Before We Treat It . It also is not clear and good-tasting. Unfortunately it's not free. We pay the TRWD somewhat less than a thousand dollars for every million gallons we pump from the lake. Below is a map reflecting the Tarrant County Water District Water Delivery Systems.
Water is pumped from Lake Arlington to the treatment plant using large electrically driven pumps.
Over ten billion gallons are pumped from the lake in a year s time. The lake holds about 16 billion gallons. Normally, water is not treated at the Raw Water Pump Stations. The largest pump delivers 61 MGD at 800 horsepower. Diesel-fueled electricity generator powers 40 MGD pump in the event of an electrical power outage.