ZIP Code 70471
Low Level4
PFAS Detected
0
Above EPA Limits
4
Water Systems
N/A
Highest % of MCL
BEAU CHENE WATER SYSTEM
LA1103006 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 | 12700.00ppt | No federal limit | — | Unregulated |
MANDEVILLE WATER SUPPLY
LA1103023 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 | 14600.00ppt | No federal limit | — | Unregulated |
ST TAM PARISH - BRIARWOOD TERRACE
LA1103079 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 | 12600.00ppt | No federal limit | — | Unregulated |
MAGNOLIA WATER UTILITIES - GREENLEAVES
LA1103118 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 | 12700.00ppt | No federal limit | — | Unregulated |
Note: ZIP code 70471 is served by 4 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.