what is waste water?

Wastewater is a term applied to any type of water that has been utilized in some capacity that negatively impacts the quality of the water. Common examples of wastewater include water that is discharged from households, office and retail buildings, and manufacturing plants. Wastewater may also refer to any water that is utilized in an agricultural facility and is no longer considered fit for human consumption.

The most common example of wastewater is liquid sewage. Discharged from homes and businesses alike, sewage usually contains a mixture of human waste, food remnants, water used in washing machines, and any other items that may have found their way into the sewage system. Many municipalities operate wastewater treatment plants that help to purify the sewage and recycle the water for other uses, such as watering lawns. The plant may employ many different devices to recycle the wastewater, including filters and chemical treatments.

Wastewater can also refer to groundwater that is contaminated due to a leaking septic tank or agents such as insecticide, petroleum products, blood, or cleaning liquids. Often, contaminated water can also be ran through the municipal filtration system and be prepared for use once again. However, the nature of the contaminants may require additional measures before the water is suitable for use once more.

Wastewater is generated during various activities in homes, industries, hospitals, offices, and laundry services etc. This waste water is called sewage.

Sewage is the wastewater containing solid and liquid wastes and pollutants .It is produced by humans from homes, industries, hospitals, offices and other places that use water for their various processes.

Wastewater is any water which that has been affected in quality by anthropogenic influence...It is  a liquid waste discharged by domestic residences , commercial properties , industry , agriculture , etc....