What is Turbidity?

Turbidity is defined as the amount of suspended particles in a solution, measured in nephelometric turbidity units, (NTU).

Turbidity is defined as the amount of suspended particles in a solution, measured in nephelometric turbidity units, (NTU). It is used as a general indicator of the quality of water, along with colour and odour. The US EPA has a maximum contaminant level (MCL) of 5 NTU for drinking and wastewaters.

Read MANTECH's turbidity method abstract here.