Temporary equipment to be used to help deal wastewater treatment odours

Harry Sullivan
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TRURO - New equipment is being brought in to help deal with the noxious odours emanating from the wastewater treatment plant in Lower Truro.

"In the last little while the odours seem to be back, or there was a period there at least where they were back, as strong as ever," Colchester County Deputy Mayor Bill Masters said, to public works director Michelle Newell, during the last committee meeting of Colchester County council.

"If we are going to get into another routine hot summer with odours we are going to have issues (with residents' complaints)," he said. "Will this help with that situation?" Masters added of the new equipment.

"Ultimately this will resolve the situation," Newell said, of new centrifuge dewatering equipment designed to handle additional solids at the wastewater treatment facility.

Because of upgrades in recent years to the facility it is generating a higher volume of solids. There are also high-strength industrial effluents being released into the system, which when combined with low oxygen conditions and warm weather that result in "unpleasant odours at the plant and in the surrounding areas," a staff report said.

Council had earlier earmarked $2.6 million in this year's budget to deal with the issue.

So far, $58,000 has been spent on a detailed design of the required equipment and the county is in the process of purchasing the equipment from Noxon North America at a cost of $289,654.

Construction of that system is expected to begin in September but in the interim, Newell told council a mobile unit is being brought in to help deal with the odour issues. That equipment is expected to be operating in about a week's time.

"If the system works as it is supposed to there should be an improvement," Newell said, of the temporary equipment.

Residents had been assured in the past that the odour issue was being dealt with and while they have generally been "patient" with the municipality, but that can't be expected to continue if the stench isn't eliminated, Coun. Doug MacInnes suggested.

"We definitely have to do something to get this corrected," he said.

Newell said the county will also be working with the Town of Truro to begin precise monitoring of the types and volumes of industrial wastes that are being released into the sewer system in an effort to also reduce the odours.


Twitter: @tdnharry



Organizations: Colchester County council

Geographic location: Colchester County, Truro

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Recent comments

  • Water Patrol
    June 19, 2014 - 10:50

    the article says.... "high-strength industrial effluents".....municipal staff should be assessing what effluents are released into our sewers...at some point we need to protect our water and environment....many of those industrial effluents have complex hydrocarbon and Volatile Organic Compounds...they evaporate into the air on the way to the sewage plant into our town air and as the staff says they create hardship for the treatment plant....as we increase efforts to stop pollution society will use other processes that are now commercializing globally....the technology can and should be used to treat all industrial effluents onsite in holding tanks...we will process hydrogen which is very plentiful in these waste streams...the hydrogen will run fuel cells for power grids and transportation or delivered to some home and businesses fuel cells for distributed generation perhaps in combination with solar on the rooftops....the effluents can also recover carbon, nitrogen and sulphur for commercial use .....so there is economic benefit to deal with industrial effluents properly..it is called resource recovery and the other benefit is it will stop pollution in its tracks and save the taxpayer from sewage treatment plant malfunction.....plus we now deal with biosolids ...seage plants can be built to produce methane which we can then capture the hydrogen form for fuel cells.... ...fuel cells make no pollution emissions (only pure water and oxygen....we can aslo use equipment to extract the nutrients form seages while removing the heavy metals and toxins....then we should be using "plasma gasification" to literally melt any remaining sludge..and any other hazardous substances society generates at plasma plants that reach 5000 degrees celcius......inside these plants when all melts we can capture hydrogen again for the clean fuel to be processed by fuel cells .with no pollution.....think of all the jobs and all these sources will be the new refineries for hydrogen......there is a "clean technology industrial revolution" well under way....even though many politicians seem unable to grasp what technology developers have been building for us...this is what is happening globally...we can do this in Nova Scotia too but we need to elect leaders who are smart and who want to be responsible for our environment and our health.