Louisiana Water Quality
917 water systems serving 5,225,688 people. 26,834 total violations on record.
Safety Grade Distribution
A
303
33%
B
69
8%
C
240
26%
D
82
9%
F
223
24%
917
Water Systems
5,225,688
Population Served
26,834
Total Violations
14,033
Health-Based
Most Contaminated Systems
NEWELLTON WATER SYSTEM
1,100 served305 violations274 recent
F
PENDLETON WATER ASSOCIATION
2,634 served342 violations218 recent
F
TOWN OF FERRIDAY WATER SYSTEM
4,193 served311 violations166 recent
F
VIXEN WATER SYSTEM
774 served336 violations161 recent
F
FAIRVIEW UNION WATER SYSTEM
2,346 served279 violations158 recent
F
FRANKLIN WATER SUPPLY
8,325 served237 violations155 recent
F
BELLWOOD WATER SYSTEM
1,032 served236 violations146 recent
F
LITROE WATER SYSTEM
369 served255 violations130 recent
F
JONES MCGINTY WATER SYSTEM
696 served231 violations129 recent
F
WEST WINN WATER SYSTEM INC
2,064 served196 violations129 recent
F
Cleanest Water Systems
BATON ROUGE WATER COMPANY
596,844 served6 violations
A
E JEFFERSON WW DISTRICT 1
275,163 served1 violations
A
LAFAYETTE UTILITIES WATER SYSTEM
169,389 served0 violations
A
LAFOURCHE WATER DISTRICT 1
81,609 served0 violations
A
CITY OF LAKE CHARLES WATER SYSTEM
79,500 served0 violations
A
CITY OF BOSSIER CITY WATER SYSTEM
78,960 served4 violations
A
WARD II WATER DISTRICT
73,506 served6 violations
A
CITY OF ALEXANDRIA WATER SYSTEM
66,798 served6 violations
A
NEW IBERIA WATER SYSTEM (LAWCO)
59,928 served0 violations
A
ST BERNARD PARISH WATERWORKS
44,783 served12 violations
A
Largest Water Systems in Louisiana
| Water System | Grade | Population | Violations |
|---|---|---|---|
| BATON ROUGE WATER COMPANY | A | 596,844 | 6 |
| NEW ORLEANS CARROLLTON WATER WORKS | D | 334,903 | 16 |
| E JEFFERSON WW DISTRICT 1 | A | 275,163 | 1 |
| SHREVEPORT WATER SYSTEM | F | 192,378 | 87 |
| LAFAYETTE UTILITIES WATER SYSTEM | A | 169,389 | 0 |
| W JEFFERSON WW DISTRICT 2 | C | 140,264 | 7 |
| SCHRIEVER WATER TREATMENT SERVICE AREA | B | 116,460 | 11 |
| LAFOURCHE WATER DISTRICT 1 | A | 81,609 | 0 |
| CITY OF LAKE CHARLES WATER SYSTEM | A | 79,500 | 0 |
| CITY OF BOSSIER CITY WATER SYSTEM | A | 78,960 | 4 |
| WARD II WATER DISTRICT | A | 73,506 | 6 |
| TANGIPAHOA PARISH WATER DISTRICT | C | 72,504 | 3 |
| CITY OF ALEXANDRIA WATER SYSTEM | A | 66,798 | 6 |
| NEW IBERIA WATER SYSTEM (LAWCO) | A | 59,928 | 0 |
| MONROE WATER SYSTEM | C | 57,000 | 4 |
| ST CHARLES PARISH DEPT OF WATERWORKS | B | 52,879 | 2 |
| NEW ORLEANS ALGIERS WATER WORKS | F | 52,785 | 13 |
| ST BERNARD PARISH WATERWORKS | A | 44,783 | 12 |
| SLIDELL WATER SUPPLY | C | 35,547 | 34 |
| ST JOHN WATER DISTRICT 3 | A | 31,965 | 4 |
Contaminants in Louisiana
Cities in Louisiana
BATON ROUGE(14)JEFFERSON(2)NEW ORLEANS(4)LAFAYETTE(18)SHREVEPORT(13)HOUMA(2)LAKE CHARLES(17)WEST MONROE(19)HAMMOND(10)DENHAM SPRINGS(4)COVINGTON(23)LOCKPORT(1)BOSSIER CITY(4)ALEXANDRIA(4)MONROE(3)MANDEVILLE(34)DES PERES(68)LULING(1)SLIDELL(10)LAPLACE(4)SULPHUR(3)CHALMETTE(1)RUSTON(7)OPELOUSAS(3)PLAQUEMINE(6)BENTON(7)BELLE CHASSE(4)ZACHARY(2)PORT ALLEN(5)ABBEVILLE(3)NATCHITOCHES(1)MAURICE(2)MINDEN(11)PINEVILLE(2)NEW ROADS(6)BASTROP(5)LONGVILLE(1)FORT JOHNSON(3)NAPOLEONVILLE(1)VILLE PLATTE(5)MANY(6)TIOGA(1)BROUSSARD(4)YOUNGSVILLE(3)DUSON(4)MANSFIELD(5)MARKSVILLE(4)GRETNA(1)GONZALES(2)BLANCHARD(1)RAYNE(3)WALKER(1)MORGAN CITY(2)THIBODAUX(1)ETHEL(1)CONVENT(2)DERIDDER(1)ST. FRANCISVILLE(2)BOGALUSA(2)JENNINGS(2)BREAUX BRIDGE(3)ST. MARTINVILLE(4)BAKER(1)PATTERSON(2)CHURCH POINT(2)MILTON(4)LIVINGSTON(2)FERRIDAY(3)COUSHATTA(9)BARKSDALE AFB(1)PARKS(1)LAKE ARTHUR(2)FARMERVILLE(6)CECILIA(1)ALBANY(2)TALLULAH(2)WINNFIELD(4)DEVILLE(1)DONALDSONVILLE(2)ZWOLLE(5)GRAMBLING(3)KINDER(2)BOYCE(3)LEESVILLE(3)GILBERT(6)SUNSET(3)CARENCRO(2)WESTLAKE(2)SCOTT(3)LOREAUVILLE(1)GREENSBURG(2)WELSH(2)KEITHVILLE(13)LAWTELL(2)EUNICE(2)CHARENTON(1)ANGIE(5)OAKDALE(4)LEONVILLE(1)HARRISONBURG(5)