Countries/ Regulatory Agencies | Regulated Chemicals | Secondary-Regulated Chemicals | Physical | Biological | ||||
Lead (mg/L) | Copper (mg/L) | Chlorine (mg/L) | Total Trihalomethane (mg/L) | Turbidity (NTU) | pH | Total Coliform (cfu/100 mL) | ||
World Health Organization (WHO) | 0.01 | 2 | 5 | 1 | 5 | No guideline | <1 | |
United States (Environmental Protection Agency) | 0.015 | 1.3 | 0.2-4 | 0.08 | 5 | 6.5 - 8.5 | <5% per month | |
European Union (EU Drinking Water Directive) | 0.01 | 2 | No guideline | 0.1 | 4 | no guideline | 0 | |
United Kingdom (Drinking Water Inspectorate) | 0.01 | 2 | No guideline | 0.1 | 4 | 6.5 - 9.5 | 0 | |
Canada (Health Canada) | 0.005 | 2 | 2 | 0.1 | 0.3 | 6.5 - 8.5 | 0 | |
Singapore (PUB Singapore’s National Water Agency) | 0.01 | 2 | 5 | 1/0.56 | 5 | 6.5 - 9.5 | <1 | |
Ireland (Ireland’s Environmental Protection agency) | 0.01 | 2 | No guideline | 0.1 | 1 | No guideline | 0 | |
New Zealand (NZ Ministry of Health) | 0.01 | 1.3 | 5 | 1/0.71 | 2.5 | 7.0 - 8.5 | <1 | |
Germany (Federal Ministry of Health) | 0.01 | 2 | 5 | 0.1 | 1 | 6.5 - 9.5 | 0 | |
Iceland (Environmental Protection Agency of Ireland) | 0.01 | 2 | No guideline | 0.1 | 5 | 6.5 - 9.5 | 0 | |
Australia (National Health and Medical Research Council) | 0.01 | 1 | 5 | 0.25 | 5 | 6.5 - 8.5 | <2 | |
United Arab Emirates (Environment Agency Abu Dhabi) | 0.01 | 2 | 0.2-0.5 | 1/0.56 | 4 | 7 - 9.2 | 0 | |
Qatar (Qatar Electricity and Water Corporation) | 0.01 | 2 | 5 | 1/0.56 | 4 | 6.5 - 8 | 0 |