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The Corporation of The Town of Ajax
By-Law 80-2025
Being a By-law to regulate the quality of the storm water entering the Town's storm
sewer infrastructure and ensure that the storm water does not impair the quality of the
water in any well, lake, river, pond, spring, stream, reservoir, artificial watercourse,
intermittent watercourse, ground water or other water or watercourse.
Whereas, pursuant to the Municipal Act, 2001, S.O. 2001, c. 25, as amended a
municipality may regulate with respect to the collection of stormwater and other drainage
from land;
And Whereas, pursuant to the Ontario Water Resources Act, R.S.O. 1990, c. 0.40 every
person that discharges or causes or permits the discharge of any material of any kind into
or in any waters or on any shore or bank thereof or into or in any place that may impair
the quality of the water of any well, lake, river, pond, spring, stream, reservoir, artificial
watercourse, intermittent watercourse, ground water or other water or watercourse, is
guilty of an offence;
And Whereas, the Council of The Corporation of the Town of Ajax deems it necessary to
regulate the discharge of matter to municipal and private storm sewer systems to protect
the storm sewer collection system from undue deterioration, damage and obstruction, to
protect water quality by preventing the discharge of harmful substances to municipal and
private storm sewer systems, and to protect human health and the environment from
adverse effects;
Therefore, it is enacted as a By-law of the Corporation of the Town of Ajax as follows:
1. Short Title
1.1.
This By-law may be cited as the "Storm Sewer Use By-law."
2. Definitions
2.1.
In this By-law:
a) "Biochemical Oxygen Demand (BOD)" means the 5-day biochemical oxygen
demand which is the determination of the molecular oxygen utilized during a 5-day
incubation period for the biochemical degradation of organic materials
(carbonaceous demand), and the oxygen used to oxidize inorganic material such
as sulphides and ferrous iron, and the amount of oxygen used to oxidize reduced
forms of nitrogen (nitrogenous demand);
b) "biomedical waste" means biomedical waste as defined in the Ontario Ministry of
the Environment Guideline C-4 entitled "The Management of Biomedical Waste in
Ontario" , as amended from time to time;
c) "blowdown water" means recirculating water that is discharged from a cooling or
heating water system for the purpose of controlling the level of water in the system
or for the purpose of discharging from the system materials contained in the
system, the further build-up of which would or might impair the operation of the
system;
d) "catch basin" is a part of a storm drainage system or storm sewer that is designed
to capture runoff;
e) "combustible liquid" means a liquid that has a flash point at or above 37.8 degrees
Celsius and below 93.3 degrees Celsius;
f) "composite sample" means a sample made up of 3 or more grab samples that have
been combined automatically or manually and taken at intervals during the
sampling period;
g) "contact cooling water" means water that is used in a process of removing heat and
has direct contact with any raw material, intermediate product, waste product, or
finished product, but does not include blowdown water;
h) "Council" means the elected Council of The Corporation of the Town of Ajax;
i) "Director" means the Director of Operations and Environmental Services, Director
of Planning and Development, their designates, or an authorized representative,
for the Town as the case may be;
j) "discharge" when used as a verb, includes add, deposit, leak, or emit and when used
as a noun, includes addition, deposit, leak or emission;
k) "drain or connection" means that part or those parts of any pipe or system of pipes
leading directly to a storm sewer;
l) "EPA" means the Environmental Protection Act, R.S.O. 1990, c. E. 19;
m) "expense" means the cost of carrying out the work to done and an administrative
charge as outlined in the Town of Ajax Fee By-law;
n) "fuel" means alcohol, gasoline, naphtha, diesel fuel, fuel oil or any other ignitable
substance intended for use as fuel;
o) "grab sample" means a sample of stormwater, sewage or effluent of at least 100
millilitres which is collected over a period not exceeding 15 minutes;
p) "ground water" means water beneath the earth's surface accumulating as a result
of seepage;
q) "hauled sewage" means any waste, transported by vehicle, that was removed from
a cesspool, a septic tank system, a privy vault or privy pit, a chemical toilet, a
portable toilet, or a sewage holding tank within the meaning of O. Reg. 347, as
amended;
r) "hauled waste" means any industrial waste, other than hauled sewage, that is
transported to and deposited into any location in the storm sewer works or into a
location where it could enter the storm sewer works;
s) "hazardous waste" means any:
a. hazardous industrial waste;
b. acute hazardous waste chemical;
c. hazardous waste chemical;
d. severely toxic waste;
e. ignitable waste;
f. corrosive waste;
g. reactive waste;
h. radioactive waste, except radioisotope wastes disposed of in a landfilling
site in accordance with the written instructions of the Canadian Nuclear
Safety Commission;
i. pathological waste;
j. leachate toxic waste; or
k. PCB waste.
as defined in O. Reg. 347, as amended;
t) "industrial" means of or pertaining to manufacturing, commerce, trade, business, or
institutions as distinguished from domestic or residential;
u) "industrial user" means the owner of industrial premises from which there is a
discharge of any matter directly or indirectly into a storm sewer;
v) "Inspector" includes a Municipal Law Enforcement Officer and the Director, or any
person appointed by the Director to conduct an inspection of behalf of the Town;
w) "land drainage works" means any works of any sort for the drainage of land
including drainage channels for receiving water in its natural flow on or from any
hills or other lands, and works diverting or damming the same to prevent its
overflow on to any other lands at a lower level, as well as drainage channels for
carrying off water from any land;
x) "monitoring manhole" means an access point in a sewer connection to allow for
observation, sampling and flow measurement of the sewage, uncontaminated
water or stormwater therein;
y) "matter" includes solid, liquid or gas;
z) "municipal sewer connection" means any part of any drain leading from the private
storm sewer connection connected to a storm sewer and located within the limits
of the public road allowance or other public lands or public land interests held for
sewerage purposes;
aa) "nuclear substance" means uranium, thorium, plutonium, neptunium, deuterium,
tritium, their respective derivatives and compounds and such other substances as
the Canadian Nuclear Safety Commission may by regulation designate as being
capable of releasing atomic energy or as being requisite for the production, use or
application of atomic energy;
bb) "O.Reg. 347" means R.R.O. 1990, Regulation 347 (General-Waste Management)
made under the EPA;
cc) "Oil, Grease and Sediment Interceptors" OGS, is a water quality treatment unit
designed to prevent oil, grease, sediment, grit and other matter from passing from
a source into a storm sewer;
dd) "Order" means a formal directive issued by an Inspector to correct or prevent
violations of this By-law pursuant to Section 12 under this By-law;
ee) "Occupier or Occupant" means any person who is in control or possession of any
property;
ff) "owner" means the person or persons registered as the owner of a subject property
in the most recent municipal tax records and/or in accordance with the records of
the land registry office;
gg) PCBs" includes any monochlorinated or polychlorinated biphenyl or any mixture
of them or mixture that contains one or more of them;
hh) "person" includes an individual, association, partnership, corporation, company,
municipality, or an heir, executor, administrator, agent, employee or other legal
representative of such person;
ii) "pesticide" means a pesticide regulated under the Pesticides Act, R.S.O. 1990,
c.P.11;
jj) "pollution prevention" means the use of processes, practices, materials, products or
energy that avoid or minimize the creation of pollutants and wastes, at the source;
kk) "private sewer connection" means that part of any drain or system of drains,
including drains or subsurface drainage pipes for surface or subsurface drainage
of the land in or adjacent to a building, lying within the limits of the private lands
and leading to a municipal storm sewer connection;
ll) "Region" means the Regional Municipality of Durham;
mm) "sewage" means any liquid waste containing animal, vegetable, mineral or
chemical matter in solution or in suspension but does not include stormwater or
uncontaminated water;
nn) "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;
oo) "spill" means a direct or indirect discharge into a storm sewer works, storm sewer
or the natural environment which is abnormal in quantity or quality in light of all the
circumstances of the discharge;
pp) "Spills Action Centre" means the 24-hour Spills Action Centre of the Ontario
Ministry of the Environment, Conservation and Parks
qq) "Standard Methods" means a procedure or method set out in Standard Methods
for the Examination of Water and Wastewater published jointly by the American
Public Health Association, American Water Works Association and the Water
Environment Federation;
rr) "storm sewer works" means any works belonging to or operated by the Town or
Region for the collection, transmission, treatment, or disposal of stormwater or
uncontaminated water, including a storm sewer, or any part of such works, but
does not include plumbing or other works to which the Building Code Act, 1992,
S.O. 1992, c.23 applies;
ss) "storm sewer" means a sewer, pipe, conduit, drain, open channel or ditch for the
collection and transmission of uncontaminated water, stormwater, drainage from
land or from a watercourse or any combination thereof;
tt) "stormwater" means water from rainfall, other natural precipitation, drainage or from
the melting of snow or ice;
uu) "stormwater management facility" means any wetland, wet pond, dry pond, rain
garden, OGS unit, infiltration gallery, or any physical structure designed to control
stormwater;
vv) "subsurface drainage pipe" means a pipe that is installed underground to intercept
and convey subsurface water, and includes foundation drainpipes;
ww) "Town" means The Corporation of the Town of Ajax;
xx) "uncontaminated water" means potable water as supplied by the Region or any
other water to which no matter has been added as a consequence of its use;
yy) "waste disposal site leachate" means a liquid containing dissolved or suspended
contaminates which emanates from waste and is produced by water percolating
through waste or by liquid in waste; and
zz) "watercourse" means an open channel, ditch, or depression either natural or
artificial, in which flow of water occurs either continuously or intermittently.
3. Storm Sewer Requirements
3.1.
No person shall discharge or cause or permit the discharge or deposit of matter
into a catch basin, storm sewer, stormwater management facility, watercourse,
municipal sewer connection or private sewer connection to any storm sewer that:
a) damages a storm sewer;
b) interferes with the proper operation of a storm sewer;
c) obstructs or restricts a storm sewer or the flow therein;
d) results in any hazard or other adverse impact to human health or the environment;
e) impairs the quality of the water in any well, lake, river, pond, spring, stream,
reservoir or other watercourse;
f) contravenes or results in the contravention of approvals made under the authority
of the Environmental Protection Act, R.S.O., 1990 c. E. 19, as amended, Ontario
Water Resources Act R.S.O., 1990 c. O. 40, as amended and the Environmental
Bill of Rights and issued under Part II.1 of the Environmental Protection Act
(Environmental Compliance Approvals and Certificates of Approval);
g) contravenes or results in a contravention of the Fisheries Act R.S.O. 1985, c. F-14
with respect to the storm sewer and/or its discharge from the storm sewer into a
watercourse;
h) contains substances in exceedance of those identified in Table 1 of Schedule A.
3.2.
No person shall discharge or cause or permit the discharge into a storm sewer,
watercourse, municipal sewer connection or private sewer connection to any storm
sewer matter that has one or more of the following characteristics:
a) matter containing two or more separate layers;
b) matter having a pH less than 6.0 or greater than 9.0;
c) matter which causes a visible film, sheen or discolouration;
d) matter at a temperature greater than 40 degrees Celsius;
e) matter having or causing an offensive or nuisance odour.
3.3.
No person shall discharge or cause or permit the discharge into a storm sewer,
watercourse, municipal sewer connection or private sewer connection to any storm
sewer any matter that contains:
a) biomedical waste;
b) blowdown water;
c) contact cooling water;
d) combustible liquids;
e) floating debris;
f) fuel;
g) hauled sewage;
h) hauled waste;
i) hazardous waste;
j) nuclear substance;
k) oil and grease;
l) paints and organic solvents;
m) PCBs;
n) pesticides;
o) sewage;
p) waste disposal site leachate;
q) contain Escherichia (E.) coli colonies in excess of 200 per 100 ml;
r) ashes;
s) pet waste;
t) a substance, from raw materials, intermediate or final products, used or produced
in, through or from an industrial process;
u) A concentration of substances that exceeds one or more of the limits specified in
Table 1 - Limits for Storm Sewer Discharge, as outlined in 'Schedule A' of this By-
law.
3.4.
Owners shall ensure that appropriate and necessary practices, such as obtaining
a Sediment and Erosion Control Permit, are undertaken to prevent the discharge of
suspended solids (total) in excess of 15 mg/l as a result of activities on their property;
including:
a) construction activities that may result in erosion or sediment runoff from the
property; and,
b) outside storage activities that may result in the mobilization of stored materials as
a result of rain or runoff from the property, including sand and granular material
storage.
3.5.
An Owner may be required, upon receipt of a notice from the Director, to complete
one or more of the following activities as stated in the notice addressing stormwater
from the Owner's site:
a) a study on stormwater quality and/or quantity justifying the status quo and in so
doing conclusively demonstrating that the stormwater runoff from the site in
question will not result in the discharge of matter from the site that is in sufficient
quantity and concentration so as to cause adverse effect to the storm sewer
system, human health or the environment;
b) modification and/or construction of stormwater facilities so as to ensure the
avoidance of an adverse effect to the storm sewer system, human health or the
environment as a consequence of the functioning of the stormwater facilities;
c) adoption and implementation of pollution prevention techniques and measures to
ensure the avoidance of an adverse effect to the storm sewer system, human
health, or the environment as a consequence of the stormwater facilities;
d) any other requirement specified by the Town.
3.6.
Where a person or an Owner fails to comply with Section 3.1, 3.2, 3.3, 3.4 or 3.5,
an Inspector may make an Order directing the person or Owner, within 10 days of the
issuance of the Order, or within such other time as may be set out in the Order, to take
steps as are necessary to comply as outlined in the Order. If such person or Owner
fails to comply with the Order, The Town may perform such work as necessary at the
person's or Owner's expense and may recover the cost incurred in doing such work
in the same manner as municipal taxes.
4. Prohibition of Dilution
4.1.
No person shall discharge directly or indirectly or deposit or cause or permit the
discharge or deposit of any matter into a municipal or private storm sewer in
circumstances where water has been added to the discharge for the purposes of
dilution to achieve compliance with this By-law.
5. Oil, Grease and Sediment Interceptors
5.1.
Every Owner of a premises from which oils, greases or sediment may directly or
indirectly enter a storm sewer, including but not limited to a premises using ramp or
area drains, and car and vehicle washing establishments, shall take all necessary
measures to ensure that such oils, greases or sediment is prevented from entering
the drain or storm sewer at a concentration that may result in an adverse effect to
human health or the environment.
5.2.
Where installed, all grease, oil, sediment interceptors, and any other type of storm
water quality control device, shall be maintained by the owner, at the owner's expense,
in good working order. The Owner shall produce maintenance records for the
preceding 18-month period upon the request of the Inspector. An Inspector shall have
the right to enter upon the premises at any time to inspect the operation and
maintenance of an interceptor or any other type of storm water quality control device.
5.3.
If inspection records are not provided within 30 days, the Town will arrange an
inspection of the OGS unit and charge the property owner or occupier for the
inspection and applicable administrative fees. If maintenance, cleaning, or
rehabilitation is required, the owner will be ordered to complete the work. Failure to
comply within 30 days will allow the Town to complete the work using a contractor and
recover all costs, including administrative fees, from the owner.
6. Compliance Program
6.1.
An industrial user may submit to the Director a proposed compliance program
setting out activities to be undertaken by the industrial user that would result in the
prevention or reduction and control of the discharge or deposit of uncontaminated
water, ground water or storm water from the industry's premises to eliminate the
discharge of matter into municipal or private sewer connections or any storm sewer.
6.2.
Upon receipt of an application, the Director may issue an approval for a compliance
program for an industrial discharge of an effluent that does not comply with Table 1 of
Schedule A, such approval to be in accordance with guidelines therefore adopted by
the Town from time to time. Peer review of the proposed compliance program shall
be at the sole discretion of the Director and at the cost of the industrial user. The
industrial user shall be entitled to make non-complying discharges in the amount and
only to the extent set out in the Director's approval during the planning, design and
construction or installation of facilities or works needed to implement the approved
compliance program.
6.3.
Every proposed compliance program shall be for a specific length of time during
which treatment facilities are to be installed and shall be specific as to the remedial
actions to be implemented by the industrial user, the dates of commencement and
completion of the activity and the materials or other characteristics of the matter to
which the compliance program relates. The final activity completion date shall not be
later than the final compliance date in the compliance program.
6.4.
The industrial user to which a compliance program has been issued shall submit
a compliance program progress report to the Director within 30 days after the
scheduled completion date of each activity listed in the compliance program.
6.5.
The Director may terminate any compliance program by written notice at any time
to the industrial user in the event that the industrial user fails or neglects to carry out
or pursue the activities required of it under its approved compliance program.
7. Sampling and Analysis
7.1.
Where a sample is required for the purpose of determining the characteristics or
contents of the water or stormwater pursuant to the By-law, a single sample shall be
deemed sufficient. The sample may be a grab sample or a composite sample, may
contain additives for its preservation and may be collected manually or by using an
automatic sampling device.
7.2.
Except as otherwise specifically provided for in this By-law, all tests,
measurements, analyses and examinations of uncontaminated water and stormwater,
shall be carried out in accordance with Standard Methods.
7.3.
For each of the metals whose concentration is limited pursuant to Table 1 of
Schedule A of this By-law, the analysis shall be for the quantity of total metal, which
includes all metal both dissolved and particulate.
8. Spills
8.1.
In the event of a spill, the person who causes or permits the spill or the person
having the charge, management and control of the spill shall:
a) immediately notify the Town's Fire and Emergency Services Department and the
Region and provide any information with regard to the spill that is requested; and
b) do everything reasonably possible to contain the spill, protect the health and safety
of residents, minimize property damage and protect the environment;
c) contact the Spills Action Centre to provide the details of the spill and the initial
response.
8.2.
At the request of the Town, the owner shall provide a report, within five (5) days of
the spill, containing the following information:
a) location where the spill occurred;
b) name and phone number of the person who reported the spill and the location
where they can be contacted;
c) date and time of the spill;
d) material spilled;
e) characteristics of the material spilled;
f) volume of the material spilled;
g) duration of the spill event;
h) work completed and any work still in progress in the mitigation of the spill; and
i) preventive actions being taken to ensure a similar spill does not occur again.
8.3.
The owner and any person responsible for the spill and any person having the
charge, management and control of the spill shall clean up the spill and any associated
residue and restore the affected area to its condition prior to the spill.
8.4.
Where any person fails or neglects to carry out or pursue the activities required by
this By-law, the Town may take such measures as it deems appropriate to contain the
spill, protect the health and safety of residents, minimize damage to property, protect
the environment, clean up the spill and any associated residue, and restore the
affected area to its condition prior to the spill.
8.5.
The owner and any person responsible for the spill shall be liable for all costs
associated with the response to and clean up and restoration of the spill affected area
to its condition prior to the spill, including any damage to the municipal storm sewer
system as a result of the discharge or spill.
8.6.
The costs incurred by the Town with respect to response to, clean up and
restoration of a spill affected area may be recovered from the owner of the land in the
same manner as municipal taxes.
9. Pollution Prevention Plans
9.1.
The Town may require an industrial user to develop a pollution prevention plan for
the discharge of any parameter designated by the Town where the industrial user has:
a) failed to comply with Storm Sewer Requirements;
b) failed to comply with a compliance program;
c) been responsible for one or more spills to a storm sewer works or a land drainage
works.
9.2.
Pollution prevention plans shall comply with any guidelines established by the
Town.
9.3.
The pollution prevention plan shall be completed by the industrial user and
available for review by the Town at the site of the industrial user with 18 months of
notification by the Town.
10. Monitoring Manholes
10.1. Any Owner of a commercial, institutional or industrial premises, or multi-residential
buildings with one or more connections to the storm sewer works may be required to
install and maintain in good repair in each connection a suitable monitoring manhole
to allow observation, sampling and flow measurement of storm water therein, provided
that where installation of a monitoring manhole is not possible, an alternate device or
facility may be substituted with the prior written approval of the Director.
10.2. Any monitoring manhole or alternate device shall be located on the owner's
property, 1.5 m from the property line or street line, in accordance with Town
standards.
10.3. No person shall structurally modify any monitoring manhole or alternate device or
install devices which may result in interfering with the Town's access, or the
installation and observation of the Town's devices used for the purpose of observation,
sampling and flow measurement of the stormwater without prior consent of the
Director.
11. Confidential Information
11.1. All information submitted to and collected by the Town will, except as otherwise
provided in this section, be available for disclosure to the public in accordance with
the Municipal Freedom of Information and Protection of Privacy Act.
11.2. In the event that any person is submitting information to the Town or to the Director
in any form, as required under this By-law, where such information is confidential or
proprietary or otherwise may be exempt from the disclosure under the Municipal
Freedom of Information and Protection of Privacy Act, the person submitting the
information shall so identify that information upon submission to the Town and shall
provide sufficient details as to the reason for its purported exemption from disclosure.
12. Enforcement
12.1. An Inspector may, at any time, enter any property or premises to inspect, observe,
measure, test, and sample the discharge to a municipal storm sewer works or a private
storm sewer system.
12.2. An Inspector may require production of any documents pertaining to a spill or
discharge including but not limited to: Environmental Compliance Approvals (ECAs),
Certificates of Approval (COA), Compliance Programs, Hazardous Materials
Manifests, Maintenance and Inspection Logs, Material Safety Data Sheets (MSDS),
Provincial Officer's Orders (POO), Spill Reports, and past Action Requests and
Notices of Contravention issued by the Town.
12.3. An Inspector who finds a contravention of this By-law may make an Order directing
compliance and may require the Order to be carried out immediately or within such
time as specified in the Order.
12.4. An Inspector may order an owner or any person who contravenes this By-law:
a) to conduct a monitoring study of the stormwater quality and/or quantity the nature
of which may be specified by the Town;
b) to carry out modifications and/or constructions of stormwater management
facilities;
c) to adopt and implement pollution prevention techniques and measures;
d) to provide a satisfactory Pollution Prevention Plan;
e) to perform maintenance or rehabilitation of privately owned stormwater
infrastructure; and
f) to do any other requirement to prevent contravention to the By-law.
12.5. Where written notification has been issued by the Director to any person
discharging to a municipal storm sewer works, the person shall carry out all activities
as required by the Director and provide the results to the Town in accordance with
written notification from the Director.
12.6. Unless specifically authorized by the Director, no person shall enter any municipal
storm sewer works.
12.7. No person shall break, damage, destroy, deface, alter or tamper with any part of a
municipal storm sewer works or any device whether permanently or temporarily
installed in a municipal storm sewer works for the purpose of measuring, sampling
and testing any matter.
12.8. Any person who obstructs an Inspector or who otherwise obstructs the provisions
of this By-law is guilty of an offence under this By-law.
12.9. Any person who knowingly provides false information in any report or return
required under this By-law or who withholds information required under this By-law, is
guilty of an Offence under this By-law.
12.10. No person shall connect to any Town storm sewer without first obtaining approval
from the Town.
13. Offences
13.1. Any person who fails to comply with an Order issued under this By-law, or who
contravenes any provision of this By-law is guilty of an offence and upon conviction is
liable to a fine or penalty for each offence, exclusive of costs as prescribed by the
Provincial Offences Act, R.S.O. 1990, c. P. 33.
13.2. In addition to any other remedy or penalty imposed by this By-law where matter is
being discharged into a municipal storm sewer works in violation of this By-law the
Director may:
a) at the cost of the owner of the said lands and premises, sever the connection for
the lands and premises from which the matter is being discharged, on 30 days
notice; and
b) refuse the reconnection of the said lands and premises to the municipal storm
sewer works by the owner until authorized by the Director and the Town has been
paid the cost of disconnecting the sewer, and other outstanding costs.
13.3. Where in this By-law any person is required to do any matter or thing, in default of
it being done by the person so directed or required to do it, the matter or thing may be
done by the Town, at the expense of the owner of the property, and such expenses
may be recovered in the same manner as municipal taxes.
13.4. If a court of competent jurisdiction should declare any section or part of a section
of this By-law to be invalid, such a section or part of a section shall not be construed
as having persuaded or influenced Council to pass the remainder of this By-law and
it is hereby declared that the remainder of the By-law shall be valid and shall remain
in force.
14. Repeal
14.1. Ajax By-law Number 38-2018 is hereby repealed.
By-law passed this October 20, 2025
______________________________
Mayor and CEO
______________________________
Clerk
The Corporation of The Town Of Ajax
By-Law Number 80-2025
"Schedule A"
Table 1 - Limits for Storm Sewer Discharge
Matter
Limit
Biochemical oxygen demand
15 mg/L
Cyanide (total)
20 µg/L
Phenolics
8 µg/L
Phosphorus
400 µg/L
Suspended Solids (total)
15 mg/L
Arsenic (total)
20 µg/L
Cadmium (total)
8 µg/L
Chromium (total)
80 µg/L
Chromium (hexavalent)
40 µg/L
Copper (total)
50 µg/L
Lead (total)
120 µg/L
Manganese (total)
150 µg/L
Nickel (total)
80 µg/L
Selenium (total)
20 µg/L
Silver (total)
120 µg/L
Zinc (total)
40 µg/L
Benzene
2 µg/L
Chloroform
2 µg/L
1,2-dichlorobenzene
5.6 µg/L
1,4-dichlorobenzene
6.8 µg/L
Cis-1,2-dichloroethylene
5.6 µg/L
Mercury (total)
.04 µg/L
Total Kjeldahl Nitrogen
1 mg/L
Trans-1,3-dichloropropylene
5.6 µg/L
Ethyl benzene
2 µg/L
Methylene chloride
5.2 µg/L
1,1,2,2- tetrachloroethane
17 µg/L
Tetrachloroethylene
4.4 µg/L
Toluene
2 µg/L
Trichloroethylene
8 µg/L
Xylenes (total)
4.4 µg/L
Di-n-butyle phthalate
15 µg/L
Bis (2-ethylhexyl) phthalate
8.8 µg/L
Nonylphenols
1 µg/L
Nonyphenol ethoxylates
10 µg/L
Aldrin/dieldrin
0.08 µg/L
Chlordane
0.06 µg/L
DDT
0.04 µg/L
Hexachlorobenzene
0.04 µg/L
Mirex
40 µg/L
PCBs
0.4 µg/L
3,3'-dichlorobenzidine
0.8 µg/L
Hexachlorocyclohexane
40 µg/L
Pentachlorophenol
2 µg/L
Polycyclic Aromatic Hydrocarbons (total) 2 µg/L