Guidelines for Canadian Drinking Water Quality: Guideline Technical Document – Hardness (English, HTML)

View metadata and access the original English HTML file: Guidelines for Canadian Drinking Water Quality: Guideline Technical Document – Hardness.

Format

HTML

Access

file-only

Publisher-reported update

2022-09-27

Although hardness may have significant aesthetic effects, a maximum acceptable level has not been established because public acceptance of hardness may vary considerably according to the local conditions. Water supplies with a hardness greater than 200 mg/L are considered poor but have been tolerated by consumers; those in excess of 500 mg/L are unacceptable for most domestic purposes.

Access original file