The Sewage System - Land Development Program reviews all properties that are developed or planning to be serviced with inground sewage disposal. The Health Unit ensures that health and environment are protected.
Sewage includes wastes of domestic origin, from toilets, showers, kitchen sinks and laundry.
The concern of Thunder Bay District Health Unit is the presence of toxic elements, disease carrying bacteria and nutrients in the form of nitrogen and phosphorous compounds. In 1997, an inspector found sewage in an area beside Boulevard Lake. The area had to be dug up and drainage repaired. This action will prevent future sewage discharge in this area. The Canadian Scout Jamboree which had 18,539 participants, produced one million gallons of sewage waste in 10 days.