Louisiana PFAS compliance
PFAS contamination data for 500 water systems in Louisiana, serving 5,300,742 people.
Total systems
500
Exceed MCL
7
At risk
0
Compliant
243
Settlement eligible
208
Louisiana PFAS regulatory overview
State standards
Louisiana follows federal EPA MCLs (PFOA/PFOS: 4 ppt).
LA follows federal EPA MCLs. PFAS investigation at industrial and military sites.
Regulatory agency
Louisiana follows federal EPA MCLs. PFAS investigation ongoing at petrochemical facilities and military installations.
Get weekly PFAS compliance alerts for Louisiana
Water systems
| System | City | Population | PFOA (ppt) | PFOS (ppt) | Status |
|---|---|---|---|---|---|
| BATON ROUGE WATER COMPANY LA1033005 | BATON ROUGE | 596,844 | — | — | Compliant |
| NEW ORLEANS CARROLLTON WATER WORKS LA1071009 | NEW ORLEANS | 334,903 | 4.1 | 4.2 | Exceeds |
| E JEFFERSON WW DISTRICT 1 LA1051001 | JEFFERSON | 275,163 | — | — | Compliant |
| SHREVEPORT WATER SYSTEM LA1017031 | SHREVEPORT | 192,378 | — | — | Compliant |
| LAFAYETTE UTILITIES WATER SYSTEM LA1055017 | LAFAYETTE | 169,389 | — | — | Compliant |
| W JEFFERSON WW DISTRICT 2 LA1051004 | JEFFERSON | 140,264 | — | — | Compliant |
| SCHRIEVER WATER TREATMENT SERVICE AREA LA1109002 | HOUMA | 116,460 | — | — | Compliant |
| LAFOURCHE WATER DISTRICT 1 LA1057001 | LOCKPORT | 81,609 | — | — | Compliant |
| CITY OF LAKE CHARLES WATER SYSTEM LA1019029 | LAKE CHARLES | 79,500 | — | — | Compliant |
| CITY OF BOSSIER CITY WATER SYSTEM LA1015004 | BOSSIER CITY | 78,960 | — | — | Compliant |
| WARD II WATER DISTRICT LA1063039 | DENHAM SPRINGS | 73,506 | — | — | Compliant |
| TANGIPAHOA PARISH WATER DISTRICT LA1105008 | HAMMOND | 72,504 | — | — | Compliant |
| CITY OF ALEXANDRIA WATER SYSTEM LA1079001 | ALEXANDRIA | 66,798 | — | — | Compliant |
| NEW IBERIA WATER SYSTEM (LAWCO) LA1045009 | BATON ROUGE | 59,928 | — | — | Compliant |
| MONROE WATER SYSTEM LA1073031 | MONROE | 57,000 | — | — | Compliant |
| ST CHARLES PARISH DEPT OF WATERWORKS LA1089001 | LULING | 52,879 | — | — | Compliant |
| NEW ORLEANS ALGIERS WATER WORKS LA1071001 | NEW ORLEANS | 52,785 | 4 | 4.5 | Exceeds |
| ST BERNARD PARISH WATERWORKS LA1087001 | CHALMETTE | 44,783 | — | — | Compliant |
| SLIDELL WATER SUPPLY LA1103041 | SLIDELL | 35,547 | — | — | Compliant |
| ST JOHN WATER DISTRICT 3 LA1095007 | LAPLACE | 31,965 | — | — | Compliant |
| ZACHARY WATER SYSTEM LA1033030 | ZACHARY | 31,569 | — | — | Compliant |
| NATCHITOCHES WATER SYSTEM LA1069007 | NATCHITOCHES | 27,693 | — | — | Compliant |
| CITY OF DENHAM SPRINGS WATER SYSTEM LA1063004 | DENHAM SPRINGS | 25,725 | — | — | Compliant |
| SULPHUR CITY OF WATER SYSTEM LA1019044 | SULPHUR | 24,489 | — | — | Compliant |
| VERMILION WATERWORKS DISTRICT 1 LA1113034 | MAURICE | 24,132 | — | — | Compliant |
| BEAUREGARD WATER WORKS DIST #3 LA1011008 | LONGVILLE | 24,000 | — | — | Compliant |
| RUSTON WATER SYSTEM LA1061017 | RUSTON | 22,468 | — | — | Compliant |
| ASSUMPTION PARISH WW DISTRICT 1 LA1007001 | NAPOLEONVILLE | 21,366 | — | — | Compliant |
| CITY OF HAMMOND WATER SYSTEM LA1105009 | HAMMOND | 21,135 | — | — | Compliant |
| CALCASIEU PARISH WW DISTRICT NO 1 LA1019051 | LAKE CHARLES | 20,837 | — | — | Compliant |
| CITY OF OPELOUSAS WATER SYSTEM LA1097010 | OPELOUSAS | 20,388 | — | — | Compliant |
| CITY OF PINEVILLE WATER SYSTEM LA1079016 | PINEVILLE | 20,358 | — | — | Compliant |
| RAPIDES PARISH WATERWORKS DISTRICT 3 LA1079017 | TIOGA | 19,983 | — | — | Compliant |
| BELLE CHASSE WATER DISTRICT LA1075001 | BELLE CHASSE | 19,644 | — | — | Compliant |
| ST TAM PARISH- BEDICO -FAUBOURG-COQUILLE LA1103149 | COVINGTON | 18,372 | — | — | Compliant |
| BASTROP WATER SYSTEM LA1067003 | BASTROP | 18,105 | — | — | Compliant |
| CROWLEY WATER SYSTEM (LAWCO) LA1001002 | BATON ROUGE | 17,733 | — | — | Compliant |
| ST TAM PARISH - BRIARWOOD TERRACE LA1103079 | COVINGTON | 17,536 | — | — | Compliant |
| GRETNA WATERWORKS LA1051003 | GRETNA | 17,026 | — | — | Compliant |
| LPWDN NORTH REGION LA1055191 | LAFAYETTE | 16,833 | — | — | Compliant |
| CITY OF GONZALES WATER SYSTEM LA1005030 | GONZALES | 16,806 | — | — | Compliant |
| BLANCHARD WATER SYSTEM LA1017006 | BLANCHARD | 16,326 | — | — | Compliant |
| MINDEN WATER SYSTEM LA1119021 | MINDEN | 16,281 | — | — | Compliant |
| COVINGTON WATER SUPPLY LA1103011 | COVINGTON | 16,185 | — | — | Compliant |
| WEST MONROE WATER SYSTEM LA1073056 | WEST MONROE | 16,005 | — | — | Compliant |
| WALKER WATER SYSTEM LA1063017 | WALKER | 15,813 | — | — | Compliant |
| EUNICE WATER SYSTEM (LAWCO) LA1097022 | BATON ROUGE | 15,393 | — | — | Compliant |
| LPWD SOUTH LA1055156 | DUSON | 15,132 | — | — | Compliant |
| THIBODAUX WATERWORKS LA1057003 | THIBODAUX | 14,862 | — | — | Compliant |
| EAST FELICIANA RURAL WATER LA1037004 | ETHEL | 14,829 | — | — | Compliant |
| WEST HWY 80 ARK ROAD WS LA1073055 | WEST MONROE | 14,649 | — | — | Compliant |
| CALCASIEU PARISH WW DIST 9 CARLYSS LA1019116 | SULPHUR | 14,502 | — | — | Compliant |
| CITY OF ABBEVILLE WATER SYSTEM LA1113001 | ABBEVILLE | 14,445 | — | — | Compliant |
| CITY OF DERIDDER WATER SYSTEM LA1011001 | DERIDDER | 14,400 | — | — | Compliant |
| CITY OF PLAQUEMINE WATER SYSTEM LA1047005 | PLAQUEMINE | 14,043 | 6.2 | 6 | Exceeds |
| CITY OF BOGALUSA WATER SYSTEM LA1117001 | BOGALUSA | 14,000 | — | — | Compliant |
| CITY OF BAKER WATER SYSTEM LA1033003 | BAKER | 13,855 | — | — | Compliant |
| WEST BATON ROUGE WATER WORKS DISTRICT 2 LA1121018 | PORT ALLEN | 13,437 | — | — | Compliant |
| GOWC NORTH WATER SYSTEM LA1073120 | WEST MONROE | 13,287 | — | — | Compliant |
| MANDEVILLE WATER SUPPLY LA1103023 | MANDEVILLE | 13,000 | — | — | Compliant |
| BARKSDALE AFB WATER SYSTEM LA1015022 | BARKSDALE AFB | 13,000 | — | — | Compliant |
| VILLAGE OF PARKS WATER SYSTEM LA1099008 | PARKS | 12,801 | 6.4 | 4.3 | Exceeds |
| MORGAN CITY WATER SYSTEM LA1101005 | MORGAN CITY | 12,703 | — | — | Compliant |
| CECILIA WATER CORPORATION LA1099005 | CECILIA | 12,249 | — | — | Compliant |
| BUCKEYE WATER DISTRICT 50 LA1079004 | DEVILLE | 12,078 | — | — | Compliant |
| WEST FELICIANA CONSOL WWKS DISTRICT 13 LA1125010 | ST. FRANCISVILLE | 12,045 | — | — | Compliant |
| GOWC EAST WATER SYSTEM LA1073121 | WEST MONROE | 11,742 | — | — | Compliant |
| HOUMA WATER TREATMENT SERVICE AREA LA1109001 | HOUMA | 11,658 | — | — | Compliant |
| MILTON PURCHASE WATER SYSTEM LA1055196 | MILTON | 11,430 | — | — | Compliant |
| UTILITIES INC - NORTH PARK WATER SUPPLY LA1103124 | MANDEVILLE | 11,298 | — | — | Compliant |
| CHENIERE DREW NORTH WATER SYSTEM LA1073100 | WEST MONROE | 11,280 | — | — | Compliant |
| FORT POLK SOUTH WATER SYSTEM LA1115065 | FORT JOHNSON | 10,902 | — | — | Compliant |
| VILLAGE WATER SYSTEM LA1015018 | BENTON | 10,890 | — | — | Compliant |
| BAYOU LIBERTY WATER ASSOCIATION LA1103005 | SLIDELL | 10,791 | — | — | Compliant |
| SOUTHWEST OUACHITA WATERWORKS, INC LA1073047 | WEST MONROE | 10,725 | — | — | Compliant |
| POINTE COUPEE WATER WORKS DISTRICT 1 LA1077043 | NEW ROADS | 10,629 | — | — | Compliant |
| CITY OF LEESVILLE WATER SYSTEM LA1115019 | LEESVILLE | 10,545 | — | — | Compliant |
| CITY OF CARENCRO WATER SYSTEM LA1055005 | CARENCRO | 10,485 | — | — | Compliant |
| ST JOHN WATER DISTRICT 1 LA1095003 | LAPLACE | 10,484 | — | — | Compliant |
| PORT SULPHUR WATER DISTRICT LA1075006 | BELLE CHASSE | 10,308 | — | 4.6 | Exceeds |
| BAYOU TECHE WATER WORKS LA1099002 | LOREAUVILLE | 10,137 | — | — | Compliant |
| CITY OF JENNINGS WATER SYSTEM LA1053003 | JENNINGS | 9,837 | — | — | Compliant |
| JEFF DAVIS WATER AND SEWER COMMISSION 1 LA1053014 | LAKE ARTHUR | 9,780 | — | — | Compliant |
| PARISH UTILITIES OF ASCENSION LA1005035 | DONALDSONVILLE | 9,732 | — | 4.5 | Exceeds |
| WATER & SEWER COMMISSION 4 OF ST MARY LA1101011 | CHARENTON | 9,709 | — | — | Compliant |
| BROWNVILLE WATER SYSTEM LA1073004 | WEST MONROE | 9,696 | — | — | Compliant |
| CITY OF SCOTT WATER SYSTEM LA1055026 | SCOTT | 9,696 | — | — | Compliant |
| TOWN OF LEONVILLE WATER SYSTEM LA1097005 | LEONVILLE | 9,552 | — | — | Compliant |
| MIRE BRANCH WATER CORPORATION LA1001024 | CHURCH POINT | 9,480 | — | — | Compliant |
| FORT POLK NORTH WATER SYSTEM LA1115064 | FORT JOHNSON | 9,420 | — | — | Compliant |
| KIROLI DARBONNE WS LA1073020 | WEST MONROE | 9,210 | — | — | Compliant |
| NEW ROADS WATER SYSTEM LA1077026 | NEW ROADS | 9,024 | — | — | Compliant |
| CITY OF YOUNGSVILLE PURCHASE WS LA1055195 | YOUNGSVILLE | 8,886 | — | — | Compliant |
| IBERIA WATER WORKS DISTRICT 3 - COTEAU LA1045002 | NEW IBERIA | 8,775 | — | — | Compliant |
| WWKS DISTRICT 2 OF ST HELENA LA1091007 | GREENSBURG | 8,772 | — | — | Compliant |
| MAGNOLIA PLANTATION WATER SYSTEM INC LA1113032 | ABBEVILLE | 8,754 | — | — | Compliant |
| CITY OF BREAUX BRIDGE WATER SYSTEM LA1099003 | BREAUX BRIDGE | 8,754 | — | — | Compliant |
| TOWN OF LIVINGSTON WATER SYSTEM LA1063013 | LIVINGSTON | 8,658 | — | — | Compliant |
| TALLULAH WATER SYSTEM LA1065003 | TALLULAH | 8,601 | — | — | Compliant |
| WESTWEGO WATERWORKS LA1051005 | WESTWEGO | 8,534 | — | — | Compliant |
| PATTERSON WATER SYSTEM LA1101006 | PATTERSON | 8,456 | — | — | Compliant |
| NATCHITOCHES PARISH WWKS DISTRICT 2 LA1069006 | NATCHEZ | 8,415 | — | — | Compliant |
| FRANKLIN WATER SUPPLY LA1101003 | FRANKLIN | 8,325 | — | — | Compliant |
| LEWISBURG BELLEVUE WATER SYSTEM LA1097006 | OPELOUSAS | 8,226 | — | — | Compliant |
| SOUTHWEST ALLEN WW DISTRICT NO 2 LA1003009 | KINDER | 8,106 | — | — | Compliant |
| TOWN OF BENTON WATER SYSTEM LA1015002 | BENTON | 8,037 | — | — | Compliant |
| NORTH FRANKLIN WATER WORKS LA1041003 | CROWVILLE | 7,989 | — | — | Compliant |
| DESOTO PARISH WATER WORKS DISTRICT 1 LA1031030 | MANSFIELD | 7,887 | — | — | Compliant |
| SPRINGHILL WATER SYSTEM LA1119028 | SPRINGHILL | 7,800 | — | — | Compliant |
| ST TAM PARISH - CROSS GATES SD LA1103053 | COVINGTON | 7,791 | — | — | Compliant |
| CITY OF RAYNE WATER SYSTEM LA1001007 | RAYNE | 7,722 | — | — | Compliant |
| NORTH DESOTO WATER SYSTEM LA1031011 | STONEWALL | 7,608 | — | — | Compliant |
| CITY OF MARKSVILLE WATER SYSTEM LA1009011 | MARKSVILLE | 7,593 | — | — | Compliant |
| CITY OF ST MARTINVILLE WATER SYSTEM LA1099007 | ST. MARTINVILLE | 7,575 | — | — | Compliant |
| WINNSBORO WATER SYSTEM LA1041006 | WINNSBORO | 7,518 | — | — | Compliant |
| ST JAMES WATER DISTRICT 2 LA1093005 | CONVENT | 7,513 | — | — | Compliant |
| MANSFIELD WATER SYSTEM LA1031009 | MANSFIELD | 7,512 | — | — | Compliant |
| ST MARY WATER & SEWER COMM #3 LA1101010 | CENTERVILLE | 7,500 | — | — | Compliant |
| SOUTH MONROE WS GOWC LA1073046 | WEST MONROE | 7,335 | — | — | Compliant |
| SAVOY SWORDS WATER SYSTEM INC LA1097024 | EUNICE | 7,326 | — | — | Compliant |
| TOWN OF ALBANY WATER SYSTEM LA1063022 | ALBANY | 7,305 | — | — | Compliant |
| ST JAMES WATER DISTRICT 1 LA1093004 | CONVENT | 7,200 | — | — | Compliant |
| CITY OF WINNFIELD WATER SYSTEM LA1127012 | WINNFIELD | 7,194 | — | — | Compliant |
| SABINE PARISH WATER DISTRICT 1 LA1085036 | MANY | 6,924 | — | — | Compliant |
| CONCORDIA WATERWORKS DISTRICT 1 LA1029003 | FERRIDAY | 6,921 | — | — | Compliant |
| HOUSTON RIVER WATERWORKS DISTRICT 11 LA1019119 | SULPHUR | 6,915 | — | — | Compliant |
| CALCASIEU PARISH WW DISTRICT 8 LA1019118 | LAKE CHARLES | 6,834 | — | — | Compliant |
| SOUTHEAST WATERWORKS DISTRICT 2 LA1113031 | ABBEVILLE | 6,810 | — | — | Compliant |
| PORT ALLEN WATER SYSTEM LA1121014 | PORT ALLEN | 6,759 | — | — | Compliant |
| EBARB WWKS DIST # 1 - AIMWELL AREA LA1085059 | ZWOLLE | 6,738 | — | — | Compliant |
| PONTCHATOULA WATER SYSTEM LA1105019 | PONCHATOULA | 6,657 | — | — | Compliant |
| EAST IBERVILLE WATER SYSTEM LA1047007 | PLAQUEMINE | 6,657 | — | — | Compliant |
| BEAUREGARD DISTRICT NO 2 WARD NO 5 LA1011012 | SINGER | 6,613 | — | — | Compliant |
| CITY OF VILLE PLATTE WATER SYSTEM LA1039010 | VILLE PLATTE | 6,590 | — | — | Compliant |
| INTRACOASTAL WATER SYSTEM WEST LA1047002 | PLAQUEMINE | 6,465 | — | — | Compliant |
| PLAISANCE WATER SYSTEM LA1097012 | OPELOUSAS | 6,375 | — | — | Compliant |
| EAST CENTRAL VERNON WATER SYSTEM LA1115117 | SLAGLE | 6,363 | — | — | Compliant |
| LOUISIANA STATE PENITENTIARY LA1125005 | ANGOLA | 6,362 | — | — | Compliant |
| CITY OF VIDALIA WATER SYSTEM LA1029011 | VIDALIA | 6,354 | 20.1 | 7.3 | Exceeds |
| UTILITIES INC - KINGSPOINT SUBDIVISION LA1103055 | MANDEVILLE | 6,351 | — | — | Compliant |
| JONESBORO WATER SYSTEM LA1049010 | JONESBORO | 6,231 | — | — | Compliant |
| CADEVILLE WATER DISTRICT LA1073060 | WEST MONROE | 6,219 | — | — | Compliant |
| CITY OF JEANERETTE WATER SYSTEM LA1045004 | JEANERETTE | 6,189 | — | — | Compliant |
| CITY OF OAKDALE WATER SYSTEM LA1003006 | OAKDALE | 6,114 | — | — | Compliant |
| PRAIRIE RONDE WATER SYSTEM INC LA1097014 | LAWTELL | 6,090 | — | — | Compliant |
| LEE ROAD WATER CORPORATION LA1103020 | COVINGTON | 6,048 | — | — | Compliant |
| GRAMBLING STATE UNIVERSITY WS LA1061005 | GRAMBLING | 6,000 | — | — | Compliant |
| SOUTH TOLEDO BEND WATER DISTRICT LA1085055 | MANY | 5,943 | — | — | Compliant |
| TOWN OF BERWICK LA1101014 | BERWICK | 5,898 | — | — | Compliant |
| LAKE PROVIDENCE WATER SYSTEM LA1035002 | LAKE PROVIDENCE | 5,850 | — | — | Compliant |
| WATERWORKS DISTRICT 7 LA1017052 | KEITHVILLE | 5,817 | — | — | Compliant |
| TOWN & COUNTRY SERVICE LA1073054 | MONROE | 5,715 | — | — | Compliant |
| JEFF DAVIS CENTRAL WATERWORKS DISTRICT LA1053012 | WELSH | 5,709 | — | — | Compliant |
| FIFTH WARD WATER SYSTEM LA1009007 | MARKSVILLE | 5,676 | — | — | Compliant |
| RAPIDES ISLAND WATER ASSOCIATION INC LA1079020 | BOYCE | 5,658 | — | — | Compliant |
| EAST SIDE WATER SYSTEM LA1039003 | VILLE PLATTE | 5,640 | — | — | Compliant |
| WBR DISTRICT 4 -SECTION ROAD WINTERVILLE LA1121027 | PORT ALLEN | 5,571 | — | — | Compliant |
| CYPRESS BLACK BAYOU WATER SYSTEM LA1015040 | BENTON | 5,520 | — | — | Compliant |
| FARMERVILLE WATER SYSTEM LA1111005 | FARMERVILLE | 5,400 | — | — | Compliant |
| CALCASIEU PARISH WW DISTRICT NO 5 LA1019084 | LAKE CHARLES | 5,388 | — | — | Compliant |
| ST MARY PARISH W&S #2 BAYOU VISTA LA1101015 | PATTERSON | 5,379 | — | — | Compliant |
| DEQUINCY WATER SYSTEM (LAWCO) LA1019008 | BATON ROUGE | 5,370 | — | — | Compliant |
| EGAN WATER CORPORATION LA1001025 | EGAN | 5,358 | — | — | Compliant |
| TOWN OF HAUGHTON WATER SYSTEM LA1015011 | HAUGHTON | 5,355 | — | — | Compliant |
| CALCASIEU PARISH WW DISTRICT NO 4 LA1019053 | WESTLAKE | 5,340 | — | — | Compliant |
| VERNON PARISH WATER AND SEWER COMMISSION LA1115071 | NEW LLANO | 5,295 | — | — | Compliant |
| SOUTH GRANT WATER CORPORATION LA1043008 | BENTLY | 5,289 | — | — | Compliant |
| MONTEREY RURAL WATER SYSTEM INC LA1029007 | MONTEREY | 5,250 | — | — | Compliant |
| TOWN OF GREENWOOD WATER SYSTEM LA1017014 | GREENWOOD | 5,205 | — | — | Compliant |
| ST. TAMMANY WATER DISTRICT #2 LA1103033 | COVINGTON | 5,200 | — | — | Compliant |
| TOWN OF BUNKIE WATER SYSTEM LA1009004 | BUNKIE | 5,169 | — | — | Compliant |
| VILLAGE OF TURKEY CREEK WATER SYSTEM LA1039013 | TURKEY CREEK | 5,169 | — | — | Compliant |
| CITY OF BROUSSARD WATER SYSTEM LA1055003 | BROUSSARD | 5,151 | — | — | Compliant |
| HENDERSON NINA WATER SYSTEM INC LA1099006 | BREAUX BRIDGE | 5,136 | — | — | Compliant |
| KOLIN RUBY WISE WATERWORK DISTRICT 11 A LA1079023 | PINEVILLE | 4,992 | — | — | Compliant |
| GRAMBLING WATER SYSTEM LA1061006 | GRAMBLING | 4,949 | — | — | Compliant |
| PINEHILL WATERWORKS DISTRICT LA1017027 | SHREVEPORT | 4,926 | — | — | Compliant |
| WESTLAKE CITY OF WATER SYSTEM LA1019054 | WESTLAKE | 4,858 | — | — | Compliant |
| RAYVILLE WATER SYSTEM LA1083006 | RAYVILLE | 4,842 | — | — | Compliant |
| TOWN OF WOODWORTH WATER SYSTEM LA1079027 | WOODWORTH | 4,818 | — | — | Compliant |
| CALCASIEU PARISH WW DISTRICT 7 LA1019114 | DEQUINCY | 4,791 | — | — | Compliant |
| LUTCHER WATERWORKS LA1093003 | LUTCHER | 4,781 | — | — | Compliant |
| ST LANDRY WATER WORKS DISTRICT 2 RURAL LA1097033 | SUNSET | 4,761 | — | — | Compliant |
| BEAU CHENE WATER SYSTEM LA1103006 | MANDEVILLE | 4,650 | — | — | Compliant |
| BAYOU DES CANNES WATER SYSTEM LA1039016 | BASILE | 4,578 | — | — | Compliant |
| GARDNER COMMUNITY WATER SYSTEM LA1079010 | BOYCE | 4,566 | — | — | Compliant |
| TOWN OF MAMOU WATER SYSTEM LA1039005 | MAMOU | 4,559 | — | — | Compliant |
| UNITED WATER SYSTEM LA1099009 | ARNAUDVILLE | 4,446 | — | — | Compliant |
| MANY WATER SYSTEM LA1085016 | MANY | 4,428 | — | — | Compliant |
| WEST VERNON PARISH WATERWORKS DISTRICT LA1115121 | ANACOCO | 4,365 | — | — | Compliant |
| TOWN OF SUNSET WATER SYSTEM LA1097015 | SUNSET | 4,356 | — | — | Compliant |
| CITY OF KAPLAN WATER SYSTEM LA1113009 | KAPLAN | 4,340 | — | — | Compliant |
| WBR PUBLIC UTILITIES LA1121008 | PORT ALLEN | 4,329 | — | — | Compliant |
| TOWN OF WELSH WATER SYSTEM LA1053006 | WELSH | 4,311 | — | — | Compliant |
| TOWN OF AMITE WATER SYSTEM LA1105001 | AMITE | 4,300 | — | — | Compliant |
| UTILITIES INC - HAMMOND HEIGHTS LA1105010 | MANDEVILLE | 4,281 | — | — | Compliant |
| SOUTH RAYNE WATER CORPORATION LA1001022 | RAYNE | 4,254 | — | — | Compliant |
| TOWN OF PLAUCHEVILLE WATER SYSTEM LA1009013 | PLAUCHEVILLE | 4,233 | — | — | Compliant |
| VARNADO WATER WORKS LA1117006 | ANGIE | 4,230 | — | — | Compliant |
| BOGUE-LUSA WATER WORKS DISTRICT LA1117009 | ANGIE | 4,200 | — | — | Compliant |
| ARCHIBALD WATER SYSTEM LA1083012 | ARCHIBALD | 4,200 | — | — | Compliant |
| JEFF DAVIS WATER DISTRICT 4 LA1053013 | JENNINGS | 4,194 | — | — | Compliant |
| TOWN OF FERRIDAY WATER SYSTEM LA1029005 | FERRIDAY | 4,193 | — | — | Compliant |
| TOWN OF CHURCH POINT WATER SYSTEM LA1001001 | CHURCH POINT | 4,176 | — | — | Compliant |
| TOWN OF FRANKLINTON WATER SYSTEM LA1117002 | FRANKLINTON | 4,150 | — | — | Compliant |
| LPWD NORTH PRODUCTION FACILITY LA1055171 | LAFAYETTE | 4,122 | — | — | Compliant |
| TANGIPAHOA (SECOND WARD) WATER DISTRICT LA1105077 | HAMMOND | 4,112 | — | — | Compliant |
| TOWN OF VINTON WATER SYSTEM LA1019048 | VINTON | 4,101 | — | — | Compliant |
| SOUTH VERNON PARISH WATERWORKS DISTRICT LA1115118 | ROSEPINE | 4,083 | — | — | Compliant |
| WESLEY CHAPEL WATER SYSTEM LA1061020 | RUSTON | 4,080 | — | — | Compliant |
| DELHI WATER SUPPLY LA1083002 | DELHI | 4,071 | — | — | Compliant |
| VIVIAN WATER SYSTEM LA1017037 | VIVIAN | 4,050 | — | — | Compliant |
| NORTH OF CROWLEY WATER CORPORATION LA1001023 | RAYNE | 4,020 | — | — | Compliant |
| FALSE RIVER WATER COMPANY LA1077041 | NEW ROADS | 4,014 | — | — | Compliant |
| DOW USA, LA DIVISION LA2047003 | PLAQUEMINE | 3,960 | — | — | Compliant |
| TOWN OF ARNAUDVILLE WATER SYSTEM LA1099001 | ARNAUDVILLE | 3,957 | — | — | Compliant |
| POLLOCK AREA WATER SYSTEM INC LA1043017 | POLLOCK | 3,900 | — | — | Compliant |
| AVOYELLES PARISH WATERWORKS DISTRICT 1 LA1009002 | BORDELONVILLE | 3,900 | — | — | Compliant |
| SOUTH CLAIBORNE WATER SYSTEM LA1027006 | ATHENS | 3,843 | — | — | Compliant |
| TENSAS WATER DISTRICT ASSOCIATION LA1107009 | ST JOSEPH | 3,843 | — | — | Compliant |
| TOWN OF PORT BARRE WATER SYSTEM LA1097013 | PORT BARRE | 3,828 | — | — | Compliant |
| KEATCHIE WATER SYSTEM LA1031007 | KEATCHIE | 3,759 | — | — | Compliant |
| LAWTELL WATER WORKS DISTRICT NO 1 LA1097004 | LAWTELL | 3,741 | — | — | Compliant |
| BROUILLETTE WATER SYSTEM INC LA1009003 | MARKSVILLE | 3,732 | — | — | Compliant |
| AVOYELLES WARD ONE WATER SYSTEM INC LA1009016 | EFFIE | 3,726 | — | — | Compliant |
| ST JOHN WATER DISTRICT 2 LA1095002 | LAPLACE | 3,702 | — | — | Compliant |
| ABITA SPRINGS WATER SYSTEM LA1103002 | ABITA SPRINGS | 3,693 | — | — | Compliant |
| TOWN OF IOWA WATER SYSTEM LA1019026 | IOWA | 3,636 | — | — | Compliant |
| TOWN OF JENA WATER SYSTEM LA1059003 | JENA | 3,614 | — | — | Compliant |
| FOREST HILL UTILITIES LA1079009 | FOREST HILL | 3,600 | — | — | Compliant |
| LENA WATER SYSTEM INC LA1079019 | LENA | 3,540 | — | — | Compliant |
| ARCADIA WATER SYSTEM LA1013003 | ARCADIA | 3,508 | — | — | Compliant |
| NEW CARROLL WATER SYSTEM LA1123005 | KILBOURNE | 3,507 | — | — | Compliant |
| CAMERON PARISH WW DISTRICT 11-SWEET LAKE LA1023011 | BELL CITY | 3,507 | — | — | Compliant |
| CONSOLIDATED WATERWORKS DISTRICT 2 LA1067012 | BASTROP | 3,498 | — | — | Compliant |
| RURAL FRANKLINTON WATER LA1117003 | FRANKLINTON | 3,450 | — | — | Compliant |
| HOMER WATER SYSTEM LA1027003 | HOMER | 3,427 | — | — | Compliant |
| TOWN OF PEARL RIVER LA1103157 | PEARL RIVER | 3,333 | — | — | Compliant |
| GREATER WARD 1 WATERWORKS DISTRICT LA1061007 | RUSTON | 3,333 | — | — | Compliant |
| WEST GRANT WATER ASSOCIATION LA1043014 | ALANTA | 3,324 | — | — | Compliant |
| CULBERTSON WATER SYSTEM LA1061024 | CHOUDRANT | 3,300 | — | — | Compliant |
| TOWN OF MARINGOUIN LA1047003 | MARINGOUIN | 3,300 | — | — | Compliant |
| COUSHATTA WATER SYSTEM LA1081001 | COUSHATTA | 3,300 | — | — | Compliant |
| NEW LLANO WATER DEPARTMENT LA1115022 | NEW LLANO | 3,300 | — | — | Compliant |
| TOWN OF ERATH WATER SYSTEM LA1113005 | ERATH | 2,973 | — | — | Compliant |
| GRAMERCY WATERWORKS LA1093002 | GRAMERCY | 2,860 | — | — | Compliant |
| TOWN OF LAKE ARTHUR WATER SYSTEM LA1053005 | LAKE ARTHUR | 2,706 | — | — | Compliant |
| FAIRVIEW UNION WATER SYSTEM LA1081012 | COUSHATTA | 2,346 | — | — | Compliant |
| FOLSOM WATER SUPPLY LA1103014 | FOLSOM | 1,992 | — | — | Compliant |
| PLEASANT VALLEY WATER SYSTEM LA1119023 | MINDEN | 1,683 | — | — | Compliant |