[sputter_token]

In some parts of America, collecting rainwater is illegal.

[sp332]

Restrictions are mainly on commercial and especially agricultural use. It's not that bad for residential systems. https://www.worldwaterreserve.com/rainwater-harvesting/is-it... But in Georgia, you can only use the rainwater outdoors. So you can't legally flush your toilet with it.

[thsksbd]

Because, legally, you're stealing water from the basin and the basin's down stream users.

You're also not paying for the sewer use if you flush with it (since sewer isn't metered)

[bombcar]

Some municipalities have ways to handle the second (as you have homes that are on well water but city sewer). Usually it's a flat fee based on occupancy or square footage.

[freedude]

This is mostly a myth, but check your local ordinances. OR do like the rest of us Freedudes do. Just do it.

[wolverine876]

Where?