Tap water hardness in Newfoundland and Labrador
We have published hardness data for 55 cities in Newfoundland and Labrador. The median is 23 mg/L; the hardest water is in Bay St. George South (210 mg/L), the softest in Glovertown (5 mg/L).
9 % of these cities have hard or very hard water (over 120 mg/L).
Health Canada: hardness above 200 mg/L is considered poor but tolerable; above 500 mg/L unacceptable.