Question

Methodology on the topic to reduce river pollution by the use of sewage water for irrigation

Answer 1

we can not take sewag water for irrigation cause it is inaccessible and costly
second ew will have to treat it before irrigation better method is let the sewage water go to river after treatment

Answer 2

Irrigation industries can use the waste water and even you can find some places where local municipality using the treated waste water as municipal water supply.

We know that reduce water supply for irrigation can save the underneath water level, and in this case, using treated waste water for irrigation seems to be the most promising method.

Even irrigation using water from rovers can contaminate the rivers and it must be avoided by reuse of waste water.