Sewage treatment
The Saint-Bernard sewage treatment plant is a state of the art facility that has operated since 1991. Fully computerized, it is also equipped with a bio-filtration system. The treated water released into the Châteauguay River is 95% purified

The process for treating the sludge with its two aerobic digesters produce stabilized and dehydrated sludge with a high enough acidity level for agricultural uses.
