ZIP Code 30707
High RiskPFAS above EPA limits detected
6 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.
21
PFAS Detected
6
Above EPA Limits
3
Water Systems
1400%
Highest % of MCL
Compounds Exceeding EPA Limits
PFOS Exceeds EPA limit
0 ppt MCL: 4 ppt 385% of limit
Detected: 15.40 ppt
PFOA Exceeds EPA limit
0 ppt MCL: 4 ppt 265% of limit
Detected: 10.60 ppt
CHICKAMAUGA
GA2950000 High RiskWater Type
Groundwater
PFAS Detected
6
Above MCL
2
State
Georgia
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFOS Perfluorooctane sulfonic acid | 15.40ppt | 385% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFOA Perfluorooctanoic acid | 10.60ppt | 265% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFBS Perfluorobutane sulfonic acid | 40.10ppt | No federal limit | — | Unregulated |
PFPeA Perfluoropentanoic acid | 6.00ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 4.60ppt | No federal limit | — | Unregulated |
PFHpA Perfluoroheptanoic acid | 3.30ppt | No federal limit | — | Unregulated |
LAFAYETTE
GA2950002 High RiskWater Type
Groundwater
PFAS Detected
8
Above MCL
2
State
Georgia
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFOS Perfluorooctane sulfonic acid | 56.00ppt | 1400% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFOA Perfluorooctanoic acid | 31.00ppt | 775% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFHxS Perfluorohexane sulfonic acid | 5.20ppt | 52% of limit
| 10 ppt | Below limit |
PFBS Perfluorobutane sulfonic acid | 44.00ppt | No federal limit | — | Unregulated |
PFPeA Perfluoropentanoic acid | 9.20ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 8.00ppt | No federal limit | — | Unregulated |
PFHpA Perfluoroheptanoic acid | 7.60ppt | No federal limit | — | Unregulated |
PFDA Perfluorodecanoic acid | 3.00ppt | No federal limit | — | Unregulated |
WALKER COUNTY WATER AUTHORITY
GA2950003 High RiskWater Type
Groundwater
PFAS Detected
7
Above MCL
2
State
Georgia
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFOS Perfluorooctane sulfonic acid | 22.00ppt | 550% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFOA Perfluorooctanoic acid | 12.00ppt | 300% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFBS Perfluorobutane sulfonic acid | 31.00ppt | No federal limit | — | Unregulated |
PFPeA Perfluoropentanoic acid | 6.90ppt | No federal limit | — | Unregulated |
6:2 FTS 6:2 Fluorotelomer sulfonic acid | 5.10ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 4.70ppt | No federal limit | — | Unregulated |
PFHpA Perfluoroheptanoic acid | 3.80ppt | No federal limit | — | Unregulated |
Note: ZIP code 30707 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.