Question

Define Sewage.

Answer 1

Sewage:

1. Sewage is wastewater released from houses, hospitals, industries, offices, and other sources.
2. It also includes the rainwater that runs down the streets in a storm.
3. The water that washes off the roads and rooftops contains many harmful substances. Sewage is a liquid waste.
4. Wastewater has dissolved and suspended impurities in it. These impurities are known as contaminants.