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Gahanna Hard Water
How Hard Is Gahanna Water?
Gahanna tap water is moderately hard. Gahanna buys all of its water from the City of Columbus, and it comes from Columbus’s Hap Cremean Water Plant, which treats surface water from Hoover Reservoir on Big Walnut Creek. The most recent Columbus data puts that plant’s average hardness at about 98 ppm, or roughly 5.7 grains per gallon, with a range of 85 to 118 ppm.
Where Can I Get A Water Quality Report?
You can access Gahanna’s annual Water Quality Report. This 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 Gahanna, OH Tap Water
Is Gahanna tap water safe to drink?
Yes. Gahanna’s drinking water meets federal and state drinking water standards for contaminants. The city’s most recent water quality report notes one reporting violation tied to its lead service line notifications, which the city has since resolved. It was a notification issue, not a contaminant exceedance.
Is Gahanna tap water hard?
Yes. Gahanna’s water comes from Columbus’s Hap Cremean Water Plant, which reported average hardness of about 98 ppm, or 5.7 grains per gallon, in the most recent water quality report, with a range of 85 to 118 ppm. That is moderately hard water.
Is there PFAS in Gahanna tap water?
Gahanna’s most recent water quality report does not include PFAS results. Because Gahanna buys its water from Columbus, Columbus is responsible for initial PFAS monitoring, which is due by April 2027, and Columbus has said it will add treatment if needed. Homeowners who want to know what’s in their water today can schedule a free water test with Culligan.
Does Gahanna tap water have fluoride?
Yes. Columbus adds fluoride at the Hap Cremean Water Plant to help protect dental health. Fluoride averaged 0.97 ppm in the most recent water quality report, well below the EPA maximum contaminant level of 4.0 ppm.
Where does Gahanna get its tap water?
Gahanna is a master-meter community that buys all of its water from the City of Columbus. Its supply is surface water from Hoover Reservoir on Big Walnut Creek, treated at Columbus’s Hap Cremean Water Plant on Morse Road. Gahanna operates its own distribution system, testing, and hydrant flushing program. Gahanna buys its water from Columbus, so hardness and fluoride reflect Columbus’s Hap Cremean plant, while chlorine, lead and trihalomethane levels are measured in Gahanna’s own pipes.
How is Gahanna water treated?
Columbus treats Gahanna’s water with a multi-barrier process that includes screening, coagulation, sedimentation, lime softening, pH adjustment, ozone treatment, granular activated carbon filtration, ultraviolet (UV) disinfection, chlorination, fluoride addition, and corrosion control.
Do I need a water softener or filter in Gahanna?
Because Gahanna’s water is moderately hard, many homeowners choose a water softener to reduce scale buildup and improve soap efficiency. Others install reverse osmosis or whole-house filtration to address chlorine taste and odor and disinfection byproducts. Total trihalomethanes in Gahanna’s distribution system averaged 57.9 ppb in the most recent report, below the 80 ppb limit.
How does Gahanna monitor its water quality?
Gahanna and Columbus test for bacteria, lead, copper, nitrate, fluoride, disinfection byproducts, atrazine, turbidity, and other substances, with 529 bacteria samples collected in Gahanna during the most recent reporting year. In the city’s most recent lead and copper sampling, none of the 30 homes tested exceeded the lead action level, and the 90th percentile lead result was 0.5 ppb.
Where can I get a local tap water quality report?
You can access the most recent City of Gahanna Tap Water Quality Report here.
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