I noticed the month when I filled my new pool (11,000 gal) with water that my water bill was only $58, which is about 110% more than usual (got a discount on sewer usage). I've seen others on here with way much more expensive water, so I was a bit shocked (in the good way) at the low cost of my water. I'll have to admit, my water tastes like Crud out of the tap (use a PUR filter), but I guess depending on where you live, there is a great variance for the cost of municipal water.