ZIP Code 45631
High RiskPFAS above EPA limits detected
3 compounds exceed EPA Maximum Contaminant Levels in water serving this ZIP code. Standard pitcher filters like Brita do not remove PFAS. See filter recommendations below.
4
PFAS Detected
3
Above EPA Limits
3
Water Systems
190%
Highest % of MCL
Compounds Exceeding EPA Limits
PFOA Exceeds EPA limit
0 ppt MCL: 4 ppt 188% of limit
Detected: 7.50 ppt
GALLIA CO RURAL WATER ASSOCIATION
OH2700012 High RiskWater Type
Groundwater
PFAS Detected
2
Above MCL
1
State
Ohio
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFOA Perfluorooctanoic acid | 7.50ppt | 188% of limit
| 4 ppt | ⚠ Exceeds MCL |
lithium | 9650.00ppt | No federal limit | — | Unregulated |
GALLIPOLIS PWS
OH2700112 High RiskWater Type
Groundwater
PFAS Detected
1
Above MCL
1
State
Ohio
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFOA Perfluorooctanoic acid | 7.20ppt | 180% of limit
| 4 ppt | ⚠ Exceeds MCL |
LEADING CREEK CONSERVANCY DISTRICT
OH5300012 High RiskWater Type
Groundwater
PFAS Detected
1
Above MCL
1
State
Ohio
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFOA Perfluorooctanoic acid | 7.60ppt | 190% of limit
| 4 ppt | ⚠ Exceeds MCL |
Note: ZIP code 45631 is served by 3 separate water utilities.
Results above show data for each system independently.
Data source: EPA Unregulated Contaminant Monitoring Rule, 5th cycle (UCMR 5) — January 2026 release.
UCMR 5 tested ~10,000 public water systems serving more than 25 people between 2023-2025 for 29 PFAS compounds.
Detection values represent the highest single-sample result measured at entry points to the distribution system.