Definition

Noun: * Water that has been used in homes, businesses, or industries and contains waste matter, making it impure. This includes water from sinks, toilets, showers, and industrial processes.

Usage

The term "wastewater" is used to describe used water that requires treatment before it can be safely released back into the environment or reused. It is a standard term in environmental science, engineering, and public health.

Examples

• The city's treatment plant processes millions of gallons of wastewater every day.
• Industrial wastewater must often undergo special treatment to remove chemicals.
• Proper management of wastewater is essential for protecting public health and water quality.

Advanced Usage

• "Wastewater effluent": refers to the treated wastewater that is discharged from a treatment plant into a river or lake.
  • The quality of the wastewater effluent is monitored to ensure it meets environmental standards.

Variants and Related Words

• Sewage (noun): A subset of wastewater, specifically referring to waste matter and wastewater conveyed in sewers. While often used interchangeably with "wastewater" in general contexts, "sewage" more strongly emphasizes the waste content.
  • The sewage system was overwhelmed by the heavy rain.
• Effluent (noun): Liquid waste or sewage discharged into a river or the sea. This can refer specifically to the outflow from a treatment plant or industrial process.
• Graywater (noun): A type of wastewater from non-toilet sources like sinks, showers, and washing machines, which can be recycled for uses like irrigation.

Synonyms

• Used water
• Sewage (in many general contexts)
• Drainage (in specific contexts)

Related Phrases

• Wastewater treatment: The process of removing contaminants from wastewater.
  • Advanced wastewater treatment can produce water clean enough for irrigation.
• Wastewater management: The overall handling, treatment, and disposal of wastewater.
  • Effective wastewater management is a critical part of urban planning.

Noun

1. water mixed with waste matter