ZIP Code 70582
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.
7
PFAS Detected
2
Above EPA Limits
3
Water Systems
160%
Highest % of MCL
Compounds Exceeding EPA Limits
PFOA Exceeds EPA limit
0 ppt MCL: 4 ppt 160% of limit
Detected: 6.40 ppt
PFOS Exceeds EPA limit
0 ppt MCL: 4 ppt 108% of limit
Detected: 4.30 ppt
BAYOU TECHE WATER WORKS
LA1099002 Low LevelWater Type
Groundwater
PFAS Detected
1
Above MCL
0
State
Louisiana
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
lithium | 17000.00ppt | No federal limit | — | Unregulated |
CITY OF ST MARTINVILLE WATER SYSTEM
LA1099007 Low LevelWater Type
Groundwater
PFAS Detected
1
Above MCL
0
State
Louisiana
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
lithium | 31500.00ppt | No federal limit | — | Unregulated |
VILLAGE OF PARKS WATER SYSTEM
LA1099008 High RiskWater Type
Groundwater
PFAS Detected
5
Above MCL
2
State
Louisiana
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFOA Perfluorooctanoic acid | 6.40ppt | 160% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFOS Perfluorooctane sulfonic acid | 4.30ppt | 108% of limit
| 4 ppt | ⚠ Exceeds MCL |
lithium | 31500.00ppt | No federal limit | — | Unregulated |
PFPeA Perfluoropentanoic acid | 5.10ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 3.30ppt | No federal limit | — | Unregulated |
Note: ZIP code 70582 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.