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Dublin Hard Water
How Hard Is Dublin Water?
Dublin tap water is moderately hard to hard. Dublin is served by Columbus Water & Power, and the most recent water quality report puts the system average at about 115 ppm, or roughly 6.7 grains per gallon, with plant averages ranging from 98 ppm (5.7 gpg) to 125 ppm (7.3 gpg) depending on which treatment plant serves your area. Columbus draws its water from the Scioto River, Big Walnut Creek, and groundwater wells in the Scioto River Valley.
Where Can I Get A Water Quality Report?
You can access Dublin's annual Water Quality Report. Published by Columbus Water & Power, it is also known as a consumer confidence report, and provides detailed data on the composition of your municipal water annually.
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FAQ
Additional Information On Dublin, OH Tap Water
Is Dublin tap water safe to drink?
Yes. Dublin is served by Columbus Water & Power, and its drinking water meets federal and state drinking water standards. The most recent report lists no violations, and the system holds a current, unconditioned Ohio EPA license to operate.
Is Dublin tap water hard?
Yes. The most recent Columbus water quality report shows a system average hardness of about 115 ppm (roughly 6.7 grains per gallon), with plant averages ranging from 98 to 125 ppm (5.7 to 7.3 gpg) depending on which treatment plant serves your area. This falls within the moderately hard to hard water range and may contribute to scale buildup on fixtures, spotting on dishes, and reduced soap performance.
Is there PFAS in Dublin tap water?
The current Columbus water quality report does not include PFAS results. Under the 2024 federal PFAS rule, utilities must begin compliance monitoring in 2027 and meet the new limits by 2029. Homeowners who want to know what's in their water today can schedule a free in-home water test.
Does Dublin tap water have fluoride?
Yes. Columbus adds fluoride as part of its treatment process to help protect dental health. The most recent water quality report shows fluoride levels of 0.96 to 0.98 ppm across the city's three treatment plants, well below the EPA maximum contaminant level of 4.0 ppm.
Where does Dublin get its tap water?
Dublin receives its drinking water from Columbus Water & Power. Surface water comes from the Scioto River and Big Walnut Creek and is treated at the Dublin Road and Hap Cremean water plants, while groundwater from sand and gravel aquifers in the Scioto River Valley is treated at the Parsons Avenue water plant.
How is Dublin water treated?
Columbus uses a multi-barrier treatment process that includes screening, coagulation, sedimentation, lime softening, ozone treatment, granular activated carbon filtration, ultraviolet (UV) disinfection, pH adjustment, chlorination, fluoride addition, and corrosion control before water reaches homes and businesses in Dublin.
Do I need a water softener or filter in Dublin?
Because Dublin's water is moderately hard to hard, many homeowners choose a water softener to reduce scale buildup and improve soap efficiency. Others install reverse osmosis or whole-house filtration systems to address chlorine taste and odor, disinfection byproducts, emerging contaminants such as PFAS, or overall water quality preferences. Treatment needs can vary with your home's plumbing and the plant serving your neighborhood.
How does Columbus monitor Dublin's water quality?
Columbus Water & Power's Water Quality Assurance Laboratory ran more than 70,000 analyses in the most recent reporting year, monitoring bacteria, lead, copper, nitrates, disinfection byproducts, pesticides and herbicides such as atrazine, turbidity, and other regulated substances to ensure compliance with federal and state drinking water standards.
Where can I get a local tap water quality report?
You can access the most recent Columbus Tap Water Quality Report, which covers Dublin, here.
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