ZIP Code 30236
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.
11
PFAS Detected
2
Above EPA Limits
2
Water Systems
213%
Highest % of MCL
Compounds Exceeding EPA Limits
PFOS Exceeds EPA limit
0 ppt MCL: 4 ppt 213% of limit
Detected: 8.50 ppt
PFOA Exceeds EPA limit
0 ppt MCL: 4 ppt 210% of limit
Detected: 8.40 ppt
CLAYTON COUNTY WATER AUTHORITY
GA0630000 High RiskWater Type
Surface Water
PFAS Detected
9
Above MCL
2
State
Georgia
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFOS Perfluorooctane sulfonic acid | 8.50ppt | 213% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFOA Perfluorooctanoic acid | 8.40ppt | 210% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFHxS Perfluorohexane sulfonic acid | 6.60ppt | 66% of limit
| 10 ppt | Below limit |
PFPeA Perfluoropentanoic acid | 18.00ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 16.00ppt | No federal limit | — | Unregulated |
PFBA Perfluorobutanoic acid | 6.80ppt | No federal limit | — | Unregulated |
PFBS Perfluorobutane sulfonic acid | 6.50ppt | No federal limit | — | Unregulated |
PFHpA Perfluoroheptanoic acid | 5.50ppt | No federal limit | — | Unregulated |
Show 1 more compound detected at low levels
| 6:2 FTS6:2 Fluorotelomer sulfonic acid | 5.30 ppt | No federal limit |
HENRY COUNTY WATER AUTHORITY, GA
GA1510001 Low LevelWater Type
Surface Water
PFAS Detected
2
Above MCL
0
State
Georgia
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFBA Perfluorobutanoic acid | 6.60ppt | No federal limit | — | Unregulated |
PFBS Perfluorobutane sulfonic acid | 3.00ppt | No federal limit | — | Unregulated |
Note: ZIP code 30236 is served by 2 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.