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Hilliard Hard Water
How Hard Is Hilliard Water?
Hilliard tap water is moderately hard to hard. Hilliard 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 Hilliard'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 Hilliard, OH Tap Water
Is Hilliard tap water safe to drink?
Yes. Hilliard 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 Hilliard 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 Hilliard 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 Hilliard 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 Hilliard get its tap water?
Hilliard 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 Hilliard 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 Hilliard.
Do I need a water softener or filter in Hilliard?
Because Hilliard'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 Hilliard'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 Hilliard, here.
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