Phosphate - A mineral added at one part per million to help prevent corrosion of water mains and customer pipes. Pumping station - A facility where water is removed from ground, treated, stored and distributed for use. Raw water - Water which has been pumped from the aquifer but has not completed the treatment process. In Memphis, raw water is pure enough to drink, but federal laws require treatment to ensure standards of purity. May be above or below ground level.
Customers are responsible for repairs.
Surface water - Water source which covers the Earth's surface, including the Mississippi and Wolf rivers. Represents 97 percent of Earth's water supply. Water main - An underground pipe, measuring two inches to three feet in diameter, used to distribute water from pumping stations to customer's water meter. Diameter is based on water demand and pressure. Water meter - A device used to measure the amount of water consumed by a customer.