The current water pollution is mainly caused by the thoughtlessness of human at like Leave down waste or sewage Water resources Make water rotten.
we all should be aware of the consequences!All of us should reduce waste and sewage into the water If the water is very polluted ,you should to be water treatment , with keep garbage out of the water.
Then use em ball in wastewater treatment In order to make better quality water source.
So we should be conscious of environmental issues and the impact to our planet.