In Kenya, drinking water quality standards are established by the Kenya Bureau of Standards (KEBS) and enforced by the Water Services Regulatory Board (WASREB). These standards are aligned with the World Health Organization (WHO) guidelines to ensure the safety and quality of drinking water across the country.WASREB+2SIWI+2WASREB+2
Key Parameters and Standards
1. Microbiological Quality:
E. coli and Total Coliforms: Must be absent in any 100 ml sample of drinking water. The presence of these bacteria indicates potential contamination and health risks.
2. Chemical Parameters:
Fluoride: The maximum allowable concentration is 1.5 mg/L. However, in certain regions with high natural fluoride levels, concentrations up to 3 mg/L may be considered acceptable.
Nitrate: Should not exceed 50 mg/L to prevent health issues such as methemoglobinemia.
Lead: The permissible limit is 0.01 mg/L, as higher levels can cause neurological and developmental problems.WASREB
3. Physical and Aesthetic Parameters:
Turbidity: Should be below 5 Nephelometric Turbidity Units (NTU) to ensure clarity.
pH: The acceptable range is between 6.5 and 8.5 to prevent corrosion and scaling.
Taste and Odor: Water should be free from any offensive taste or smell.SIWI
Monitoring and Compliance
Water Service Providers (WSPs) are required to conduct regular monitoring of water quality, including bacteriological and chemical analyses. The frequency of testing is determined based on factors such as the source of water, volume produced, and population served. WASREB oversees compliance and ensures that water supplied to consumers meets the established standards. WASREB+3WASREB+3SIWI+3
WHO Guidelines Integration
Kenya’s drinking water standards are influenced by the WHO Guidelines for Drinking-water Quality, which provide a framework for setting national standards and monitoring water quality. These guidelines emphasize the importance of risk assessment and management to protect public health. World Health OrganizationWHO Apps
Conclusion
Ensuring the safety and quality of drinking water in Kenya involves adherence to established standards by KEBS and WASREB, regular monitoring by WSPs, and alignment with WHO guidelines. Continuous efforts are necessary to maintain and improve water quality, safeguarding public health across the country.WASREB+3WASREB+3SIWI+3