ZIP Code 70380
Low Level7
PFAS Detected
0
Above EPA Limits
3
Water Systems
N/A
Highest % of MCL
ASSUMPTION PARISH WW DISTRICT 1
LA1007001 Low LevelWater Type
Surface Water
PFAS Detected
3
Above MCL
0
State
Louisiana
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
lithium | 15700.00ppt | No federal limit | — | Unregulated |
6:2 FTS 6:2 Fluorotelomer sulfonic acid | 15.00ppt | No federal limit | — | Unregulated |
PFBA Perfluorobutanoic acid | 6.10ppt | No federal limit | — | Unregulated |
MORGAN CITY WATER SYSTEM, LA
LA1101005 Low LevelWater Type
Surface Water
PFAS Detected
1
Above MCL
0
State
Louisiana
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
lithium | 12000.00ppt | No federal limit | — | Unregulated |
ST MARY PARISH W&S #2 BAYOU VISTA
LA1101015 Low LevelWater Type
Surface Water
PFAS Detected
3
Above MCL
0
State
Louisiana
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFBA Perfluorobutanoic acid | 6.90ppt | No federal limit | — | Unregulated |
PFPeA Perfluoropentanoic acid | 3.10ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 3.00ppt | No federal limit | — | Unregulated |
Note: ZIP code 70380 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.