What is a common method for analyzing water clarity?

A turbidity test is a common method for analyzing water clarity because it directly measures the amount of suspended particles in the water, which can affect its clarity. Turbidity is important to assess because it can indicate the presence of pollutants or pathogens in the water. The test typically uses a nephelometer or turbidimeter, which quantifies the scattering of light caused by these particles.

In contrast, a pH test measures the acidity or alkalinity of water, which does not provide specific information about clarity. A conductivity test assesses the concentration of ions in water, giving insights into the water's chemical composition rather than its clarity. Lastly, a chlorination test is focused on measuring chlorine levels for disinfection purposes and is not related to the visual clarity of the water. Thus, the turbidity test is the appropriate choice for analyzing water clarity.