Why is reduction of BOD in wastewater a primary goal

Why is reduction of BOD in wastewater a primary goal of wastewater treatment? What are the consequences of releasing wastewater with a high BOD into local water sources such as lakes or streams?

http://nursingmodules.com/wp-content/uploads/2020/02/logo-300x60.png 0 0 prince http://nursingmodules.com/wp-content/uploads/2020/02/logo-300x60.png prince2021-01-31 07:19:582021-01-31 07:19:58Why is reduction of BOD in wastewater a primary goal