In the past, the water was dumped down the drain! If the average pool has 20,000 gallons of water and if only 1,000 pool owners (out of the tens of thousands in our area!) dump their water a year, that means 20,000,000 gallons of water is not only wasted, an additional 20,000,000 is needed to re!ll these pools! Using the very realistic recovery of water with our system (80%), that would mean an annual savings of 32,000,000 gallons of water a year!