Considering where they live
They probably left the water running while they brushed their teeth...
This is Minnesota we're talking about, not Chicago, New Jersey or Louisiana.
Or, maybe, they didn't empty the Kirby bag immediately after hoovering.
I mean, come on - this is the state where you get in trouble just for tap dancing in the bathroom at the airport...
Well, whatever it was, they were richly and deeply rewarded for it - there's an old saying in German: Keine Sünde bleibt ungestraft - and, obviously, their sins pleased the gods greatly!