Sludge Watch ==> Denver Firm Accused of Dumping Toxic Waste into Sewers
maureen.reilly at sympatico.ca
maureen.reilly at sympatico.ca
Tue Aug 8 08:09:52 EDT 2006
Sludgewatch Admin
This is a story about a plating company in Colorado discharging high levels
of metals into the sewers.
It is followed by a story on sewer use by-laws in Ontario. Note that the
allowed levels of metals discharged into the sewer is much much higher in
the US than in Toronto.
For instance Toronto allow discharge of 2 ppm copper , 2 ppm zinc
In this story the discharge limit in Denver is 6.1 copper, and 15.6 zinc
But then again, with a concentration-based limit, there is no limit to the
actual amount of metal or other contaminant discharged..just the dilution of
the contaminant. Toronto has very high levels of metals in its sludge. The
copper level is 1,100 ppm, and has remained more or less the same despite
the sewer use bylaw. Some of the levels of heavy metals in Toronto sludge
have decreased. However, the levels of cobalt, mercury, and selenium are
higher in 2005 than they were before the sewer use bylaw was enacted in
1996...the year land application began.
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Rocky Mountain News
Denver, CO
August 7, 2006
Denver firm accused of dumping toxic waste
Ivan Moreno, Rocky Mountain News
Environmental regulators are cracking down on a Denver company accused of
dumping excessive amounts of toxic metals into the sewage system.
The alleged pollution, spanning two years, potentially could contaminate
material used as fertilizer as well as water released into the South Platte
River.
In one case, the amount of toxins released by the company, Alert Polishing
and Plating Works Inc., was 33 times the legal limit, according to a search
warrant affidavit filed last month by an investigator with the U.S.
Environmental Protection Agency.
A Metro Wastewater Reclamation District official called the case one of the
worst he's seen in the state.
"I've been at Metro for 15 years, and to the best of my knowledge, this is
only the third time that we've accompanied the EPA on a sealed search
warrant visit," said Steve Frank, Metro spokesman.
The other two cases resulted in jail time for some of the companies'
employees, Frank said.
Alert Polishing and Plating Works, 345 Santa Fe Drive, does custom polishing
and plating of antique motorized vehicle parts.
Chris Willbanks, supervisor for the company, called any excessive discharges
"definitely accidental."
But a Metro official said the company's behavior indicates a deliberate and
willful attempt to save money by not disposing of its waste properly.
"Apparently, we still have industries that are looking at ways to cut
corners," said Eugene Jamsac, supervisor of the Metro pre-treatment unit.
While experts say the discharges don't pose an immediate danger to public
health, if they continue, they could pol-lute the South Platte River and
contaminate wastewater that is treated and turned into biosolids to be used
as fertilizer.
The EPA began investigating Alert in September 2004 after Metro received an
anonymous complaint. The tipster alleged that Alert was discharging muriatic
acid into the sanitary sewer system, according to the affidavit filed in
Denver District Court by Jennifer Youngberg, an EPA criminal investigator.
After Metro inspected the company's facilities, they installed a sampler in
the sewer system to monitor the dis-charge downstream.
Alert's permit, issued by Metro and Denver, allows the company to discharge
copper, chromium, cyanide, lead, nickel and zinc, provided the discharge
levels don't exceed the legal limit.
However, according to the affidavit:
* The levels measured in October 2004, then again a year later, were higher
than those allowed for every chemical on the list.
* The amounts ranged from five times to 33 times the limit.
* Copper exceeded the legal limits the most, reaching levels in October 2004
of 200 parts per million. The limit is 6.1 ppm.
* Zinc was present at 20 times the limit with readings of 300 ppm. The law
allows 15.6 ppm.
"That basically indicates to me that they're not only exceeding the limit,
they're blowing the lid off the limit," Jam-sac said.
But Willbanks, 47, said any discharges that exceeded the legal limit were
unintentional.
"We definitely don't blatantly dump stuff down the drain," he said.
Asked whether the investigation caught him by surprise, he said: "Of course
it did. We've been in business 37 years. We've had minor, minor violations."
The company's attorney, John Tatum, said his clients have hired an
independent environmental consulting firm to look into their waste disposal
procedures.
"We take these things very seriously and want to make sure that they're in
compliance as soon as possible, if they're not at the present time," Tatum
said.
In general, companies such as Alert use rinse tanks to reduce the
concentration of toxic metals before discharging them into the sewage
system, Frank said.
A company that doesn't do that or take the waste to a licensed disposal
facility can save significant amounts of money, Jamsac said.
But the pollution has costs.
Some of the metals are known to kill micro-organisms that help during the
wastewater treatment process.
"What to us is waste, to (the micro-organisms) is a food source," Frank
said.
If the micro-organisms die, "they're not going to be doing their job, and
we'll be discharging polluted water into the South Platte River," Frank
said.
Sewage water also can be used as a fertilizer after it's treated and
transformed into biosolids.
"If the lead was in the biosolids at limits above what we can accept, then
it can get into the soil and from there in can get absorbed into the
plants," Frank said.
Although Metro officials don't think any metals from Alert have reached the
South Platte River or gone into biosolids, Jamsac said the potential is
there and the danger is high.
"We've been fortunate that nothing has happened," he said.
INFOBOX
Over the limit
A sampling of measured results of metals discharged into the sewage system
by Alert Polishing and Plating Works Inc. All numbers are parts per million.
Pollutant Results measured Allowable maximum Date
* Copper 200 6.1 Oct. 5, 2004
* Cyanide 31 5 Oct. 5, 2004
* Nickel 99.8 5.6 Oct. 6, 2004
* Zinc 78.6 15.6 Oct. 5, 2004
* Copper 36.7 6.1 Oct. 25, 2005
* Lead 34.9 2.2 Oct. 25, 2005
* Nickel 32.6 5.6 Oct. 25, 2005
* Zinc 300 15.6 Oct. 25, 2005
Source: Metro Wastewater Reclamation District
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http://www.citizensenvironmentalliance.org/pdf/Regulating%20Water%20Pollution%20At%20the%20Municipal%20Level.pdf?
Format is much better if you go to the link above.
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Page 1
Regulating Water Pollution in Ontarios Municipalities
Windsors Sewer Use By-law
Prepared by Derek Coronado
Under Ontarios Municipal Act, municipalities have the power to pass sewer
use by-laws. The by-laws allow municipalities to regulate discharge of
pollutants into the sewersystem. Many urban centers in the province have
enacted a sewer-use bylaw. However, there is significant variation in the
requirements of each bylaw.1The limits placed on pollutants in the sewer use
by-laws were largely based upon a model sewer use by-law provided by the
Ontario Ministry of the Environment (MOE). The most recent version of the
model by-law was completed in 1998 and was produced to assist municipalities
to develop local sewer use by-laws. Although the MOE committed to update its
model, the ministry has not fulfilled its commitment. Municipalities have
looked to each others by-laws as a means of updating sewer use by-laws. In
1993, the City of Windsor adopted By-law 11446 a sewer use by-law. At the
time, the Citizens Environment Alliance noted several deficiencies in the
by-law. Morethan ten years have passed including 2003, the United Nations
Year of Freshwater, yet the by-law has not been revised. Below is a
comparative analysis of the limits on pollutants, pollution prevention and
enforcement and monitoring of sewer-use by-laws in the province.2This report
is not a comprehensive study of Ontarios regulatory requirements for
protection of water quality.However, we hope that this analysis will assist
in improving Windsors sewer use by-lawand ultimately reduce water pollution
in the Detroit River basin. Pollutant LimitsConcentration limits are the
core of municipal sewer use-bylaws. Both Toronto and Kingston have adopted
stringent limits that exceed the recommendations in the MOE model by-law.
Windsors by-law allows greater levels of many pollutants and does not set
standards for several of the pollutants identified in the Kingston and
Toronto by-laws. The table below lists the acceptable concentration of
selected chemicals that the by-lawallows to be released legally into the
sewer system. 1The provincial government does not require municipalities to
implement sewer use by-laws. As of 2000, just over half of Ontarios
municipalities had sewer use by-laws. 2Much of the basis of this report and
some of the details came from Whats in your Sewers? A Citizens
Introduction to Municipal Sewer Use By-laws in Ontario, H2infO The Water
Information Network,August 2003.
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Page 2
2Sewer Use By-law Discharge Limits* for a Select Group of Common
Contaminants (figures in mg/L)Pollutant Toronto Kingston Windsor MOE
Arsenic 1 1 1 1
Benzene 0.01 0.01 No limit°0.01
Bis phthalate 0.012 0.012 No limit°No limit°
BOD 300 300 400 300
Cadmium 0.7 0.7 2 0.7
Chromium Total 4 4 5 5
Copper 2 2 5 3
Fluoride 10 10 10 10
Hexachlorobenzene0.0001 0.0001 No limit°No limit°
Lead 1 1 5 2 Mercury0.01 0.01 0.1 0.05 Nickel 2 2 5 3
Nonylphenol ethoxylates 0.02 0.01 No limit°No limit°
Oil/Grease Organic 150 150 120 150
Phosphorus 10 10 30 10
Suspended Solids 350 350 500 350
Trichloroethylene 0.4 0.07 No limit°0.07
Zinc 2 2 5 3
* Limits for sanitary and combined sewers.
°Specific limit is not listed in the bylaw.
General limit may apply as a result of provincial objectives/guidelines.
Monitoring and Enforcement Municipal pollution control staffs are primarily
responsible for monitoring and enforcingsewer use by-laws. Staff may visit
facilities periodically to monitor pollutants beingreleased into the sewer
system. If a facility fails to meet the limits for a specificpollutant,
usually a municipality will advise implementation of voluntary abatement
methods to bring the facility into compliance with the by-law. Most
municipalities attempt to work together with the polluter to ensure that
pollutant releases are within theprescribed limits within a given timeline.
These arrangements are often referred to asconsent accords or compliance
agreements. However, municipalities in Ontario can levy fines for violating
sewer use by-laws. Fines generally range from $5,000 to $100,000 per
violation. Municipalities rarely resort to fines, preferring instead to rely
on compliance agreements.
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Page 3
3Chronic polluters and a municipality may make arrangements whereby the
polluter pays aset fee or rate based upon the quantities of pollutants in
excess of the limit. These over-strength agreements also exempt the
polluter from being charged. If a municipality fails to sufficiently control
what is discharged through the sewer system then it may be prosecuted.
Wastewater treatment plants operate under Certificates of Approval (C of A)
issued by the MOE. If the conditions of the C of A are violated then a
prosecution could take place under the Ontario Water Resources Act.Pollution
PreventionAmongst the hierarchy of environmental protection activities,
pollution prevention is atthe top and other practices such as pollution
control, remediation and disposal below. Pollution prevention is the most
effective practice to avoid the creation of waste and pollution and its
dispersal into the environment. The City of Toronto is the only municipality
in the province that requires dischargers to prepare and submit pollution
prevention plans. Other municipalities, at best, had arequirement for a
waste survey and had some form of pollution prevention educational
programming.
In Toronto each facility must submit to the City a complete list of
pollutants that it releases and provide detailed plans for reducing the
amount of pollutants it generates and discharges into the sewer system.
Failure to submit a plan is an offence, but failure to comply with the plan
is not. The plan is viewed as a powerful educational tool and as evidence of
due diligence in meeting the enforceable discharge limits of the by-law. The
importance of pollution prevention strategies has yet to be recognized by
other municipalities. Indeed, the Ministry of the Environments model by-law
does not refer to enforcing pollution prevention planning. Mercury is
considered to be one of the most toxic pollutants discharged into the
Canadian environment.
In the Great Lakes basin, mercury is considered a pollutant of significant
concern. The Detroit River Area of Concern, designated through the
Canada-United States Great Lakes Water Quality Agreement, has been inundated
by mercurycontamination over the years and mercury continues to be
discharged into the river system from a variety of sources, including
municipal sewer systems. In the United States, the Association of
Metropolitan Sewerage Agencies evaluated seven major municipal wastewater
treatment plants to determine and quantify sources of mercury coming into
these facilities. Dental uses were identified as the greatest contributors
to the mercury load3and the largest source by far when compared toaverage
contributions from the other sources
4, at all the plants. The dental uses
3Association of Metropolitan Sewerage Agencies, Mercury Source Control &
Pollution Prevention Program Evaluation Final Report, (July 2002), p.26.
4Ibid. p.27.
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Page 4
4accounted for almost 40% of the load, on average, more than three times the
next largest source.5The City of Torontos by-law requires dentists to
install amalgam separators in their sinks to capture amalgam for disposal at
a hazardous waste facility instead of entering the citys sewer system. The
by-law also requires dentists to prepare and submit pollution prevention
plans for reducing mercury waste. All dentists in Toronto must meet the
strict discharge limit for mercury of 0.01 mg/L. Within the first eight
months of Torontos sewer use by-law coming into effect, mercurylevels
flowing in the citys sewers fell between 40% and 68%. In Environment
Canadas 2002 National Pollutant Release Inventory Report (NPRI), the City
of Windsors Lou Romano Plant reported that 10.5 kg of mercury (and its
compounds) were discharged into the Detroit River.6The facility projected
similarreleases for the next several years. Mercury once released into water
bodies can be converted to a far more toxic form called methyl mercury,
which bio-accumulates in fish that may ultimately be consumed by humans.
Few other Canadian municipalities have followed Torontos lead by requiring
dentalamalgam separators through a sewer use by-law. Windsor does not
require the use of dental amalgam separators and the Ministry of the
Environments model bylaw does not require dental amalgam separators.
Another pollutant of concern listed in the 2002 NPRI report of the Lou
Romano and Little River plants was lead (and its compounds). The report
shows that, combined, the facilities released more than 1,837 kg of lead.
The facilities reported that large quantities of this persistent toxic
substance would be released in future years. Lead is extremelypersistent in
water and when humans are exposed to lead it can result in damage to the
brain, nervous system and various internal organs such as kidneys.
Significant quantities of arsenic and cadmium are also released from
Windsors pollution control plants.
The suggested limits in the MOE guidelines, even when adhered to
bymunicipalities, may not be sufficient to reduce inputs of harmful
substances into waterways. For example, Windsors arsenic limit adheres to
the MOE guideline, yet almost 600 kg were released from Windsors pollution
control plants, according to the 2002 NPRI. 5Ibid. 6For mercury and many of
the other persistent toxic compounds at both plants, the NPRI report listed
significant quantities of these substances in sewage sludge residue.
Contaminated sewage sludge that isapplied to land is also a water quality
concern throughout Ontario and the Great Lakes basin.
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Page 5
5Provincial Role
Provincial governments have not enacted policies and requirements around
sewer uses sufficient to protect Ontarios streams, rives and lakes. The
Ontario Municipal Act, while allowing municipalities to enact sewer use
by-laws, does not require a consistent seweruse by-law amongst all
municipalities. The result is a patchwork of rules across theprovince and
many municipalities have no sewer use restrictions whatsoever. The
provincial government has not implemented several policy commitments,
includingthe Municipal Industrial Strategy for Abatement (MISA) and the
Canada Ontario Agreement Respecting the Great Lakes Basin Ecosystem (COA).
Both the MISA and COA directly address the volume and toxicity of pollutants
discharged into receivingwaters through municipal treatment facilities. The
MISA was originally announced in 1988. The MOE proposed that some
municipalities would be required to implement and enforce a sewer use
control program. The MOE also proposed a comprehensive sewer charge and
over-strength surcharge system, the development of a mandatory certification
program for municipal sewer use inspectors, and pollution prevention
initiatives. Partly as a result of budget cutbacks, themunicipal component
of MISA was not implemented.
In March 2002, after much delay, the provincial government signed a new
five-year COA with the federal government. By this agreement, the Ontario
government committed to anumber of actions, including: to provide
municipalities with technical and/or financial help in pollution prevention
and control planning in Areas of Concern; influence reduction in discharges
from MISA sectors, and examine and implement new policies and regulations to
manage industrial discharges not currently captured under MISA, and; develop
best practice guidance documents to help municipalities identify and
reducesources of harmful pollutants and other contaminants discharged into
sewers. The MOE has also committed to implementing recommendation #32 from
the Walkerton Inquiry Report, which states, the provincial government
should support major wastewater plant operators in collaborative studies
aimed at identifying practical methods of reducing or removing heavy metals
and priority organics (such as endocrine disruptors) that are not removed by
conventional treatment.7The Environmental Commissioner of Ontario has noted
these issues in his annual report and provided further details about sewer
use by-laws in Ontario.87The Honourable Dennis R. OConnor, Report of the
Walkerton Inquiry, Part Two, (2002).8Environmental Commissioner of Ontario,
Choosing Our Legacy, 2003-2004 Annual Report, (2004), p.37, 39.
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Page 6
6Conclusion and Recommendations Regulating water pollution at the municipal
level involves more than one level of government in Ontario. Yet few
governments have taken the lead in controlling and reducing pollution from
Ontarios sewer systems.Municipal, provincial and federal governments have
not abided by several commitments made to control and reduce water pollution
in the Great Lakes basin. Among the fundamental commitments is one contained
in the Great Lakes Water Quality Agreement, specifically, to virtually
eliminate the input of persistent toxic substances through a philosophy of
zero discharge. The discharge of these substances continues and is
widespread throughout the basin, as revealed, partially, in the 2002 NPRI
report. Several actions need to be taken by governments in order to reduce
and ultimatelyprevent harm to our streams, rives and lakes caused by the
continual discharge of toxic pollutants through Ontarios sewer systems,
including:
1. The provincial government should enact the municipal component of the
MISA program with an addition to include consistent standards for sewer use
control in all municipalities in the province.
2. The provincial government should move to immediately implement
recommendation #32 from the Walkerton Inquiry report.
3. The provincial and federal governments should move quickly to implement
the provisions of the COA related to municipal pollution prevention and
control planning. 4. The provincial government should implement a
requirement for all sewagetreatment plants in the province of Ontario to
virtually eliminate the discharge ofpersistent toxic substances as intended
in Annex 12 of the Great Lakes Water Quality Agreement.5. The City of
Windsor should revise its sewer use by-law to reflect current environmental
standards (up-to-date research), including specific pollutant concentration
limits for all toxic substances, and a requirement for industrial,
commercial and institutional users to submit pollution prevention plans and
abideby the plans, in accordance with the previous recommendations. 6. All
current standards, requirements, objectives, guidelines and commitments
(including those noted above) should be enacted and rigorously enforced by
the appropriate government agencies, including municipalities, the MOE and
Environment Canada. 7. Complete annual reports on standards fulfillment and
enforcement action regarding municipal sewer uses should be readily
available to the public through the Internet.
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