Water Treatment
State-Of-The-Art Water Treatment
Safe water is our top priority.
Greater Cincinnati Water Works uses the latest treatment techniques in its state-of-the-art facilities to remove harmful contaminants. Cincinnati has been recognized nationally for its excellent drinking water.
GCWW has always met or exceeded all state and federal health standards for drinking water.
Most GCWW customers receive water from the Richard Miller Treatment Plant on the Ohio River (diagram below). Granular activated carbon (GAC) treatment at Miller gives GCWW an edge in water quality management. GAC allows us to use substantially less chlorine in the treatment process.
GCWW pioneered the use of GAC treatment and has one of the largest GAC facilities in the U.S.
GCWW also uses source water from its Charles M. Bolton Wellfield on the Great Miami Aquifer (an aquifer is buried sand and gravel filled with water). It is located in the portion of the aquifer served by the Hamilton to New Baltimore Consortium, which has developed an award-winning source water protection program to protect the aquifer.
GCWW Water Treatment
Learn more about each step and source water protection by reading the Water Treatment booklet. This includes descriptions of both Richard Miller Treatment Plant and Charles M. Bolton Plant treatment processes.