Why is sewage harmful? how is it treated
Answers
Other harmful solids and chemicals in sewage can damage bodies of water that support wildlife. ... Sewage needs to be treated so that it doesn't impact the environment. Treatment plants for wastewater and laws against pouring untreated sewage directly into the environment are meant to prevent this from happening.
hope it helps u ❤!!
♡HOLA FRIEND ♡
----->HERE YOUR ANSWER <------
SEWAGE HARMFUL BECAUSE
The bacteria in human waste, such as E. coli, can infect the water and cause disease. Other harmful solids and chemicals in sewage can damage bodies of water that support wildlife. Fertilizers, such as nitrogen and phosphates, encourage algae growth, which blocks sunlight and affects the quality of the water.
TREATED:-
Sewage treatment. ... Physical, chemical, and biological processes are used to remove contaminants and produce treated wastewater (ortreated effluent) that is safe enough for release into the environment. A by-product of sewage treatment is a semi-solid waste or slurry, calledsewage sludge.
^^HOPE IT IS HELPFUL ^^