ZIP Code 37047
High RiskPFAS above EPA limits detected
5 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.
15
PFAS Detected
5
Above EPA Limits
3
Water Systems
275%
Highest % of MCL
Compounds Exceeding EPA Limits
PFOA Exceeds EPA limit
0 ppt MCL: 4 ppt 275% of limit
Detected: 11.00 ppt
PFOS Exceeds EPA limit
0 ppt MCL: 4 ppt 125% of limit
Detected: 5.00 ppt
MARSHALL CO BD P.U. #1
TN0000105 High RiskWater Type
Surface Water
PFAS Detected
7
Above MCL
2
State
Tennessee
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFOA Perfluorooctanoic acid | 11.00ppt | 275% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFOS Perfluorooctane sulfonic acid | 5.00ppt | 125% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFBS Perfluorobutane sulfonic acid | 34.00ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 27.00ppt | No federal limit | — | Unregulated |
PFPeA Perfluoropentanoic acid | 20.00ppt | No federal limit | — | Unregulated |
PFBA Perfluorobutanoic acid | 13.00ppt | No federal limit | — | Unregulated |
PFHpA Perfluoroheptanoic acid | 3.80ppt | No federal limit | — | Unregulated |
LEWISBURG WATER SYSTEM
TN0000400 High RiskWater Type
Surface Water
PFAS Detected
6
Above MCL
2
State
Tennessee
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFOA Perfluorooctanoic acid | 8.80ppt | 220% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFOS Perfluorooctane sulfonic acid | 5.30ppt | 133% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFBS Perfluorobutane sulfonic acid | 9.20ppt | No federal limit | — | Unregulated |
PFBA Perfluorobutanoic acid | 6.50ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 5.50ppt | No federal limit | — | Unregulated |
PFPeA Perfluoropentanoic acid | 4.70ppt | No federal limit | — | Unregulated |
FAIRVIEW UTILITY DISTRICT
TN0000563 High RiskWater Type
Surface Water
PFAS Detected
2
Above MCL
1
State
Tennessee
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFOS Perfluorooctane sulfonic acid | 6.20ppt | 155% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFBS Perfluorobutane sulfonic acid | 3.00ppt | No federal limit | — | Unregulated |
Note: ZIP code 37047 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.