가정, 사업장 또는 산업 공정에서 사용되어 오염 물질을 포함하고 있는 물.
Water that has been used in a home, business, or industrial process and contains waste products.
예문:
"The factory was fined for discharging untreated wastewater into the local river."
"Modern wastewater treatment plants use biological processes to break down organic matter."
"Recycling wastewater is becoming a crucial strategy for water conservation in arid regions."