The City of Glendale, Ariz., has been using ultraviolet (UV) disinfection to meet regulations related to reclaimed-water use and aquifer recharge. While the current system has performed successfully with regard to coliform and disinfection byproduct (DBP) compliance, it requires considerable operations and maintenance (O&M) costs. Glendale needed to find an alternative disinfection technology (or combined technologies) that would reduce staff time and O&M costs while still meeting the city's stringent coliform and DBP requirements.
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