Bathurst Manor Water Hardness & Quality Report (2026)

Bathurst Manor (a North York neighbourhood centred near Bathurst Street and Sheppard Avenue — a densely settled residential community of post-war brick homes and low-rise apartment buildings in the Bathurst–Sheppard corridor, home to one of Toronto's largest and most historic Jewish-Canadian communities, with the Bathurst Street Synagogues Row, the Schwartz/Reisman Community Centre, and the network of Jewish day schools, kosher restaurants, and communal institutions that define this distinct Toronto neighbourhood) receives its drinking water from the City of Toronto, drawing from Lake Ontario via the R.C. Harris Water Treatment Plant. Water is treated using ozonation, biofiltration, UV disinfection, and chloramination, meeting all Guidelines for Canadian Drinking Water Quality (GCDWQ) standards. Hardness in this distribution zone is 236.5 mg/L (13.8 gpg) — classified as very hard by Health Canada, consistent with the North York supply corridor.

Bathurst Manor receives R.C. Harris plant Lake Ontario supply through the North York distribution network — the same characteristically very hard Lake Ontario source (dissolved Silurian and Devonian carbonate from the Great Lakes basin) as all Toronto boroughs. The 236.5 mg/L is consistent with the adjacent Clanton Park (237.5 mg/L), Lansing-Westgate (234.5 mg/L), and Willowdale West (234.5 mg/L) in the North York distribution zone.

At 236.5 mg/L, Bathurst Manor residents face persistent scale challenges — kettle and showerhead descaling every one to two weeks is typical. The City of Toronto provides water quality information at toronto.ca/water. Health Canada lead service line precautionary guidance is strongly applicable in this neighbourhood's post-war housing stock, and the community's many pre-1955 homes along the Bathurst Street corridor should be checked through the City's lead service line replacement programme.