ZIP Code 36541
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.
5
PFAS Detected
2
Above EPA Limits
3
Water Systems
785%
Highest % of MCL
Compounds Exceeding EPA Limits
PFOA Exceeds EPA limit
0 ppt MCL: 4 ppt 785% of limit
Detected: 31.40 ppt
PFOS Exceeds EPA limit
0 ppt MCL: 4 ppt 673% of limit
Detected: 26.90 ppt
GRAND BAY WATER WORKS BOARD
AL0000983 High RiskWater Type
Groundwater
PFAS Detected
3
Above MCL
2
State
Alabama
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFOA Perfluorooctanoic acid | 31.40ppt | 785% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFOS Perfluorooctane sulfonic acid | 26.90ppt | 673% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFHpA Perfluoroheptanoic acid | 4.40ppt | No federal limit | — | Unregulated |
MOBILE COUNTY WATER & FIRE PRO AUTHORITY
AL0001002 Low LevelWater Type
Groundwater
PFAS Detected
1
Above MCL
0
State
Alabama
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
lithium | 13700.00ppt | No federal limit | — | Unregulated |
ST. ELMO-IRVINGTON WATER AUTHORITY
AL0001031 Low LevelWater Type
Groundwater
PFAS Detected
1
Above MCL
0
State
Alabama
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
6:2 FTS 6:2 Fluorotelomer sulfonic acid | 7.40ppt | No federal limit | — | Unregulated |
Note: ZIP code 36541 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.