PFAS in Louisiana Water
Based on EPA UCMR 5 testing of 47 public water systems in Louisiana.
See Louisiana on the national heatmap47
Systems Tested
47
With PFAS Detected
7
Above EPA Limits
15%
Exceed MCL
Most Commonly Detected PFAS in Louisiana
Systems with detections · EPA UCMR 5 (2023–2025)
PFBA 36 systems
PFPeA 12 systems
PFOS 7 systems
PFBS 5 systems
PFOA 5 systems
PFHxA 5 systems
Check your Louisiana ZIP code
Get specific results for your neighborhood's water utility.
Water Systems in Louisiana (47)
Click any row to see ZIP-level details| Water System | PWSID | PFAS Detected | Above MCL | Risk |
|---|---|---|---|---|
| CITY OF VIDALIA WATER SYSTEM Groundwater | LA1029011 | 8 | 2 | High Risk |
| NEW ORLEANS CARROLLTON WW Surface Water | LA1071009 | 6 | 2 | High Risk |
| CITY OF PLAQUEMINE WATER SYSTEM Groundwater | LA1047005 | 5 | 2 | High Risk |
| VILLAGE OF PARKS WATER SYSTEM Groundwater | LA1099008 | 4 | 2 | High Risk |
| PARISH UTILITIES OF ASCENSION Surface Water | LA1005035 | 3 | 1 | High Risk |
| NEW ORLEANS ALGIERS WATER WORKS Surface Water | LA1071001 | 3 | 1 | High Risk |
| PORT SULPHUR WATER DISTRICT Surface Water | LA1075006 | 2 | 1 | High Risk |
| ST MARY PARISH W&S #2 BAYOU VISTA Surface Water | LA1101015 | 3 | 0 | Low Level |
| ASSUMPTION PARISH WW DISTRICT 1 Surface Water | LA1007001 | 2 | 0 | Low Level |
| ST JOHN WATER DISTRICT 2 Surface Water | LA1095002 | 2 | 0 | Low Level |
| PATTERSON WATER SYSTEM Surface Water | LA1101006 | 2 | 0 | Low Level |
| HOUMA WATER TREATMENT SERVICE AREA Surface Water | LA1109001 | 2 | 0 | Low Level |
| SCHRIEVER WATER TREATMENT SERVICE AREA Surface Water | LA1109002 | 2 | 0 | Low Level |
| FARMERVILLE WATER SYSTEM Groundwater | LA1111005 | 2 | 0 | Low Level |
| SOUTHWEST ALLEN WW DISTRICT NO 2 Groundwater | LA1003009 | 1 | 0 | Low Level |
| TOWN OF BENTON WATER SYSTEM Surface Water | LA1015002 | 1 | 0 | Low Level |
| VILLAGE WATER SYSTEM Groundwater | LA1015018 | 1 | 0 | Low Level |
| TOWN OF GREENWOOD WATER SYSTEM Surface Water | LA1017014 | 1 | 0 | Low Level |
| PINEHILL WATERWORKS DISTRICT Surface Water | LA1017027 | 1 | 0 | Low Level |
| SHREVEPORT WATER SYSTEM Surface Water | LA1017031 | 1 | 0 | Low Level |
| MANSFIELD WATER SYSTEM Surface Water | LA1031009 | 1 | 0 | Low Level |
| DESOTO PARISH WATER WORKS DISTRICT 1 Surface Water | LA1031030 | 1 | 0 | Low Level |
| CITY OF JEANERETTE WATER SYSTEM Groundwater | LA1045004 | 1 | 0 | Low Level |
| INTRACOASTAL WATER SYSTEM WEST Surface Water | LA1047002 | 1 | 0 | Low Level |
| E JEFFERSON WW DISTRICT 1 Surface Water | LA1051001 | 1 | 0 | Low Level |
| GRETNA WATERWORKS Surface Water | LA1051003 | 1 | 0 | Low Level |
| W JEFFERSON WW DISTRICT 2 Surface Water | LA1051004 | 1 | 0 | Low Level |
| LAFOURCHE WATER DISTRICT 1 Surface Water | LA1057001 | 1 | 0 | Low Level |
| NATCHITOCHES WATER SYSTEM Surface Water | LA1069007 | 1 | 0 | Low Level |
| MONROE WATER SYSTEM, LA Surface Water | LA1073031 | 1 | 0 | Low Level |
| TOWN & COUNTRY SERVICE Surface Water | LA1073054 | 1 | 0 | Low Level |
| BELLE CHASSE WATER DISTRICT Surface Water | LA1075001 | 1 | 0 | Low Level |
| POINTE COUPEE WATER WORKS DISTRICT 1 Groundwater | LA1077043 | 1 | 0 | Low Level |
| RAYVILLE WATER SYSTEM Groundwater | LA1083006 | 1 | 0 | Low Level |
| SOUTH TOLEDO BEND WATER DISTRICT Surface Water | LA1085055 | 1 | 0 | Low Level |
| ST CHARLES PARISH DEPT OF WATERWORKS Surface Water | LA1089001 | 1 | 0 | Low Level |
| GRAMERCY WATERWORKS Surface Water | LA1093002 | 1 | 0 | Low Level |
| LUTCHER WATERWORKS Surface Water | LA1093003 | 1 | 0 | Low Level |
| ST JAMES WATER DISTRICT 2 Surface Water | LA1093005 | 1 | 0 | Low Level |
| ST JOHN WATER DISTRICT 1 Surface Water | LA1095003 | 1 | 0 | Low Level |
| FRANKLIN WATER SUPPLY Surface Water | LA1101003 | 1 | 0 | Low Level |
| ST MARY WATER & SEWER COMM #3 Surface Water | LA1101010 | 1 | 0 | Low Level |
| WATER & SEWER COMMISSION 4 OF ST MARY Surface Water | LA1101011 | 1 | 0 | Low Level |
| TOWN OF BERWICK Surface Water | LA1101014 | 1 | 0 | Low Level |
| ST TAM PARISH - CROSS GATES SD Groundwater | LA1103053 | 1 | 0 | Low Level |
| TENSAS WATER DISTRICT ASSOCIATION Surface Water | LA1107009 | 1 | 0 | Low Level |
| CITY OF ABBEVILLE WATER SYSTEM Groundwater | LA1113001 | 1 | 0 | Low Level |