ZIP Code 35904
High RiskPFAS above EPA limits detected
4 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.
16
PFAS Detected
4
Above EPA Limits
2
Water Systems
810%
Highest % of MCL
Compounds Exceeding EPA Limits
PFOS Exceeds EPA limit
0 ppt MCL: 4 ppt 810% of limit
Detected: 32.40 ppt
PFOA Exceeds EPA limit
0 ppt MCL: 4 ppt 800% of limit
Detected: 32.00 ppt
GADSDEN WATER WORKS AND SEWER BOARD
AL0000577 High RiskWater Type
Surface Water
PFAS Detected
8
Above MCL
2
State
Alabama
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFOS Perfluorooctane sulfonic acid | 32.40ppt | 810% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFOA Perfluorooctanoic acid | 32.00ppt | 800% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFHxS Perfluorohexane sulfonic acid | 4.20ppt | 42% of limit
| 10 ppt | Below limit |
PFBS Perfluorobutane sulfonic acid | 155.40ppt | No federal limit | — | Unregulated |
PFPeA Perfluoropentanoic acid | 56.50ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 34.90ppt | No federal limit | — | Unregulated |
PFBA Perfluorobutanoic acid | 19.10ppt | No federal limit | — | Unregulated |
PFHpA Perfluoroheptanoic acid | 11.70ppt | No federal limit | — | Unregulated |
HIGHLAND WATER AUTHORITY
AL0000580 High RiskWater Type
Surface Water
PFAS Detected
8
Above MCL
2
State
Alabama
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFOS Perfluorooctane sulfonic acid | 27.80ppt | 695% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFOA Perfluorooctanoic acid | 26.70ppt | 668% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFHxS Perfluorohexane sulfonic acid | 3.10ppt | 31% of limit
| 10 ppt | Below limit |
PFBS Perfluorobutane sulfonic acid | 134.30ppt | No federal limit | — | Unregulated |
PFPeA Perfluoropentanoic acid | 50.80ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 30.90ppt | No federal limit | — | Unregulated |
PFBA Perfluorobutanoic acid | 17.60ppt | No federal limit | — | Unregulated |
PFHpA Perfluoroheptanoic acid | 11.60ppt | No federal limit | — | Unregulated |
Note: ZIP code 35904 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.