745
Rain Water Rule
(lemmy.world)
Be sure to follow the rule before you head out.
Rule: You must post before you leave.
It's illegal in some states as well.
I remember learning about this while having This Old House playing in the background.
Here's a map of the regulations for each state (currently the heaviest looks like it is restricted by volume and/or medium of collection) https://www.energy.gov/femp/rainwater-harvesting-regulations-map