This report provides background information on the use and treatment with ozonation of recirculating cooling water systems. Details about the technology employed at the study site, the water savings, other results, and the costs and savings are discussed. The report identifies factors that should be taken into account when ozone is considered for cooling tower water treatment.OSGOOD, S. (1991): Ozonation of Cooling Tower Water: A Case Study . In: California Department of Water Resource. [Accessed: 29.01.2012].