Is it cheaper to have water trucked in or filled by your own water supply?
It depends on what the cost of water per thousand gallons is in
your area and whether you have sewers. Usually the water bill is
doubled when you have sewers. In my rural area, we don't have
sewers, just city water at $3.95 per thousand. It cost us under
$100 to fill a 16x34 inground pool.