How should we aim to keep our water supply clean? (poll 8032263)

How should we aim to keep our water supply clean?

By using grey water (waste water from showers/baths) to flush the toilet.

Trying out water-less toilets.

Switching to organic soaps and detergents to avoid chemical contamination.

By becoming more aware of water use (when washing dishes, showering, etc).

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See this poll on: https://poll.fm/8032263/embed