History of C.C.W.A.. CCWA produces up to 39 million gallons a day of potable water. We have a potable water storage capacity of 35.6 million gallons stored in 10 ground and 8 elevated tanks. We also own and maintain 5 raw water reservoirs that provide raw water to 3 water production facilities. CCWA serves a population of 260,000 people through a system of distribution mains 1,265 miles long. .