PFAS in Lima, OH Drinking Water
PFAS data for Lima, Ohio · 65,769 residents · 6 ZIP codes
Because PFAS is associated with health effects at sustained elevated exposures, residents in Lima, Ohio may find it useful that local water systems have returned detectable concentrations — facts that bear on long-term household water decisions.
Data: EPA SDWIS, CCR Reports, ECHO Last verified: 2026-05-14
PFAS in Lima Tap Water
PFAS has been detected in Lima, Ohio drinking water at a maximum level of 0.0053 ppt — below the EPA MCL of 4 ppt (PFOA/PFOS individually).
This analysis covers 65,769 residents across 6 ZIP codes in Lima.
Lima's overall water quality grade is C (63/100).
Is PFAS in Lima Water Safe?
PFAS was detected in Lima water but currently falls within EPA limits. However, some health organizations argue the EPA MCL may not be protective enough.
If you are concerned, a reverse osmosis or granular activated carbon filter can reduce pfas levels further.
PFAS Levels by ZIP Code
| ZIP Code | PFAS Level | EPA Limit | Status |
|---|---|---|---|
| 45807 | 10 detections | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 45801 | 6 detections | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 45804 | 6 detections | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 45805 | 6 detections | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
Average pfas level across Lima: 7 ppt
Health Effects of PFAS
- Increased risk of kidney and testicular cancer
- Thyroid disease and immune system suppression
- Reproductive problems and reduced fertility
- Elevated cholesterol and liver effects
- Developmental effects in infants and children
Health risk severity: High. Governed by the PFAS National Primary Drinking Water Regulation (2024).
How PFAS Gets Into Drinking Water
- Firefighting foam (AFFF) used at military bases and airports
- Industrial manufacturing (non-stick coatings, stain-resistant fabrics)
- Wastewater treatment plants that receive industrial discharge
- Landfill leachate from PFAS-containing consumer products
What to Do About PFAS in Lima Water
- Install a reverse osmosis system (most effective — removes 90%+ of PFAS)
- Granular activated carbon (GAC) filters remove some PFAS compounds
- Look for NSF 53 or NSF 58 certification specifically tested for PFAS
- Pitcher filters with activated carbon provide partial reduction
Look for filters certified under NSF 53 / NSF 58 for pfas removal.