👉 A turbidity is a measure of the amount of suspended matter in a fluid or water column. It can be defined as the degree to which the particles, such as sand, sediment, or bacteria, are dispersed in the liquid and do not form a cohesive layer that affects the flow characteristics. Turbidities can be categorized into two types: primary turbidity and secondary turbidity. Primary turbidity is caused by the movement of suspended matter through the fluid, while secondary turbidity is caused by
