What is the typical source of grey water?

The typical source of grey water is water that drains from showers and sinks. Grey water refers to domestic wastewater that is not contaminated by toilet waste. It includes the water from sources such as bathtubs, showers, sinks, and dishwashers. This definition is important because it highlights the potential for recycling grey water for purposes such as irrigation or toilet flushing, which can help conserve water.

In contrast, untreated sewage from toilets is classified as black water due to its high level of contaminants. Rainwater runoff may be collected and used for various purposes, but it does not fall under the grey water category as it is not the result of household activities involving water usage. Lastly, industrial wastewater is associated with manufacturing processes and generally contains different contaminants compared to grey water. Understanding these distinctions helps clarify the specific nature and composition of grey water as a resource.