What is reclaimed wastewater?

• A. Wastewater that has been treated and purified for reuse, often for irrigation or industrial purposes.
• B. Water that comes from a natural spring.
• C. Water collected from rain in a storage tank.
• D. Water taken from a river without treatment.

Answer: (A)

Reclaimed wastewater is wastewater that has undergone treatment to remove contaminants and is purified to be safe for reuse, typically in non-potable applications like irrigation or industrial processes. The important idea is that it’s not discarded, but cleaned enough to be reused for specific purposes. This distinguishes it from natural sources or untreated water: water from a natural spring is naturally occurring groundwater, rainwater collected in storage is harvested precipitation, and water taken from a river without treatment is raw and unsafe for reuse without proper treatment.