ZIP Code 43081
High RiskPFAS above EPA limits detected
2 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.
13
PFAS Detected
2
Above EPA Limits
3
Water Systems
133%
Highest % of MCL
Compounds Exceeding EPA Limits
PFOA Exceeds EPA limit
0 ppt MCL: 4 ppt 105% of limit
Detected: 4.20 ppt
DEL-CO WATER COMPANY, INC.
OH2101412 High RiskWater Type
Groundwater
PFAS Detected
6
Above MCL
1
State
Ohio
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFOA Perfluorooctanoic acid | 4.20ppt | 105% of limit
| 4 ppt | ⚠ Exceeds MCL |
lithium | 12900.00ppt | No federal limit | — | Unregulated |
PFBA Perfluorobutanoic acid | 10.70ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 8.70ppt | No federal limit | — | Unregulated |
PFPeA Perfluoropentanoic acid | 6.30ppt | No federal limit | — | Unregulated |
PFBS Perfluorobutane sulfonic acid | 4.30ppt | No federal limit | — | Unregulated |
WESTERVILLE CITY PWS
OH2503411 Low LevelWater Type
MX
PFAS Detected
1
Above MCL
0
State
Ohio
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFBA Perfluorobutanoic acid | 5.60ppt | No federal limit | — | Unregulated |
COLUMBUS PUBLIC WATER SYSTEM
OH2504412 High RiskWater Type
Groundwater
PFAS Detected
6
Above MCL
1
State
Ohio
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFOA Perfluorooctanoic acid | 5.30ppt | 133% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFHxA Perfluorohexanoic acid | 18.20ppt | No federal limit | — | Unregulated |
PFBA Perfluorobutanoic acid | 17.00ppt | No federal limit | — | Unregulated |
PFPeA Perfluoropentanoic acid | 14.20ppt | No federal limit | — | Unregulated |
PFBS Perfluorobutane sulfonic acid | 11.10ppt | No federal limit | — | Unregulated |
PFHpA Perfluoroheptanoic acid | 4.30ppt | No federal limit | — | Unregulated |
Note: ZIP code 43081 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.