Hamel WTP, Victoriaville – Drinking Water Treatment
Victoriaville’s Hamel Water Treatment Plant plays a vital role in securing clean, safe drinking water for the community. The facility processes water drawn from the Beaudet Reservoir, a man-made basin created in 1976 following the damming of the Bulstrode River. Today, the plant serves as the city’s primary hub for drinking water treatment, ensuring consistently high-quality water for residents. On average, it treats nearly 12 million liters of water every day.
Objective
Pre-oxidation: enhance downstream flocculation and clarification, reduce the use of treatment chemicals, improve water taste and odor.
Intermediate ozonation: earn disinfection credits thus reducing the use of chlorine to that needed to establish a residual in the distribution network.
“Thank you for your hard work and your commitment to designing, delivering, and operating your technology. Your attention to detail is remarkable. We are truly dealing with people of great quality, the Primozone team.”
– Catherine Longpre, Mabarex
Primozone solution
4 x GM36 ozone generators
Chillers, GOX preparation, destruct units
Ozone distribution panels
Pre-ozone injection
Inter ozone injection
System and process design
MOCP by Cyr Systéme
To maintain the highest possible water quality, the Hamel Water Treatment Plant integrates ozone into two essential stages of its drinking water treatment process. The first stage is pre-oxidation, where ozone helps improve flocculation and clarification. By breaking down organic matter and aiding particle aggregation, ozone enhances the efficiency of the clarification process while reducing the overall need for chemical coagulants. This step ensures that the plant can achieve optimal water clarity with a more sustainable chemical footprint.
The second stage is intermediate ozonation, a powerful and reliable method for water disinfection. Ozone effectively inactivates a broad range of microorganisms, including bacteria, viruses, and protozoa, providing an additional layer of protection beyond traditional chlorination. By integrating ozone at multiple points in the process, the plant ensures consistent water quality, taste, and safety for residents throughout the year.
In 2023, the City of Victoriaville approved a major upgrade to the plant’s ozonation system, demonstrating the central role that ozone technology plays in their long-term water strategy. As part of this modernization effort, the facility installed a new Primozone ozone system with a capacity of 8.64 kg/h. This high-efficiency system is designed not only to improve operational reliability but also to support the plant’s future expansion. With this upgrade, the Hamel plant is expected to be capable of treating nearly 42 million liters of water per day, more than tripling its current average output.
Results
Mass Transfer Efficiency: more than 99%
20-year operating cost lower than the guaranteed values and $177 k$CAD lower than competition!
City of Victoriaville
“We truly appreciate working with the entire team. Your dedication and the heart you’ve put into this project are remarkable. We really felt your support throughout the project. You are an outstanding organization. There was always transparency, and we know that if there was any issue with the equipment, we could count on Primozone”
—Tommy Fortier
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