At that time the plant was built to treat sewage from a population of 650,000, but by 1943 the population grew to 1.5 million people, contributing much more sewage, and upgrades to the plant were necessary.
At that time the plant was built to treat sewage from a population of 650,000, with a capacity of 100 million gallons per day (mgd). By 1943 the population grew to 1.5 million people, contributing much more sewage, and upgrades to the plant were necessary.