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Westerville Water Remains in Compliance with Lead Regulations 
Based on past compliance monitoring results, Westerville water is on a reduced, every-three-years monitoring schedule for lead. Lead regulatory compliance is based on at least 90% of the samples being below the action level of 15 parts per billion (ppb). The Westerville Water Division’s recently completed 2017 lead monitoring had a 90th percentile value of 0 ppb, the same as it was in 2014.

Westerville has operated a public water supply since 1901. Today, the City Water Division runs a 7.5 million gallon a day water treatment facility serving more than 15,000 homes and businesses. The treatment plant is located at 312 W. Main Street. The plant is Ohio EPA-licensed to treat 7.5 million gallons a day and is operated 24 hours a day, 365 days a year. 

The high-quality drinking water produced by Westerville consistently meets all water quality regulations. In fact, Westerville has received the Outstanding Public Water System Award from the Ohio EPA. 

The treatment process is broken into many steps to produce premium quality drinking water, including coagulation using ferric chloride and settling to remove particles; softening using lime and caustic soda to remove calcium and magnesium which contribute to water hardness; disinfection using chlorine to kill harmful microorganisms; filtration using sand filters to remove fine particles; fluoridation for dental protection; corrosion control using phosphate; and taste & odor control with powdered activated carbon. The water is softened to approximately 130/mg/1 or 7.5 gpg and has a fluoride level of 1 mg/l. Additional water quality information is available by contacting the plant at (614) 901-6770. 


Water Division 
312 W. Main Street 
Westerville, Ohio 43081-2119 
(614) 901-6740 Emergency 
(614) 901-6770 Non-Emergency 
Fax (614) 901-6773

 

Limited Environmental Review Report
The Ohio EPA  has made available for public information this Limited Environmental Review for the City of Westerville’s Water Treatment Plant Facility Improvement Project. Through this project, the city desires to enhance the existing water treatment facilities in order to ensure compliance with the federal Safe Drinking Water Act’s (SDWA) Long Term 2 (LT2) Enhanced Surface Water Treatment Rule and Stage 2 Disinfectants and Disinfection Byproduct Rule (Stage 2 DBP rule), as well as minimize the risk to public health from emerging contaminants.

For more information, please visit the Ohio EPA’s website. This report may also be found in hard copy at the Westerville Municipal Building, main lobby bulletin board, located at 21 South State Street, as well as at 64 East Walnut Street. If you would like to receive either an electronic copy via e-mail or a paper copy of the document via U.S. mail, please contact Kristy Hunt of Ohio EPA at either: kristy.hunt@epa.state.oh.us or (614) 644-3661.

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