ZIP Code 37343
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
3
Water Systems
875%
Highest % of MCL
Compounds Exceeding EPA Limits
PFOA Exceeds EPA limit
0 ppt MCL: 4 ppt 875% of limit
Detected: 35.00 ppt
PFOS Exceeds EPA limit
0 ppt MCL: 4 ppt 450% of limit
Detected: 18.00 ppt
HIXSON UTILITY DISTRICT
TN0000303 Low LevelWater Type
Groundwater
PFAS Detected
2
Above MCL
0
State
Tennessee
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFHxS Perfluorohexane sulfonic acid | 6.10ppt | 61% of limit
| 10 ppt | Below limit |
PFBS Perfluorobutane sulfonic acid | 10.00ppt | No federal limit | — | Unregulated |
SAVANNAH VALLEY U. D.
TN0000613 High RiskWater Type
Surface Water
PFAS Detected
8
Above MCL
2
State
Tennessee
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFOA Perfluorooctanoic acid | 35.00ppt | 875% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFOS Perfluorooctane sulfonic acid | 18.00ppt | 450% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFHxS Perfluorohexane sulfonic acid | 4.70ppt | 47% of limit
| 10 ppt | Below limit |
PFBS Perfluorobutane sulfonic acid | 49.00ppt | No federal limit | — | Unregulated |
PFPeA Perfluoropentanoic acid | 30.00ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 28.00ppt | No federal limit | — | Unregulated |
PFHpA Perfluoroheptanoic acid | 14.00ppt | No federal limit | — | Unregulated |
PFBA Perfluorobutanoic acid | 13.00ppt | No federal limit | — | Unregulated |
WALDEN'S RIDGE UTILITY DISTRICT
TN0000635 Low LevelWater Type
Groundwater
PFAS Detected
1
Above MCL
0
State
Tennessee
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFBS Perfluorobutane sulfonic acid | 5.10ppt | No federal limit | — | Unregulated |
Note: ZIP code 37343 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.