WHO Testing Protocol

WHO Guidelines for drinking-water quality (4th edition)

WHO Guidelines gives information about microbial, physical and chemical aspects of drinking-water quality, and is often used as a reference by different national drinking-water legislation.

Guide to Ship Sanitation 2011” is intended to be used as a basis for the development of national approaches to controlling the hazards that may be encountered on ships, as well as providing a framework for policy-making and local decision-making.

In accordance with the guidelines, we have created a testing protocol that should be acceptable by the majority of flag administrations & Port State Controls Worldwide.

Parameter Method
Appearance Visual
Colour APHA 2120 B
Odour Organoleptic
Taste Organoleptic
pH@25°C APHA 4500 H*B
Conductivity@25°C APHA 2510 B
Turbidity APHA 2130B
Total Hardness (CaCO3) HACH
Total Residual Disinfectant APHA 4500 Cl / APHA 4500 ClO2
Lead APHA 3120B
Copper APHA 3120B
Cadmium, APHA 3120B
Nickel APHA 3120B
Zinc APHA 3120B
Iron APHA 3120B
Escherichia coli APHA 9222 G
Heterotrophic Plate Count (at 20 °C) APHA 9215 D
Heterotrophic Plate Count (at 37 °C) APHA 9215 D
Legionella spp. ISO 11731:2017

A wide series of additional microbiological and chemical tests can be performed, according to your specific requirements.