Most places in florida use a formula based on water consumption. so if you don't consume water then your sewage bill would be nothing as well.
also most places in florida have laws on collecting rain water. it is usually considered a public resource, but in FL it is legal to collect it in rain barrels.
although i probably shouldn't be used for consumption unless you have some kind of filtration system to run it through.
also she isn't evicted yet a judge has to sign off on the order and there is an attorney that is helping her for no cost.
local city government are getting out of control on their stupid code enforcement.
as long as you are paying your taxes not harming someone else's property then it is your land to do with what you want.