Question

the river water is getting contaminated because of various factors

Answer 1

There are a lot of different causes of contamination of water, and they come from a variety of different sources. Different types of water contamination can cause specific types of problems, and some causes of contamination may also be causes of pollution. However, no matter what aspect of water contamination you’re looking into, you can expect to see some of the same patterns occurring over and over again throughout its many causes.
HOPE IT HELPS YOU

Answer 2

Yes,there are many factors because of which rivers are getting contaminated they r:
1)deposition of toxic things by industries
2) fertilizers also pollute our rivers
3) during puja we hindus dirty our rivers by offering diyas nd all
4) lastly, bone immersion that we do.