ZIP Code 71351
Low Level4
PFAS Detected
0
Above EPA Limits
4
Water Systems
N/A
Highest % of MCL
TUNICA-BILOXI TRIBE OF LA
061800001 Low LevelWater Type
Groundwater
PFAS Detected
1
Above MCL
0
State
06
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
lithium | 20100.00ppt | No federal limit | — | Unregulated |
BROUILLETTE WATER SYSTEM INC
LA1009003 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 | 17600.00ppt | No federal limit | — | Unregulated |
FIFTH WARD WATER SYSTEM
LA1009007 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 | 24700.00ppt | No federal limit | — | Unregulated |
CITY OF MARKSVILLE WATER SYSTEM
LA1009011 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 | 22500.00ppt | No federal limit | — | Unregulated |
Note: ZIP code 71351 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.