Tottenham, Ontario's Municipal Drinking Water

Wellington Water Watchers has been accepted as a project by the Small Change Fund. (See here for more details). If you make a donation of $250 or more to the Small Change Fund on behalf of the Wellington Water Watchers you support our work to protect water AND you will receive a charitable tax receipt.

Your donation will help with the following:  

Expert Toxicology, Epidemiology, Hydrogeology and Water Filtration Opinion on health risks of THMs in Tottenham drinking water: Tottenham’s drinking water has had high levels of THMs (trihalomethanes) for eleven of the past fifteen years. (THMs are a disinfection by-product formed when chlorine is used to disinfect drinking water containing natural organic matter. Some studies present viable hypotheses for health effects such as cancer and increased reproductive risk concerns.) Iron levels continue to be 2.5 the maximum allowable. Excess Iron creates Iron Bacteria, Biofilm, which harbours and can assist in the colonization of bacteria and viruses such as Legionellosis and Pneumoniae. Our raw water is said to have high levels of Bromide, Methane and Ammonia. And high levels of Chlorine have been used to attempt to deal with the high levels of organic matter in our wells.

Residents of Tottenham, part of the Town of New Tecumseth, have been forced to advocate for the last four years to have the Town Council to take this problem seriously. The Town Council has failed to come up with a plan to ensure clean safe drinking water for Tottenham residents.

Wellington Water Watchers is working with residents group Tottenham Water and environmental lawyer David Donnelly to make the Town of New Tecumseth address the root causes of the THM contamination.

An important step in preparing the legal strategy to hold the Town Council accountable is to have an independent opinion from a toxicologist on the potential health risks of residents’ exposure to THMs.

We have retained this expert and the fee for an initial assessment is $5,000.

Your donation now of $250 or more will help us pay for this expert opinion and earn you a charitable tax receipt. 

For all donations, please note in some manner that funds are for

“Tottenham Water”.

If you prefer to write a cheque for more than $250 to make your donation then make the cheque payable to Small Change Fund and mail to Wellington Water Watchers, 42 Carden St. Guelph, N1H 3A2.

You can make a donation now of less than $250 here. 

Support the Clean Water Now campaign in Tottenham.


Mike Balkwill

Campaign Director


Tottenham Water Inc., Canada 

Tottenham’s drinking water contains excessive levels of Iron, Iron Bacteria, Chlorine and Trihalomethanes. (Chloroform and Bromodichloromethane, two types of Trihalomethanes, are Carcinogens). For 11 years, the Trihalomethane levels in Tottenham’s drinking water were above the maximum acceptable limit (according to The Ontario Safe Drinking Water Act of 2002 ).  And currently, recording of running annual averages of trihalomethanes are not expressed correctly and give the illusion that the water is currently in compliance.  Iron levels have always been between two and three times the maximum allowable limit. These limits and The Ontario Safe Drinking Water Act of 2002, were established as a direct result of the Walkerton tragedy.

Government Response to Excessive Levels of Trihalomethanes in Tottenham’s Municipal Drinking Water:

Despite levels of Trihalomethanes and iron in drinking water that exceed provincial standards, the Town of New Tecumseth, Simcoe-Muskoka Public Health or The Ministry of the Environment, Conservative and Parks never informed residents in any meaningful or comprehensible way.

In response to concerns raised by Tottenham Water and residents of Tottenham at the

April 2, 2019 public meeting regarding our municipal water, the Town of New Tecumseth decided to install an Aeration System to reduce Trihalomethane levels in Tottenham’s drinking water, despite having been advised by RV Anderson Consulting that it would not be effective in reducing brominated trihalomethanes.  Tottenham's drinking water contains mostly brominated trihalomethanes.


The Town of New Tecumseth also claims that a pipeline from Beeton to Tottenham will be completed by 2022. At that time, Collingwood water, mixed with Alliston well water will be sent to Tottenham to be mixed with our well water, if it is connected.

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