylaw or other enactment refers to that enactment as amended
or replaced from time to time. If any provision in this Bylaw is found to be invalid
by a court of competent jurisdiction, that provision is severed and the remainder of
the Bylaw continues to be valid.
Scope and Application of Regulations
3.1
This bylaw regulates the use of the sanitary and storm sewer system within the
District.
3.2
The provisions of this bylaw apply to all direct and indirect discharges to any part
of the District's sanitary and storm sewer system.
3.3
This bylaw regulates the quantity and quality of wastes that may be discharged to
the District's sanitary sewer system and the degree of pre-treatment required.
3.4
All applicable fees associated with this bylaw are charged in accordance with the
District of Squamish Fees and Charges Bylaw.
3.5
Nothing in this bylaw relieves any person or organization from complying with
any provision of any Federal or Provincial legislation or any other bylaw of the
District.
Use of Public Services Required
4.1
A person must not discharge to any natural outlet within the District, any sewage
or other wastewater, except where treatment has been provided in accordance
with applicable law.
4.2
Except as in accordance with an applicable bylaw or other enactment, a person
must not construct or operate any privy or outhouse, privy vault, septic tank,
cesspool, or other facility intended or used for the disposal of sewage.
4.3
The owner of any building or structure used for human residence, employment,
recreation, or other occupancy, abutting on any street, alley, or right-of-way in
which there is located a sanitary sewer of the District must, at the expense of the
owner, install toilet facilities, and must connect such facilities directly to the
District's sanitary sewer system in accordance with this Bylaw, within ninety (90)
days after written notice has been delivered to the owner to do so, except where
septic systems are permitted under the District's Zoning Bylaw.
4.4
A person applying to the District for a sewer connection or disconnection must
submit an application in a form approved by the Director, accompanied by
applicable fees as established in the Fees and Charges Bylaw.
a. On receiving a complete application for a connection to the District's sanitary
sewer, along with applicable fees, the Director will arrange to provide a
sanitary sewer service extension and connection from the main sewer line to
the applicant's property line at the cost stipulated in the Fees and Charges
Bylaw. If this extension requires a new manhole or pumping station
installation, the cost of the manhole and the pumping station shall be paid for
by the applicant.
Building Service Connection and Connections
5.1
A person must not uncover, make any connections or openings, use, alter, or
disturb any sanitary sewer or appurtenance without first obtaining authorization
from the Director.
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5.2
A person must not install within a residential dwelling any garburator or similar food
waste grinding devices that would result in the food waste discharging, directly or
indirectly, into the District's sanitary sewer after this Bylaw comes into force.
5.3
A person who owns or operates a food service operation commencing operation
after this Bylaw comes into force must not connect a garburator to plumbing that
leads to the sanitary sewer.
5.4
The property owner is responsible for any and all costs and expenses for and
incidental to the installation and connection of a building service connection on the
property. To install and connect the building service connection from the private
property to the District's sanitary sewer, the owner must pay applicable fees as
established in the Fees and Charges Bylaw.
5.5
A person must not make, cause or allow connection of any roof downspout,
exterior foundation drain, areaway drain, or other sources of surface runoff or
groundwater to a building service connection which in turn is connected directly or
indirectly to the District's sanitary sewer.
5.6
Existing building service connections may be used in connection with new
buildings only when they are found, on examination and testing approved by the
Inspector, to meet all requirements of this Bylaw.
5.7
The size, slope, alignment, materials of construction of a building service
connection, and the methods to be used in excavating, placing of the pipe, jointing,
testing, and backfilling the trench, must conform to the requirements of the BC
Building Code, including the Plumbing Code and the District of Squamish
Subdivision and Development Control Bylaw.
5.8
The connection of the building service connection into the sanitary sewer shall
conform to the requirements of the BC Building Code, including the Plumbing Code
and District of Squamish Subdivision and Development Control Bylaw. All such
connections shall be made gastight and watertight.
5.9
The applicant for the building service connection shall notify the Inspector when
the building service connection is ready for inspection and connection to the
sanitary sewer, and arrange for the connection to be made under the supervision
of the District.
5.10 The owner of a property being excavated for a building service connection
installation must ensure that:
a.
the excavation and property are adequately guarded so as to avoid
damaging other property or creating a nuisance;
b.
the public is safe from any hazard arising from the excavation or related
work; and
c.
any street, sidewalk, boulevard, parkway, and other public property that has
been damaged or disturbed in the course of the work is restored in a manner
satisfactory to the Director.
5.11 Every person who operates a private sewage facility or who directly or indirectly
discharges non-domestic waste into a sewer connected to a sewage facility
operated by the District shall, as a condition of that discharge:
a.
Provide and maintain pre-treatment as necessary to prevent a discharge
contrary to this Bylaw;
b.
Post, and keep posted, permanent signs in prominent locations on the
premises displaying the name, telephone number of the person to call in the
event of accidental discharge of a prohibited or restricted waste; and
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c.
Inform employees, who may cause or discover the discharge of prohibited
or restricted waste, of the notification procedures set out in this bylaw;
5.12 A person who owns or operates a food service operation must ensure that grease
and oil interceptors are installed and maintained in good working order so as to
prevent the discharge of grease and oil to the sanitary sewer system.
5.13 A person who owns or operates a vehicle repair and maintenance service, or a
vehicle or equipment wash operation, must ensure that grease, oil and sand
interceptors are installed and maintained in good working order so as to prevent
the discharge of grease, oil and sand to the sanitary sewer system.
5.14 A person who owns a property where grease, oil or sand interceptors are required
or installed must ensure that the interceptors are located upstream of the service
connection and are accessible for maintenance and inspection.
5.15 The owner or operator of any premises upon which a grease, oil or sand interceptor
is installed shall maintain the interceptor to manufacturer specifications and in a
good working condition at all times.
5.16 The owner or occupier of any premises upon which a grease, oil or sand interceptor
is installed must provide records of the interceptor's installation and maintenance
at the request of the Director.
5.17 The owner or occupier of any premises must ensure that the condition of the
building service connection between the building and the inspection chamber at
the property line functions adequately to convey wastewater to the sewer system
and is free from noticeable holes, cracks, faulty joints or other pipe issues that can
cause infiltration or exfiltration of water and water-carried wastes, and is otherwise
maintained in good working order.
5.18 If the waste generated on a parcel cannot be drained to the District's sanitary sewer
system by gravity, or if the sewer on the street is operating or may operate under
hydraulic head, the owner of the parcel may be granted a service connection
provided as a pre-condition of the service, the owner agrees:
a.
to register a restrictive covenant on title to the land in a form acceptable to
the District stipulating that the private sewage facility is governed by the
terms and conditions of an applicable enactment, this Bylaw and the District
of Squamish Building Bylaw and indemnifying the District against claims
arising due to failure of the private sewage facility;
b.
to pump the waste by means of a sewage pump unit designed by a
professional engineer and located on the owner's parcel in accordance with
the District of Squamish Subdivision and Development Control Bylaw; and
c.
to install the sewage pump unit and the associated forcemain in accordance
with an engineered design by a suitably qualified professional and approved
by the Director, and to operate and maintain them, all at the owner's
expense.
Discharge to Sanitary Sewers
6.1
A person must not discharge, or cause or allow to be discharged, any
stormwater, surface water, groundwater, roof runoff, subsurface drainage, non-
contact cooling water, or uncontaminated industrial process waters to any
sanitary sewer.
a.
If it appears to the Director that a connection has been made of any
stormwater, surface water, groundwater, roof runoff, subsurface drainage,
non-contact cooling water or uncontaminated industrial process waters to
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any building service connection or sanitary sewer, the Director may, by
written notice, require the property owner, within a reasonable period and
at the cost of the owner, to disconnect the stormwater, groundwater, roof
runoff or subsurface drainage from the building service connection or
sanitary sewer and reconnect it to a suitable location,
b.
An owner to whom a written notice under paragraph 6(a) is delivered must
comply with the requirement of the Director within the time period
specified.
6.2
A person must not discharge, or allow or cause to be discharged, into a private
sewage facility or a sewer connected to a sewage facility operated by the District,
any non-domestic waste, which has bypassed any pre-treatment required for
compliance with this Bylaw.
6.3
Without limiting subsection 6.2, a person must not, directly or indirectly,
discharge or allow or cause to be discharged into a sewer connected to a
sanitary sewer operated by the District:
a. Any prohibited waste, as identified in Schedule "A" to this bylaw;
b. Any restricted waste, as identified in Schedule "B" without pre-treatment
authorized in writing by the Director to prevent discharge contrary to this Bylaw;
c. Any non-domestic waste or waste from a private sewage facility without pre-
treatment authorized in writing by the Director to prevent discharge contrary to
this Bylaw;
d. Any non-contact cooling water or uncontaminated industrial process waters; or
e. Any discharge, including uncontaminated water, in a volume greater than 5.0
cubic meters per day without first obtaining written authorization by the Director.
6.4
A person must not, either directly or indirectly, discharge or cause or allow a
discharge of any wastewater or other waste from a vehicle or equipment wash
operation into a storm sewer or any other works not connected to a sewage
facility operated by the District.
6.5
If any waters or wastes are discharged, or are proposed to be discharged to the
District's sanitary sewer, which contain the substances or possess the
characteristics listed in Schedule "A" and Schedule "B", the Director may, by
written notice to the owner of the property from which the discharge occurs:
i.
Reject the wastes and direct that the sanitary sewer service be
discontinued;
ii.
Require pre-treatment to a condition that will bring the discharge to
the sanitary sewer into compliance with this Bylaw, the
Environmental Management Act or other applicable enactment;
iii.
Require payment to cover the cost incurred by the District for
disposal and treatment of the wastes as determined by the Director,
and included in the Fees and Charges Bylaw.
6.6
The owner shall be fully responsible for the cost of the design and installation of
any pre-treatment required under section 6.5.
6.7
All interceptors shall be certified by a qualified professional and approved by the
Director to be of a type and capacity to prevent discharge contrary to this Bylaw
and shall be located as to be readily and easily accessible for cleaning and
inspection.
6.8
Where pre-treatment is required for any wastewater, the owner must, at his own
expense, ensure the facilities are maintained in good working order.
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6.9
A person must not discharge trucked liquid waste other than at the District's
Wastewater Treatment Plant or a private sewage facility authorized by the
Director for such discharges.
6.10 Trucked waste shall be directed to the District's Wastewater Treatment Plant by
only those haulers holding a valid business licence issued by the District, in
accordance with the conditions and requirements of the Plant.
6.11 Every driver of a load of trucked waste to be discharged to the Wastewater
Treatment Plant must present to the District a completed load manifest for each
deposit. The manifest shall contain information on volume, waste type and waste
source.
6.12 When required by the Director, the owner of any property serviced by a building
service connection carrying restricted waste shall install a suitable control
manhole together with such necessary meters and other appurtenances in the
building service connection to facilitate observation, sampling, and measurement
of the wastes. Such manhole and appurtenances, when required, shall be
accessible and safely located, and shall be constructed in accordance with plans
prepared by a suitably qualified professional engineer and approved by the
Director. The manhole and appurtenances shall be installed by the owner at his
expense, and shall be maintained by the owner so as to be safe and accessible
at all times and in good working condition.
6.13 If it appears to the Director, through sampling and analysis, that the discharge to
the sanitary sewer system from a premises is in violation of this Bylaw, the
Director may, by notice in writing, direct the owner or occupier of the premises to
take steps to comply with the Bylaw, and may require the owner or occupier to
install monitoring equipment necessary to demonstrate compliance.
6.14 All measurements, tests, and analyses of the characteristics of waters and
wastes to which reference is made in this bylaw shall be:
i.
Determined in accordance with the latest edition of "Standard
Methods for the Examination of Water and Wastewater," published
by the American Public Health Association,
ii.
Determined by the appropriate sampling technique to suit the
configuration of the control manhole or the nearest downstream
manhole; and
iii.
Carried out by accepted methods to reflect the effect of constituents
upon the sanitary sewer or wastewater treatment facilities and to
determine the existence of hazards to life, health or property.
6.15 All tests, measurements, analyses and examinations of wastewater required to
demonstrate compliance with this bylaw, as determined by the Director from time
to time, shall be at the cost of the owner or occupier of the premises where a
discharge occurs when the discharge is proven to not comply with the bylaw, and
otherwise, shall be at the cost of the District.
Protection from Damage
7.1
A person must not break, damage, destroy, uncover, deface, or tamper with any
structure, appurtenance, or equipment which is part of the sanitary sewer unless
expressly authorized to do so under a permit, another bylaw, or an applicable
federal or provincial enactment.
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Powers and Authority of Inspectors and the Director
8.1
The Director, an Inspector, authorized employees of the District or a person
authorized by Council may, in accordance with section 16 of the Community
Charter, enter into any property or premise to:
a. inspect and determine whether the provisions of this Bylaw are being met;
b. fulfil a requirement if the person subject to the requirement fails to do so;
and
c. disconnect the building service connection from District sewer facilities due
to non-payment of fees or non-compliance with this Bylaw.
8.2
If the Director or an Inspector determines that any provision of this Bylaw is being
contravened, the Director or Inspector may direct the owner or occupier of the
property or premises to remedy the violation at the expense of the owner or
occupier. If the person so directed fails to carry out the remedial work as directed,
the Director may cause the District's sanitary sewer service to be discontinued until
the contravention is fully remedied to the satisfaction of the Director, and may
arrange for that work to be carried out by the District or an authorized contractor.
8.3
If work is carried out by District employees or a person authorized by Council to
disconnect or reconnect a service connection or to fulfill a requirement under
section 8.2, the owner of the property is responsible for any and all costs and
expenses incurred by the District in so doing; and the amount shown on an invoice
from the District becomes a debt owing by the owner to the District. Any amount
owing but not paid by December 31st may be collected by the District in the same
manner as for property taxes in arrears.
Enforcement
9.1
This Bylaw may be enforced by the Director, Utilities Supervisor or a Bylaw
Enforcement Officer.
9.2
This Bylaw may be enforced:
a.
by means of a ticket issued under the District's Municipal Ticket Information
System Bylaw No. 1832, 2004;
b.
by prosecution under the Offence Act;
c.
by way of a bylaw notice under the Bylaw Notice Enforcement Act and bylaw
of the District made under that Act; or
d.
by way of civil action as authorized by statute.
Contravention and Penalties
10.1
Any person who:
a. Contravenes, violates or fails to comply with any provision of this Bylaw;
b. Suffers or allows any act or thing to be done in contravention of the Bylaw; or
c. Fails or neglects to do anything required to be done under this Bylaw,
or of any permit or order issued under this Bylaw, commits an offence and upon
conviction, shall be liable to paying a fine of up to Ten Thousand Dollars ($10,000) and
to pay any further amounts that may be ordered under the Offence Act, and where the
offence is a continuing one, each day that the offence is continued shall constitute a
separate offence.
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Schedules
11.1 Schedules A and B are attached to and form part of this Bylaw.
Repeal
12.1 The District of Squamish Public and Private Sewer Usage Regulation Bylaw No.
401, 1972 and all amendments are repealed.
READ A FIRST, SECOND and THIRD time this 6th day of December, 2016.
ADOPTED this 20th day of December, 2016.
___________________________
Patricia Heintzman, Mayor
___________________________
Robin Arthurs, Corporate Officer
Page 10
Schedule "A"
Prohibited Waste
Prohibited waste means:
1.
Hazardous Waste
Hazardous waste as defined by the Environmental Management Act.
2.
Air Contaminant Waste
Any waste other than sanitary waste which, by itself or in combination with another
substance, is capable of creating, causing or introducing an air contaminant
outside any sewer or sewage facility or is capable of creating, causing or
introducing an air contaminant within any sewer or sewage facility which would
prevent safe entry by authorized personnel.
3.
Flammable or Explosive Waste
Any waste, which is capable of causing or contributing to an explosion or
supporting combustion in any sewer or sewage facility including, but not limited to
gasoline, benzene, naphtha, propane, diesel or other fuel oil, crankcase oil and
sludge resulting from the manufacture of acetylene.
4.
Waste Causing Obstruction or Interference
Any waste which is capable of obstructing the flow of or interfering with the
operation or performance of any sewer or sewage facility including, but not limited
to earth, concrete and cement based products, sand, gardening or agricultural
wastes, ash, chemicals, metal, glass, tar, asphalt, plastic, wood, fish or fowl,
solidified fat, paper, sanitary wipes, diapers and waste portions of animals.
5.
High Temperature Creating Waste
a)
Any waste which may create heat in amounts which will interfere with the
operation and maintenance of the sewer and sewage facility or with the
treatment of waste in a sewage facility;
b)
Any waste which will raise the temperature of waste entering any sewage
facility to 40 degrees Centigrade or more; and
c)
Any non-domestic waste with a temperature of 65 degrees Centigrade or
more.
6.
Corrosive Waste
Any waste with corrosive properties which may cause damage to any sewer or
sewage facility or which may prevent safe entry by authorized personnel.
7.
Pathogenic Waste
Any waste containing infectious material which may create a contaminant in the
sanitary sewer or sewage facility.
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Schedule "B"
Restricted Waste
Restricted waste means:
1.
Food Waste
Any non-domestic waste from cooking and handling of food that, at the point of
discharge into a sewer, contains particles larger than 0.5 centimetres in any
dimension.
2.
Radioactive Waste
Any waste that, at the point of discharge into a sewer, exceeds radioactivity
limitations established by the Atomic Energy Board of Canada from time to time.
3.
pH Waste
Any non-domestic waste which, at the point of discharge into a sewer, has a pH
lower than 5.5 or higher than 12.5 as determined by a grab sample.
4.
Trucked Waste
Any waste that is collected and transported off site by means other than discharge
to a sewer, including but not limited to septic tank waste, oil and grease from
interceptors, and other sludges of organic origin.
5.
Specified Waste
Any waste which, at the point of discharge into a sewer, contains any substance
at a concentration in excess of the levels set out in Tables A, B or C below. All
concentrations are expressed as total concentrations which include all forms of the
contaminant, combined or uncombined, whether dissolved or undissolved. The
concentration criteria apply to both grab samples and composite samples.
Definitions and methods of analysis for these substances are outlined in standard
methods.
Any non-domestic waste containing any of the substances listed below in Tables
A, B or C at dissolved concentrations in excess of the Special Waste Regulation
Leachate Quality Standards, Waste Management Act (as amended from time to
time), regardless of the sampling method used, shall qualify as a special waste.
Page 12
Table A - Conventional Contaminants
Contaminant
Maximum Concentration (mg/L)
Biochemical Oxygen Demand (BOD)
500
Chemical Oxygen Demand
1,000
Phosphorus
200
Suspended Solids
500
Total Kjeldahl Nitrogen
500
Total Oil and Grease1 (O&G - Total)
100
Total Suspended Solids (TSS)
500
Note: 1
Total Oil and Grease includes Oil and Grease (Hydrocarbons)
Table B - Organic Contaminants
Contaminant
Maximum Concentration (mg/L)
Oil and Grease (Hydrocarbon) (O&G -Hydrocarbon)
15
Phenols
1
Chlorophenols1
0.05
Polycyclic Aromatic Hydrocarbons2 (PAHs)
0.05
Benzene
0.1
Total BETX3
1
Notes:
1
Chlorophenols include:
tetrachlorophenol (2,3,4,5-, 2,3,4,6-, 2,3,5,6-)
pentachlorophenol
2
Polycyclic Aromatic Hydrocarbons (PAHs) include:
acenapthene
chrysene
acenaphthylene
dibenzo(a,h)anthracene
anthracene
fluoranthene
benzo(a)anthracene
fluorene
benzo(b)fluoranthene
naphthalene
benzo(k)fluoranthene
phenanthrene
benzo(g,h,i)perylene
pyrene
benzo(a)pyrene
indeno(1,2,3-c,d)pyrene
3
BETX includes:
benzene
ethylbenzene
toluene
xylene
4 "BOD" (denoting 5-day total Biochemical Oxygen Demand) shall mean the quantity of
oxygen utilized in the biochemical oxidation of organic matter under standard laboratory
procedure in five (5) days at 20o C, expressed in milligrams per litre (mg/L).
5
"Total Suspended Solids (TSS)" shall mean solids that either float on the surface of, or
are in suspension in water, sewage, or other liquids, and which are removable in
laboratory filtering, using a standard method for TSS analysis such as American Public
Health Association 2540.
Table C - Inorganic Contaminants
Contaminant
Maximum Concentration (mg/L)
Aluminum (Al)
50
Arsenic (As)
1.0
Boron (B)
50
Cadmium (Cd)
0.2
Chlorine (free) (Cl2)
5.0
Chromium (total) (Cr)
4.0
Cobalt (Co)
5.0
Copper (Cu)
2.0
Cyanide (CN-)
2.0
Iron (Fe)
10.0
Lead (Pb)
1.0
Manganese (Mn)
5.0
Mercury (Hg)
0.05
Molybdenum (Mo)
1.0
Nickel (Ni)
2.0
Selenium
1.0
Silver (Ag)
1.0
Sulphide (S2-)
3.0
Zinc (Zn)
3.0