Question

what is the limit of BOD for effluent to be discharged into a water course ​

Answer 1

Answer:

The limit of BOD for effluent to be discharged into a water course ​is 30mg/ml.

Explanation:

These limits are given by the Central Pollution Control Board( CPCB) Effluent Discharge Standards.

BOD refers to Biological Oxygen Demand and BOD upto 5ppm is considered to be clean. However, for drinking water the permissible limit should be zero.

Answer 2

Answer:

There are three important but different parameters that help in distinguising the extent to which a water body is polluted.

All of these important indicators help in understanding the levels of organic carbon that is present in the water namely Total organic carbon, Chemical oxygen demand and Biochemical oxygen demand.

When water is in its purest form it contains majority of the organic compounds that tend to be dissolved in nature.