City of Gahanna (OH) Water Quality

City of Gahanna is a large public water system in EPA region 5 that provides tap water for the 43230 zip codes. It has 3 facilities where the water supply was tested for 68 chemical contaminants that impact tap water quality and human health.

The maximum reported level of HAA5 (five regulated haloacetic acids) was 51.59 µg/L. There were 1 contamintants found in the City of Gahanna water supply at levels that were above the minimum reporting level.

• Table of Contents
• Contaminants
• Facilities
• FAQ

Contaminants

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• 1,1-dichloroethane (4)
• 1,2,3-trichloropropane (4)
• 1,3-butadiene (4)
• 1,4-dioxane (4)
• 1-butanol (4)
• 11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (3)
• 1H,1H,2H,2H-perfluorodecane sulfonic acid (3)
• 1H,1H,2H,2H-perfluorohexane sulfonic acid (3)
• 1H,1H,2H,2H-perfluorooctane sulfonic acid (3)
• 2-methoxyethanol (4)
• 2-propen-1-ol (Allyl Alcohol) (4)
• 4,8-dioxa-3H-perfluorononanoic acid (3)
• 9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (3)
• alpha-hexachlorocyclohexane (4)
• anatoxin-a (7)
• bromochloromethane (Halon 1011) (4)
• bromomethane (4)
• Butylated Hydroxyanisole (4)
• chlorate (8)
• chlorodifluoromethane (HCFC-22) (4)
• chloromethane (4)
• chlorpyrifos (4)
• chromium (8)
• chromium-6 (8)
• cobalt (8)
• cylindrospermopsin (7)
• dimethipin (4)
• ethoprop (4)
• Germanium (4)
• HAA5 (five regulated haloacetic acids) (16)
• HAA6Br (six brominated haloacetic acids) (16)
• HAA9 (nine haloacetic acids) (16)
• hexafluoropropylene oxide dimer acid (GenX) (3)
• lithium (3)
• Manganese (4)
• molybdenum (8)
• N-ethyl perfluorooctanesulfonamidoacetic acid (3)
• N-methyl perfluorooctanesulfonamidoacetic acid (3)
• nonafluoro-3,6-dioxaheptanoic acid (3)
• o-toluidine (4)
• oxyfluorfen (4)
• perfluoro(2-ethoxyethane)sulfonic acid (3)
• perfluoro-3-methoxypropanoic acid (3)
• perfluoro-4-methoxybutanoic acid (3)
• perfluorobutanesulfonic acid (7)
• perfluorobutanoic acid (3)
• perfluorodecanoic acid (3)
• perfluorododecanoic acid (3)
• perfluoroheptanesulfonic acid (3)
• perfluoroheptanoic acid (7)
• perfluorohexanesulfonic acid (7)
• perfluorohexanoic acid (3)
• perfluorononanoic acid (7)
• perfluorooctanesulfonic acid (7)
• perfluorooctanoic acid (7)
• perfluoropentanesulfonic acid (3)
• perfluoropentanoic acid (3)
• perfluorotetradecanoic acid (3)
• perfluorotridecanoic acid (3)
• perfluoroundecanoic acid (3)
• profenofos (4)
• quinoline (4)
• strontium (8)
• tebuconazole (4)
• total microcystins (8)
• Total Permethrin (4)
• tribufos (4)
• vanadium (8)

Sampling Facilities

FAQ

Is City of Gahanna tap water safe to drink?

When was City of Gahanna last tested for water contamination?

The latest water samples were taken on May 5th, 2025.