Ormond Beach: Tomoka View Converted to Hydrogen Peroxide Oxidation Treatment

Ormond Beach, FL
U.S. Water Services Corporation - Tomoka View Water Treatment Facility - Conversion

U.S. Water Services Corporation (U.S. Water) recently converted the Tomoka View Water Treatment Facility, serving 305 households located in Ormond Beach, Florida, from chloramine treatment to hydrogen peroxide oxidation disinfection. The system was initially being treated with chloramines (chlorine that has been bonded with ammonia) because the water was high in total trihalomethanes (TTHM). TTHM’s is a group of disinfection byproducts that form when chlorine compounds, used to disinfect water, react with other naturally occurring chemicals in the water.  For the chloramines to work, U.S. Water had to flush about 40,000 gallons of water a day. After flushing the system the TTHM levels were reduced significantly; however, with all the flushing, the wells started pulling up sediment, and the water quality was decreasing. Before switching to the hydrogen peroxide system, the water was high in organics with a yellow tint and a hydrogen sulfide smell. The smell is now gone and the water is crystal clear. With peroxide, the hope is to have a longer detention time so there is no longer a need to flush the system.

U.S. Water started a pilot study to implement the Hydrogen Peroxide Oxidation System with the help of the Florida Rural Water AssociationU.S. Water Services Corporation - Tomoka View Water Treatment - Before and After pictures (FRWA), finding we should use 5.83% hydrogen peroxide (H2O2). H2O2 is chemically water with an additional oxygen molecule. Unlike chlorine, hydrogen peroxide produces no harmful chlorination byproducts. The oxygen molecule is liberated during the reaction and chemically oxidizes (reduces) impurities in the raw water. These impurities include iron, sulfer, organics, tannins, color, odor, taste, etc. Once the hydrogen peroxide treatment was started and after a period of train and error, the water quality improved significantly.

Overall the project was a success! The water quality was significantly improved with no smell or color and U.S. Water was able to stop flushing the system, wasting 40,000 gallons of water a day.

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