USask study finds rubber tire chemicals impacting river through urban runoff

Researchers at the University of Saskatchewan’s School of Environment and Sustainability say they’ve undertaken the first study of its kind in Canada to determine...

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CCME issues soil, groundwater quality guidelines for PFOS

The Canadian Council of Ministers of the Environment (CCME) has published soil and groundwater quality guidelines for perfluoroalkyl substances, widely known as PFOS. The guidelines...

Saskatoon wastewater surveillance measures drugs, chemicals, dyes in WWTP and river

A research partnership between the University of Saskatchewan and the City of Saskatoon has identified recreational drugs and industrial chemicals in both Saskatoon’s Wastewater...
asphalt stock image

Lignin pilot projects in Canadian cities pave way for greener roads

The northern Ontario City of Thunder Bay is looking to become the second Canadian municipality to pave its roads with the complex organic polymer...


CN Rail nets second fine over spraying pesticides on tracks near B.C. river

The Canadian National Railway Co. has been fined $2.5 million under the Fisheries Act for spraying pesticides on a rail corridor that runs along...

New Tecumseth secures loan to end debt around Georgian Bay water pipeline

The Town of New Tecumseth will be using a $9.5-million loan to finally settle a debt around the Georgian Bay pipeline, which sees Collingwood...

New B.C. guidelines help engineers, geoscientists to integrate natural asset management

Newly-published professional practice guidelines from the provincial regulator aim to ensure that British Columbia’s engineering and geoscience professionals are considering natural asset management in...
tailings map

UWaterloo researchers map worldwide mining disasters as a new tool

Researchers at the University of Waterloo have used historical satellite imagery to map a database showing 63 tailings flow incidents that have occurred worldwide...
Steve Davey 1970 Oldsmobile Delta 88

If it isn’t broken, don’t try to fix it

By Steve Davey As a lot of us did in the 1970s, I too desperately wanted my own car, which was a ticket to freedom,...
Measurement technology to control and monitor wastewater processes

FAQs about level and pressure measurement technology for wastewater treatment

Production processes are becoming ever more complex. So, it is really important that the measurement technology used to control and monitor them is understandable...
Lakeview Village in Mississauga, Ontario

Emergency response planning necessary to protect corporate assets

Cyberattacks have become increasingly established as external threats that could negatively impact business operations. So this means companies must adopt secure cybersecurity measures that will prevent cases of unauthorized access to information and loss of data.
HRS Unicus Series heat exchangers

Thermal hydrolysis boosts biogas production from biomass

The conversion of various forms of sustainable biomass into biogas and advanced liquid biofuels has significant potential to contribute to renewable energy and carbon reduction goals
BioCord system

Improving ammonia removal at a petrochemical plant’s lagoon

A petrochemical manufacturing plant in Western Canada was experiencing difficulty in meeting the required ammonia discharge limit from its on-site wastewater lagoon system during cold-weather conditions.

Hamilton restores aging watermain sections following friction loss testing

A large portion of the watermains in Hamilton are unlined cast iron pipe (CIP). While the average age of the city’s watermains are around 44 years, much of this CIP is closer to 83 years.

Managing constituents of emerging concern

The presence of a CEC, such as a pharmaceutical or industrial compound, in surface or drinking water can raise public concerns as to whether the water is safe to use for drinking, recreation, fishing, or other purposes.
surface water biofiltration

Integrating biofiltration into existing water plants to improve contaminant removal

This tailored collaboration project with the City of Columbus, Ohio, aimed to combine much of the biofiltration research and demonstrate extensive full-scale biofiltration optimization and integration into the overall treatment train.

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ES&E Magazine – October 2021 cover