Question

Write the significance of turbidity from the point of view of quality of water?

Answer 1

Turbidity Water Quality Standard

Minnesota’s water quality standards include a turbidity
number as a measure of whether a water body meets its
designated uses:
Classes (and descriptions) Turbidity (NTU)
1B (drinking water) 10
2A (cold water fishery, all recreation) 10
2B (cool/warm water fishery, all recreation) 25
2C (indigenous fish, most recreation) 25
The relationship of TSS and transparency to turbidity
across many streams indicates that 25 NTU is
approximately equal to 58 mg/L for TSS and 20
centimeters of visibility through a T-tube. However, the
relationship between turbidity and TSS can vary greatly
in individual streams or even locations within a stream.