PFAS in Louisiana Water
Based on EPA UCMR 5 testing of 220 public water systems in Louisiana.
220
Systems Tested
220
With PFAS Detected
7
Above EPA Limits
3%
Exceed MCL
Most Commonly Detected PFAS in Louisiana
Systems with detections · EPA UCMR 5 (2023–2025)
lithium 201 systems
PFBA 36 systems
PFPeA 12 systems
PFOS 7 systems
PFBS 5 systems
PFOA 5 systems
Check your Louisiana ZIP code
Get specific results for your neighborhood's water utility.
Water Systems in Louisiana (220)
Click any row to see ZIP-level details| Water System | PWSID | PFAS Detected | Above MCL | Risk |
|---|---|---|---|---|
| CITY OF VIDALIA WATER SYSTEM Groundwater | LA1029011 | 9 | 2 | High Risk |
| NEW ORLEANS CARROLLTON WW Surface Water | LA1071009 | 7 | 2 | High Risk |
| CITY OF PLAQUEMINE WATER SYSTEM Groundwater | LA1047005 | 6 | 2 | High Risk |
| VILLAGE OF PARKS WATER SYSTEM Groundwater | LA1099008 | 5 | 2 | High Risk |
| PARISH UTILITIES OF ASCENSION Surface Water | LA1005035 | 4 | 1 | High Risk |
| NEW ORLEANS ALGIERS WATER WORKS Surface Water | LA1071001 | 4 | 1 | High Risk |
| PORT SULPHUR WATER DISTRICT Surface Water | LA1075006 | 3 | 1 | High Risk |
| ASSUMPTION PARISH WW DISTRICT 1 Surface Water | LA1007001 | 3 | 0 | Low Level |
| ST JOHN WATER DISTRICT 2 Surface Water | LA1095002 | 3 | 0 | Low Level |
| ST MARY PARISH W&S #2 BAYOU VISTA Surface Water | LA1101015 | 3 | 0 | Low Level |
| HOUMA WATER TREATMENT SERVICE AREA Surface Water | LA1109001 | 3 | 0 | Low Level |
| SCHRIEVER WATER TREATMENT SERVICE AREA Surface Water | LA1109002 | 3 | 0 | Low Level |
| VILLAGE WATER SYSTEM Groundwater | LA1015018 | 2 | 0 | Low Level |
| PINEHILL WATERWORKS DISTRICT Surface Water | LA1017027 | 2 | 0 | Low Level |
| CITY OF JEANERETTE WATER SYSTEM Groundwater | LA1045004 | 2 | 0 | Low Level |
| E JEFFERSON WW DISTRICT 1 Surface Water | LA1051001 | 2 | 0 | Low Level |
| GRETNA WATERWORKS Surface Water | LA1051003 | 2 | 0 | Low Level |
| W JEFFERSON WW DISTRICT 2 Surface Water | LA1051004 | 2 | 0 | Low Level |
| LAFOURCHE WATER DISTRICT 1 Surface Water | LA1057001 | 2 | 0 | Low Level |
| BELLE CHASSE WATER DISTRICT Surface Water | LA1075001 | 2 | 0 | Low Level |
| POINTE COUPEE WATER WORKS DISTRICT 1 Groundwater | LA1077043 | 2 | 0 | Low Level |
| ST CHARLES PARISH DEPT OF WATERWORKS Surface Water | LA1089001 | 2 | 0 | Low Level |
| GRAMERCY WATERWORKS Surface Water | LA1093002 | 2 | 0 | Low Level |
| LUTCHER WATERWORKS Surface Water | LA1093003 | 2 | 0 | Low Level |
| ST JAMES WATER DISTRICT 2 Surface Water | LA1093005 | 2 | 0 | Low Level |
| ST JOHN WATER DISTRICT 1 Surface Water | LA1095003 | 2 | 0 | Low Level |
| PATTERSON WATER SYSTEM Surface Water | LA1101006 | 2 | 0 | Low Level |
| ST MARY WATER & SEWER COMM #3 Surface Water | LA1101010 | 2 | 0 | Low Level |
| ST TAM PARISH - CROSS GATES SD Groundwater | LA1103053 | 2 | 0 | Low Level |
| FARMERVILLE WATER SYSTEM Groundwater | LA1111005 | 2 | 0 | Low Level |
| CITY OF ABBEVILLE WATER SYSTEM Groundwater | LA1113001 | 2 | 0 | Low Level |
| TOWN OF CHURCH POINT WATER SYSTEM Groundwater | LA1001001 | 1 | 0 | Low Level |
| CROWLEY WATER SYSTEM (LAWCO) Groundwater | LA1001002 | 1 | 0 | Low Level |
| CITY OF RAYNE WATER SYSTEM Groundwater | LA1001007 | 1 | 0 | Low Level |
| SOUTH RAYNE WATER CORPORATION Groundwater | LA1001022 | 1 | 0 | Low Level |
| NORTH OF CROWLEY WATER CORPORATION Groundwater | LA1001023 | 1 | 0 | Low Level |
| MIRE BRANCH WATER CORPORATION Groundwater | LA1001024 | 1 | 0 | Low Level |
| EGAN WATER CORPORATION Groundwater | LA1001025 | 1 | 0 | Low Level |
| SOUTHWEST ALLEN WW DISTRICT NO 2 Groundwater | LA1003009 | 1 | 0 | Low Level |
| CITY OF GONZALES WATER SYSTEM Groundwater | LA1005030 | 1 | 0 | Low Level |
| AVOYELLES PARISH WATERWORKS DISTRICT 1 Groundwater | LA1009002 | 1 | 0 | Low Level |
| BROUILLETTE WATER SYSTEM INC Groundwater | LA1009003 | 1 | 0 | Low Level |
| TOWN OF BUNKIE WATER SYSTEM Groundwater | LA1009004 | 1 | 0 | Low Level |
| FIFTH WARD WATER SYSTEM Groundwater | LA1009007 | 1 | 0 | Low Level |
| CITY OF MARKSVILLE WATER SYSTEM Groundwater | LA1009011 | 1 | 0 | Low Level |
| TOWN OF PLAUCHEVILLE WATER SYSTM Groundwater | LA1009013 | 1 | 0 | Low Level |
| AVOYELLES WARD ONE WATER SYSTEM INC Groundwater | LA1009016 | 1 | 0 | Low Level |
| BEAUREGARD WATER WORKS DIST #3 Groundwater | LA1011008 | 1 | 0 | Low Level |
| TOWN OF BENTON WATER SYSTEM Surface Water | LA1015002 | 1 | 0 | Low Level |
| CITY OF BOSSIER CITY WATER SYSTEM Surface Water | LA1015004 | 1 | 0 | Low Level |
| TOWN OF HAUGHTON WATER SYSTEM Groundwater | LA1015011 | 1 | 0 | Low Level |
| TOWN OF GREENWOOD WATER SYSTEM Surface Water | LA1017014 | 1 | 0 | Low Level |
| SHREVEPORT WATER SYSTEM Surface Water | LA1017031 | 1 | 0 | Low Level |
| WATERWORKS DISTRICT 7 Groundwater | LA1017052 | 1 | 0 | Low Level |
| DEQUINCY WATER SYSTEM (LAWCO) Groundwater | LA1019008 | 1 | 0 | Low Level |
| TOWN OF IOWA WATER SYSTEM Groundwater | LA1019026 | 1 | 0 | Low Level |
| CITY OF LAKE CHARLES WATER SYSTEM Groundwater | LA1019029 | 1 | 0 | Low Level |
| SULPHUR CITY OF WATER SYSTEM Groundwater | LA1019044 | 1 | 0 | Low Level |
| TOWN OF VINTON WATER SYSTEM Groundwater | LA1019048 | 1 | 0 | Low Level |
| CALCASIEU PARISH WW DISTRICT NO 1 Groundwater | LA1019051 | 1 | 0 | Low Level |
| CALCASIEU PARISH WW DISTRICT NO 4 Groundwater | LA1019053 | 1 | 0 | Low Level |
| WESTLAKE CITY OF WATER SYSTEM Groundwater | LA1019054 | 1 | 0 | Low Level |
| CALCASIEU PARISH WW DISTRICT NO 5 Groundwater | LA1019084 | 1 | 0 | Low Level |
| CALCASIEU PARISH WW DIST 9 CARLYSS Groundwater | LA1019116 | 1 | 0 | Low Level |
| CALCASIEU PARISH WW DISTRICT 8 Groundwater | LA1019118 | 1 | 0 | Low Level |
| HOUSTON RIVER WATERWORKS DISTRICT 11 Groundwater | LA1019119 | 1 | 0 | Low Level |
| CAMERON PARISH WW DISTRICT 11-SWEET LAKE Groundwater | LA1023011 | 1 | 0 | Low Level |
| CAMERON PARISH WW DISTRICT 9 Groundwater | LA1023012 | 1 | 0 | Low Level |
| HOMER WATER SYSTEM, LA Groundwater | LA1027003 | 1 | 0 | Low Level |
| CONCORDIA WATERWORKS DISTRICT 1 Groundwater | LA1029003 | 1 | 0 | Low Level |
| TOWN OF FERRIDAY WATER SYSTEM Groundwater | LA1029005 | 1 | 0 | Low Level |
| MONTEREY RURAL WATER SYSTEM INC Groundwater | LA1029007 | 1 | 0 | Low Level |
| KEATCHIE WATER SYSTEM Groundwater | LA1031007 | 1 | 0 | Low Level |
| MANSFIELD WATER SYSTEM Surface Water | LA1031009 | 1 | 0 | Low Level |
| NORTH DESOTO WATER SYSTEM Groundwater | LA1031011 | 1 | 0 | Low Level |
| DESOTO PARISH WATER WORKS DISTRICT 1 Surface Water | LA1031030 | 1 | 0 | Low Level |
| CITY OF BAKER WATER SYSTEM Groundwater | LA1033003 | 1 | 0 | Low Level |
| BATON ROUGE WATER COMPANY Groundwater | LA1033005 | 1 | 0 | Low Level |
| ZACHARY WATER SYSTEM Groundwater | LA1033030 | 1 | 0 | Low Level |
| LAKE PROVIDENCE WATER SYSTEM Groundwater | LA1035002 | 1 | 0 | Low Level |
| EAST CARROLL WS SOUTH Groundwater | LA1035007 | 1 | 0 | Low Level |
| EAST FELICIANA RURAL GURLEY RD WS Groundwater | LA1037004 | 1 | 0 | Low Level |
| CHATAIGNIER WATER SYSTEM Groundwater | LA1039002 | 1 | 0 | Low Level |
| EAST SIDE WATER SYSTEM Groundwater | LA1039003 | 1 | 0 | Low Level |
| TOWN OF MAMOU WATER SYSTEM Groundwater | LA1039005 | 1 | 0 | Low Level |
| CITY OF VILLE PLATTE WATER SYSTEM Groundwater | LA1039010 | 1 | 0 | Low Level |
| VILLAGE OF TURKEY CREEK WATER SYSTEM Groundwater | LA1039013 | 1 | 0 | Low Level |
| BAYOU DES CANNES WATER SYSTEM Groundwater | LA1039016 | 1 | 0 | Low Level |
| NORTH FRANKLIN WATER WORKS Groundwater | LA1041003 | 1 | 0 | Low Level |
| SOUTH GRANT WATER CORPORATION Groundwater | LA1043008 | 1 | 0 | Low Level |
| WEST GRANT WATER ASSOCIATION Groundwater | LA1043014 | 1 | 0 | Low Level |
| POLLOCK AREA WATER SYSTEM INC Groundwater | LA1043017 | 1 | 0 | Low Level |
| NEW IBERIA WATER SYSTEM (LAWCO) Groundwater | LA1045009 | 1 | 0 | Low Level |
| INTRACOASTAL WATER SYSTEM WEST Surface Water | LA1047002 | 1 | 0 | Low Level |
| IBERVILLE WATERWORKS DISTRICT #2 Groundwater | LA1047007 | 1 | 0 | Low Level |
| GILLIS LONG CENTER Groundwater | LA1047008 | 1 | 0 | Low Level |
| NORTH IBERVILLE WATER SYSTEM Groundwater | LA1047024 | 1 | 0 | Low Level |
| JONESBORO WATER SYSTEM, LA Groundwater | LA1049010 | 1 | 0 | Low Level |
| WESTWEGO WATERWORKS Surface Water | LA1051005 | 1 | 0 | Low Level |
| CITY OF JENNINGS WATER SYSTEM Groundwater | LA1053003 | 1 | 0 | Low Level |
| TOWN OF LAKE ARTHUR WATER SYSTEM Groundwater | LA1053005 | 1 | 0 | Low Level |
| TOWN OF WELSH WATER SYSTEM Groundwater | LA1053006 | 1 | 0 | Low Level |
| JEFF DAVIS CENTRAL WATERWORKS DISTRICT Groundwater | LA1053012 | 1 | 0 | Low Level |
| JEFF DAVIS WATER DISTRICT 4 Groundwater | LA1053013 | 1 | 0 | Low Level |
| JEFF DAVIS WATER AND SEWER COMMISSION 1 Groundwater | LA1053014 | 1 | 0 | Low Level |
| CITY OF BROUSSARD WATER SYSTEM Groundwater | LA1055003 | 1 | 0 | Low Level |
| CITY OF CARENCRO WATER SYSTEM Groundwater | LA1055005 | 1 | 0 | Low Level |
| LAFAYETTE UTILITIES WATER SYSTEM Groundwater | LA1055017 | 1 | 0 | Low Level |
| CITY OF SCOTT WATER SYSTEM Groundwater | LA1055026 | 1 | 0 | Low Level |
| TESI OSSUN HEIGHTS Groundwater | LA1055140 | 1 | 0 | Low Level |
| LPWD SOUTH Groundwater | LA1055156 | 1 | 0 | Low Level |
| LPWD NORTH PRODUCTION FACILITY Groundwater | LA1055171 | 1 | 0 | Low Level |
| LPWDN NORTH REGION Groundwater | LA1055191 | 1 | 0 | Low Level |
| CITY OF YOUNGSVILLE PURCHASE WS Groundwater | LA1055195 | 1 | 0 | Low Level |
| MILTON PURCHASE WATER SYSTEM Groundwater | LA1055196 | 1 | 0 | Low Level |
| THIBODAUX WATERWORKS Surface Water | LA1057003 | 1 | 0 | Low Level |
| GRAMBLING WATER SYSTEM Groundwater | LA1061006 | 1 | 0 | Low Level |
| RUSTON WATER SYSTEM Groundwater | LA1061017 | 1 | 0 | Low Level |
| CITY OF DENHAM SPRINGS WATER SYSTEM Groundwater | LA1063004 | 1 | 0 | Low Level |
| TOWN OF LIVINGSTON WATER SYSTEM Groundwater | LA1063013 | 1 | 0 | Low Level |
| WALKER WATER SYSTEM Groundwater | LA1063017 | 1 | 0 | Low Level |
| TOWN OF ALBANY WATER SYSTEM Groundwater | LA1063022 | 1 | 0 | Low Level |
| WARD II WATER DISTRICT Groundwater | LA1063039 | 1 | 0 | Low Level |
| TALLULAH WATER SYSTEM Groundwater | LA1065003 | 1 | 0 | Low Level |
| NATCHITOCHES PARISH WWKS DISTRICT 2 Groundwater | LA1069006 | 1 | 0 | Low Level |
| NATCHITOCHES WATER SYSTEM Surface Water | LA1069007 | 1 | 0 | Low Level |
| BROWNVILLE WATER SYSTEM Groundwater | LA1073004 | 1 | 0 | Low Level |
| MONROE WATER SYSTEM, LA Surface Water | LA1073031 | 1 | 0 | Low Level |
| SOUTH MONROE WS GOWC Groundwater | LA1073046 | 1 | 0 | Low Level |
| SOUTHWEST OUACHITA WATERWORKS, INC Groundwater | LA1073047 | 1 | 0 | Low Level |
| TOWN & COUNTRY SERVICE Surface Water | LA1073054 | 1 | 0 | Low Level |
| WEST HWY 80 ARK ROAD WS Groundwater | LA1073055 | 1 | 0 | Low Level |
| WEST MONROE WATER SYSTEM Groundwater | LA1073056 | 1 | 0 | Low Level |
| CADEVILLE WATER DISTRICT Groundwater | LA1073060 | 1 | 0 | Low Level |
| GOWC NORTH WATER SYSTEM Groundwater | LA1073120 | 1 | 0 | Low Level |
| GOWC East Groundwater | LA1073121 | 1 | 0 | Low Level |
| NEW ROADS WATER SYSTEM Groundwater | LA1077026 | 1 | 0 | Low Level |
| FALSE RIVER WATER COMPANY Groundwater | LA1077041 | 1 | 0 | Low Level |
| CITY OF ALEXANDRIA WATER SYSTEM Groundwater | LA1079001 | 1 | 0 | Low Level |
| BUCKEYE WATER DISTRICT 50 Groundwater | LA1079004 | 1 | 0 | Low Level |
| GARDNER COMMUNITY WATER SYSTEM Groundwater | LA1079010 | 1 | 0 | Low Level |
| CITY OF PINEVILLE WATER SYSTEM Groundwater | LA1079016 | 1 | 0 | Low Level |
| RAPIDES PARISH WATERWORKS DISTRICT 3 Groundwater | LA1079017 | 1 | 0 | Low Level |
| LENA WATER SYSTEM INC Groundwater | LA1079019 | 1 | 0 | Low Level |
| RAPIDES ISLAND WATER ASSOCIATION INC Groundwater | LA1079020 | 1 | 0 | Low Level |
| KOLIN RUBY WISE WATERWORK DISTRICT 11 A Groundwater | LA1079023 | 1 | 0 | Low Level |
| TOWN OF WOODWORTH WATER SYSTEM Groundwater | LA1079027 | 1 | 0 | Low Level |
| COUSHATTA WATER SYSTEM Groundwater | LA1081001 | 1 | 0 | Low Level |
| DELHI WATER SUPPLY Groundwater | LA1083002 | 1 | 0 | Low Level |
| RAYVILLE WATER SYSTEM Groundwater | LA1083006 | 1 | 0 | Low Level |
| CITY OF MANY WATER SYSTEM Groundwater | LA1085016 | 1 | 0 | Low Level |
| SABINE PARISH WATER DISTRICT 1 Groundwater | LA1085036 | 1 | 0 | Low Level |
| SOUTH TOLEDO BEND WATER DISTRICT Surface Water | LA1085055 | 1 | 0 | Low Level |
| EBARB WWKS DIST # 1 - AIMWELL AREA Groundwater | LA1085059 | 1 | 0 | Low Level |
| WWKS DISTRICT 2 OF ST HELENA Groundwater | LA1091007 | 1 | 0 | Low Level |
| ST JAMES WATER DISTRICT 1 Surface Water | LA1093004 | 1 | 0 | Low Level |
| LAWTELL WATER WORKS DISTRICT NO 1 Groundwater | LA1097004 | 1 | 0 | Low Level |
| TOWN OF LEONVILLE WATER SYSTEM Groundwater | LA1097005 | 1 | 0 | Low Level |
| LEWISBURG BELLEVUE WATER SYSTEM Groundwater | LA1097006 | 1 | 0 | Low Level |
| CITY OF OPELOUSAS WATER SYSTEM Groundwater | LA1097010 | 1 | 0 | Low Level |
| PLAISANCE WATER SYSTEM Groundwater | LA1097012 | 1 | 0 | Low Level |
| TOWN OF PORT BARRE WATER SYSTEM Groundwater | LA1097013 | 1 | 0 | Low Level |
| PRAIRIE RONDE WATER SYSTEM INC Groundwater | LA1097014 | 1 | 0 | Low Level |
| EUNICE WATER SYSTEM (LAWCO) Groundwater | LA1097022 | 1 | 0 | Low Level |
| SAVOY SWORDS WATER SYSTEM INC Groundwater | LA1097024 | 1 | 0 | Low Level |
| TOWN OF ARNAUDVILLE WATER SYSTEM Groundwater | LA1099001 | 1 | 0 | Low Level |
| BAYOU TECHE WATER WORKS Groundwater | LA1099002 | 1 | 0 | Low Level |
| CITY OF BREAUX BRIDGE WATER SYSTEM Groundwater | LA1099003 | 1 | 0 | Low Level |
| CECILIA WATER CORPORATION Groundwater | LA1099005 | 1 | 0 | Low Level |
| HENDERSON NINA WATER SYSTEM INC Groundwater | LA1099006 | 1 | 0 | Low Level |
| CITY OF ST MARTINVILLE WATER SYSTEM Groundwater | LA1099007 | 1 | 0 | Low Level |
| UNITED WATER SYSTEM Groundwater | LA1099009 | 1 | 0 | Low Level |
| FRANKLIN WATER SUPPLY Surface Water | LA1101003 | 1 | 0 | Low Level |
| MORGAN CITY WATER SYSTEM, LA Surface Water | LA1101005 | 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 |
| ABITA SPRINGS WATER SYSTEM Groundwater | LA1103002 | 1 | 0 | Low Level |
| BAYOU LIBERTY WATER ASSOCIATION Groundwater | LA1103005 | 1 | 0 | Low Level |
| BEAU CHENE WATER SYSTEM Groundwater | LA1103006 | 1 | 0 | Low Level |
| COVINGTON WATER SUPPLY Groundwater | LA1103011 | 1 | 0 | Low Level |
| MAGNOLIA WATER UTILITIES - EDEN ISLES Groundwater | LA1103013 | 1 | 0 | Low Level |
| LEE ROAD WATER CORPORATION Groundwater | LA1103020 | 1 | 0 | Low Level |
| MANDEVILLE WATER SUPPLY Groundwater | LA1103023 | 1 | 0 | Low Level |
| SLIDELL WATER SUPPLY Groundwater | LA1103041 | 1 | 0 | Low Level |
| RESOLVE WHISPERWOOD ESTATES SD WS Groundwater | LA1103046 | 1 | 0 | Low Level |
| UTILITIES INC - KINGSPOINT SUBDIVISION Groundwater | LA1103055 | 1 | 0 | Low Level |
| ST TAM PARISH - BRIARWOOD TERRACE Groundwater | LA1103079 | 1 | 0 | Low Level |
| MAGNOLIA WATER UTILITIES - THE MEADOWS Groundwater | LA1103106 | 1 | 0 | Low Level |
| MAGNOLIA WATER UTILITIES - GREENLEAVES Groundwater | LA1103118 | 1 | 0 | Low Level |
| UTILITIES INC - NORTH PARK WATER SUPPLY Groundwater | LA1103124 | 1 | 0 | Low Level |
| ST TAM PARISH-FAUBOURG-COQUILLE Groundwater | LA1103149 | 1 | 0 | Low Level |
| TANGIPAHOA PARISH WATER DISTRICT Groundwater | LA1105008 | 1 | 0 | Low Level |
| FSWC - HAMMOND HEIGHTS Groundwater | LA1105010 | 1 | 0 | Low Level |
| PONTCHATOULA WATER SYSTEM Groundwater | LA1105019 | 1 | 0 | Low Level |
| TANGIPAHOA (SECOND WARD) WATER DISTRICT Groundwater | LA1105077 | 1 | 0 | Low Level |
| TENSAS WATER DISTRICT ASSOCIATION Surface Water | LA1107009 | 1 | 0 | Low Level |
| CITY OF KAPLAN WATER SYSTEM Groundwater | LA1113009 | 1 | 0 | Low Level |
| SOUTHEAST WATERWORKS DISTRICT 2 Groundwater | LA1113031 | 1 | 0 | Low Level |
| VERMILION WATERWORKS DISTRICT 1 Groundwater | LA1113034 | 1 | 0 | Low Level |
| CITY OF LEESVILLE WATER SYSTEM Groundwater | LA1115019 | 1 | 0 | Low Level |
| NEW LLANO WATER DEPARTMENT Groundwater | LA1115022 | 1 | 0 | Low Level |
| FORT POLK NORTH WATER SYSTEM Groundwater | LA1115064 | 1 | 0 | Low Level |
| FORT POLK SOUTH WATER SYSTEM Groundwater | LA1115065 | 1 | 0 | Low Level |
| VERNON PARISH WATER AND SEWER COMMISSION Groundwater | LA1115071 | 1 | 0 | Low Level |
| EAST CENTRAL VERNON WATER SYSTEM Groundwater | LA1115117 | 1 | 0 | Low Level |
| SOUTH VERNON PARISH WATERWORKS DISTRICT Groundwater | LA1115118 | 1 | 0 | Low Level |
| WEST VERNON PARISH WATERWORKS DISTRICT Groundwater | LA1115121 | 1 | 0 | Low Level |
| TOWN OF FRANKLINTON WATER SYSTEM Groundwater | LA1117002 | 1 | 0 | Low Level |
| BOGUE-LUSA WATER WORKS DISTRICT Groundwater | LA1117009 | 1 | 0 | Low Level |
| DOYLINE WATERWORKS DISTRICT 1 Groundwater | LA1119008 | 1 | 0 | Low Level |
| SPRINGHILL WATER SYSTEM Groundwater | LA1119028 | 1 | 0 | Low Level |
| WBR PUBLIC UTILITIES Groundwater | LA1121008 | 1 | 0 | Low Level |
| PORT ALLEN WATER SYSTEM Groundwater | LA1121014 | 1 | 0 | Low Level |
| WEST BATON ROUGE WATER WORKS DISTRICT 2 Groundwater | LA1121018 | 1 | 0 | Low Level |
| WBR DISTRICT 4 -SECTION ROAD WINTERVILLE Groundwater | LA1121027 | 1 | 0 | Low Level |
| NEW CARROLL WATER SYSTEM Groundwater | LA1123005 | 1 | 0 | Low Level |
| LOUISIANA STATE PENITENTIARY Groundwater | LA1125005 | 1 | 0 | Low Level |
| WEST FELICIANA CONSOL WWKS DISTRICT 13 Groundwater | LA1125010 | 1 | 0 | Low Level |
| DELTECH CORPORATION Groundwater | LA2033025 | 1 | 0 | Low Level |
| DOW USA, LA DIVISION Surface Water | LA2047003 | 1 | 0 | Low Level |