Public Water Systems
2,823 active water systems in MO.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| MO AMERICAN ST LOUIS ST CHARLES COUNTIES | CHESTERFIELD, MO | 1,111,000 | 9 | Detected |
| KANSAS CITY PWS | KANSAS CITY, MO | 513,800 | 23 | Detected |
| ST LOUIS CITY PWS | ST LOUIS, MO | 304,709 | 27 | Detected |
| SPRINGFIELD PWS | SPRINGFIELD, MO | 210,898 | 4 | Detected |
| CITY OF COLUMBIA UTILITIES | COLUMBIA, MO | 126,254 | 7 | Detected |
| INDEPENDENCE PWS | INDEPENDENCE, MO | 120,000 | 11 | Detected |
| ST CHARLES COUNTY PWSD 2 | O FALLON, MO | 100,587 | 18 | Detected |
| LEES SUMMIT PWS | LEES SUMMIT, MO | 99,400 | 33 | Detected |
| MO AMERICAN ST JOSEPH | ST JOSEPH, MO | 89,171 | 1 | Detected |
| MO AMERICAN JOPLIN | JOPLIN, MO | 73,728 | 10 | Detected |
| ST CHARLES PWS | ST CHARLES, MO | 73,040 | 14 | Detected |
| BLUE SPRINGS PWS | BLUE SPRINGS, MO | 61,084 | 10 | Detected |
| ST PETERS PWS | ST PETERS, MO | 52,575 | 7 | Detected |
| WENTZVILLE PWS | WENTZVILLE, MO | 41,784 | 30 | Detected |
| UNIVERSITY OF MISSOURI COLUMBIA | COLUMBIA, MO | 40,000 | 14 | Detected |
| CAPE GIRARDEAU PWS | CAPE GIRARDEAU, MO | 39,941 | 71 | Detected |
| JEFFERSON CO CONS PWSD C 1 | BARNHART, MO | 37,000 | 4 | Clean |
| FORT LEONARD WOOD | FORT LEONARD WOOD, MO | 34,000 | 54 | Detected |
| OFALLON PWS | O FALLON, MO | 32,515 | 13 | Detected |
| LIBERTY PWS | LIBERTY, MO | 30,800 | 115 | Detected |
| MO AMERICAN JEFFERSON CITY DISTRICT | JEFFERSON CITY, MO | 30,075 | 50 | Detected |
| KIRKWOOD PWS | KIRKWOOD, MO | 28,000 | 0 | Detected |
| GLADSTONE PWS | GLADSTONE, MO | 27,000 | 1 | Detected |
| BOONE COUNTY CONS PWSD 1 | COLUMBIA, MO | 24,700 | 22 | Detected |
| NIXA PWS | NIXA, MO | 24,532 | 84 | Clean |
| JACKSON COUNTY PWSD 1 | GRANDVIEW, MO | 24,500 | 2 | Detected |
| BELTON PWS | BELTON, MO | 23,598 | 32 | Detected |
| OZARK PWS | OZARK, MO | 22,000 | 54 | Detected |
| SEDALIA PWS | SEDALIA, MO | 21,725 | 60 | Detected |
| RAYMORE PWS | RAYMORE, MO | 21,517 | 33 | Detected |
| JEFFERSON COUNTY PWSD 1 | ARNOLD, MO | 21,113 | 2 | Clean |
| ROLLA PWS | ROLLA, MO | 20,800 | 7 | Clean |
| MO AMERICAN WARRENSBURG | JOPLIN, MO | 18,500 | 10 | Detected |
| FARMINGTON PWS | FARMINGTON, MO | 18,217 | 551 | Detected |
| KIRKSVILLE PWS | KIRKSVILLE, MO | 17,566 | 114 | Detected |
| HANNIBAL PWS | HANNIBAL, MO | 17,108 | 178 | Detected |
| RAYTOWN WATER COMPANY | RAYTOWN, MO | 17,066 | 29 | Detected |
| POPLAR BLUFF PWS | POPLAR BLUFF, MO | 17,043 | 192 | Clean |
| JEFFERSON COUNTY PWSD 3 | ARNOLD, MO | 17,000 | 5 | Clean |
| MO AMERICAN PLATTE COUNTY | PARKVILLE, MO | 16,645 | 4 | Detected |
| COLE COUNTY PWSD 1 | JEFFERSON CITY, MO | 16,548 | 6 | Detected |
| JEFFERSON COUNTY PWSD 2 | EUREKA, MO | 16,548 | 78 | Clean |
| JACKSON COUNTY PWSD 2 | RAYTOWN, MO | 16,440 | 19 | Detected |
| SIKESTON PWS | SIKESTON, MO | 16,291 | 29 | Detected |
| REPUBLIC PWS | REPUBLIC, MO | 16,100 | 42 | Detected |
| GRAIN VALLEY PWS | GRAIN VALLEY, MO | 16,000 | 30 | Detected |
| LEBANON PWS | LEBANON, MO | 15,442 | 51 | Clean |
| BOONE COUNTY PWSD 9 | COLUMBIA, MO | 15,035 | 90 | Detected |
| JACKSON PWS | JACKSON, MO | 15,000 | 9 | Detected |
| CARTHAGE PWS | CARTHAGE, MO | 14,600 | 11 | Detected |
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