So why do they put it in household water?

Five & Alive improves the lives of individuals around the world by ensuring that household water is clean and safe, regardless of its source.

Filtering the household water can be an effective way to treat tainted water.

Unused reach the environment either via household water or via urban solid garbage handling.

Portion of above report most pertinent to this article is Chapter 4: Storage and treatment of household water.

This practice may have started as a matter of hygiene, as the kitchen sink was the only sink available for all the household water.

Most people's household water is delivered by a public water supplier.

All of the Cape's drinking and household water comes from wells.

Environmental authorities estimate that toilets use 30 to 40 percent of household water each day.

The country relies heavily on rain to provide household water, and for many years now the average annual rainfall seems to be decreasing.