OH · 88 COUNTIES
Certified labs and testing options for private well owners in Ohio.
Private well owners in Ohio are responsible for the safety of their own water. Based on groundwater data across the state — particularly pH and Chloride — we recommend the following testing approach.
Tap Score offers certified mail-in testing with results in 5–7 business days, tailored to regional contaminant patterns.
Order a Tap Score Well Water Test →State-certified labs in Ohio:
Where to Have Your Water Tested | Ohioline - Ohio State University → Water Quality - Ohio Department of Health - Confirmed Labs → Drinking Water | Brookside Laboratories, Inc. → Water Testing Services from Benchmark Labs | Columbus, Ohio → EPA-Certified Water Testing • Water Treatment • Q Laboratories → Home | Jones & Henry Laboratories, Inc. → Ohio Water Test Kits - drinkingwaterlabs.com → Watercheck - NTL - Residential & Commercial Water Testing →Based on Ohio groundwater data, the most commonly detected contaminants in private wells are:
Water quality varies significantly by county. Find your county → for a targeted testing recommendation based on local data.
If testing reveals a contaminant of concern, these are the most effective treatment systems for pH — the most commonly detected issue across Ohio well water.