Ontario Ministry of the Environment Water webpage
Ontario Ministry of the Environment – Publications:
Septic Systems and Hauled Sewage Regulation Changes , June 1998
"Most septic systems are now regulated under the Building Code Act. Large and off-lot (e.g. communal) systems are defined as sewage works and come under the Ontario Water Resources Act."
Treatment of Household Waste, November 1998
Information on the treatment of rural household wastewater.
The Water and Wastewater Treatment Process, Ontario Clean Water Agency