Mesa Water District to Replace Chloramine Disinfection with Free Chlorine for One Month, Beginning February 18, 2014, with No Noticable Difference in Taste

Costa Mesa, Calif. – Mesa Water District (Mesa Water®) will convert from chloramine disinfection to free chlorine disinfection for one month, beginning on February 18, 2014 and continuing twenty-eight days.

This is a routine process that helps to maintain the water distribution system used by Mesa Water to distribute drinking water to more than 105,000 people in the Costa Mesa and adjacent unincorporated areas.  The process is approved by the California Department of Public Health and temporarily replaces the chloramine disinfection process regularly used by Mesa Water.

Some Mesa Water customers may notice a slight difference in the taste of their drinking water. For more information on this temporary disinfection change please visit If Mesa Water customers have questions regarding their water quality, please call 949.631.1200.


About Mesa Water

Founded on January 1, 1960, and governed by a publicly-elected, five-member Board of Directors, Mesa Water is an independent special district that provides water service to 110,000 residents in an 18-square-mile service area that includes most of Costa Mesa, a portion of Newport Beach, and John Wayne Airport. Mesa Water provides 100 percent local reliable groundwater to its customers due to the Mesa Water Reliability Facility. Visit, follow @MesaWater on Facebook, Twitter, or Instagram, email, or call 949.631.1200 to learn more.