Ontario Water Quality
Water hardness and quality data for 9 cities in Ontario, Canada.
127 mg/L
State average
🟠 Hard
Avg category
9
Cities tracked
Brampton
Pop. 656,480
130 mg/Llake
Full report →Etobicoke
Pop. 365,000
190 mg/Llake
Full report →Hamilton
Pop. 569,353
140 mg/Llake
Full report →London
Pop. 422,324
80 mg/Lmixed
Full report →Markham
Pop. 338,503
130 mg/Llake
Full report →Mississauga
Pop. 717,961
130 mg/Llake
Full report →Ottawa
Pop. 1,017,449
88 mg/Lmixed
Full report →Toronto
Pop. 2,794,356
124 mg/Llake
Full report →Vaughan
Pop. 323,103
130 mg/Llake
Full report →