Missouri tap water quality
1,688 community water systems
3.2%
exceed lead action level
(54/1677 systems)
(54/1677 systems)
4.6%
PFOA/PFOS detected
(11/241 systems)
(11/241 systems)
Largest water systems
Lead is the LCR 90th-percentile result; a value above 0.015 mg/L exceeds the
EPA action level. “—” means no lead sample is on file for that system.
| System | City | Population | Lead (p90) |
|---|---|---|---|
| MO AMERICAN ST LOUIS ST CHARLES COUNTIES | 1,111,000 | 0.0037 mg/L | |
| KANSAS CITY PWS | KANSAS CITY | 553,295 | 0.0071 mg/L |
| ST LOUIS CITY PWS | ST. LOUIS | 304,709 | 0.0039 mg/L |
| CITY UTILITIES OF SPRINGFIELD | SPRINGFIELD | 210,898 | 0.0090 mg/L |
| CITY OF COLUMBIA UTILITIES | 126,254 | 0.0046 mg/L | |
| INDEPENDENCE PWS | INDEPENDENCE | 120,000 | 0.0032 mg/L |
| ST CHARLES COUNTY PWSD 2 | 100,587 | 0.0106 mg/L | |
| LEES SUMMIT PWS | LEES SUMMIT | 99,400 | 0.0014 mg/L |
| MO AMERICAN ST JOSEPH | ANDREW | 89,171 | 0.0056 mg/L |
| ST CHARLES PWS | ST. CHARLES | 78,961 | 0.0015 mg/L |
| MO AMERICAN JOPLIN | JOPLIN | 73,728 | 0.0082 mg/L |
| BLUE SPRINGS PWS | BLUE SPRINGS | 61,084 | 0.0030 mg/L |
| ST PETERS PWS | ST. PETERS | 52,575 | 0.0027 mg/L |
| WENTZVILLE PWS | WENTZVILLE | 41,784 | 0.0032 mg/L |
| UNIVERSITY OF MISSOURI COLUMBIA | COLUMBIA | 40,000 | 0.0120 mg/L |
| CAPE GIRARDEAU PWS | CAPE GIRARDEAU | 39,941 | 0.0048 mg/L |
| JEFFERSON CO CONS PWSD C 1 | 37,000 | 0.0074 mg/L | |
| FORT LEONARD WOOD | 34,000 | 0.0086 mg/L | |
| OFALLON PWS | O FALLON | 32,515 | 0.0046 mg/L |
| LIBERTY PWS | LIBERTY | 30,800 | 0.0108 mg/L |
| MO AMERICAN JEFFERSON CITY DISTRICT | JEFFERSON CITY | 30,075 | 0.0023 mg/L |
| KIRKWOOD PWS | KIRKWOOD | 28,000 | 0.0011 mg/L |
| GLADSTONE PWS | GLADSTONE | 27,000 | 0.0061 mg/L |
| BOONE COUNTY CONS PWSD 1 | COLUMBIA | 24,700 | 0.0088 mg/L |
| NIXA PWS | NIXA | 24,532 | 0.0035 mg/L |
| JACKSON COUNTY PWSD 1 | GRANDVIEW | 24,500 | 0.0052 mg/L |
| BELTON PWS | BELTON | 23,598 | 0.0055 mg/L |
| OZARK PWS | OZARK | 22,000 | 0.0043 mg/L |
| SEDALIA PWS | SEDALIA | 21,725 | 0.0040 mg/L |
| RAYMORE PWS | RAYMOOR | 21,517 | 0.0042 mg/L |
| JEFFERSON COUNTY PWSD 1 | 21,113 | 0.0061 mg/L | |
| ROLLA PWS | ROLLA | 20,800 | 0.0050 mg/L |
| MO AMERICAN WARRENSBURG | WARRENSBURG | 18,500 | 0.0042 mg/L |
| FARMINGTON PWS | FARMINGTON | 18,217 | 0.0120 mg/L |
| KIRKSVILLE PWS | KIRKSVILLE | 17,566 | 0.0048 mg/L |
| HANNIBAL PWS | HANNIBAL | 17,108 | 0.0045 mg/L |
| RAYTOWN WATER COMPANY | RAYTOWN | 17,066 | 0.0028 mg/L |
| POPLAR BLUFF PWS | POPLAR BLUFF | 17,043 | 0.0049 mg/L |
| JEFFERSON COUNTY PWSD 3 | 17,000 | 0.0040 mg/L | |
| MO AMERICAN PLATTE COUNTY | PARKVILLE | 16,645 | 0.0100 mg/L |
| COLE COUNTY PWSD 1 | JEFFERSON CITY | 16,548 | 0.0104 mg/L |
| JEFFERSON COUNTY PWSD 2 | HIGH RIDGE | 16,548 | 0.0013 mg/L |
| JACKSON COUNTY PWSD 2 | RAYTOWN | 16,440 | 0.0018 mg/L |
| SIKESTON PWS | SIKESTON | 16,291 | 0.0039 mg/L |
| REPUBLIC PWS | REPUBLIC | 16,100 | 0.0060 mg/L |
| GRAIN VALLEY PWS | GRAIN VALLEY | 16,000 | 0.0000 mg/L |
| LEBANON PWS | LEBANON | 15,442 | 0.0050 mg/L |
| BOONE COUNTY PWSD 9 | COLUMBIA | 15,035 | 0.0075 mg/L |
| TROY PWS | TROY | 15,000 | 0.0050 mg/L |
| JACKSON PWS | JACKSON | 15,000 | 0.0038 mg/L |
| CARTHAGE PWS | CARTHAGE | 14,600 | 0.0062 mg/L |
| WASHINGTON PWS | WASHINGTON | 14,068 | 0.0066 mg/L |
| LINCOLN COUNTY PWSD 1 | 14,000 | 0.0090 mg/L | |
| MOBERLY PWS | MOBERLY | 13,783 | 0.0105 mg/L |
| WEBB CITY PWS | WEBB CITY | 13,404 | 0.0054 mg/L |
| COLE COUNTY PWSD 2 | JEFFERSON CITY | 13,107 | 0.0092 mg/L |
| CALLAWAY 2 WATER DISTRICT | FULTON | 13,080 | 0.0037 mg/L |
| MO AMERICAN MEXICO | MEXICO | 13,000 | 0.0087 mg/L |
| FESTUS PWS | FESTUS | 13,000 | 0.0070 mg/L |
| MARSHALL PWS | MARSHALL | 12,934 | 0.0092 mg/L |
| MACON CO PWSD 1 | MACON | 12,865 | 0.0085 mg/L |
| WEST PLAINS PWS | WEST PLAINS | 12,864 | 0.0077 mg/L |
| BRANSON PWS | BRANSON | 12,640 | 0.0113 mg/L |
| FULTON PWS | FULTON | 12,600 | 0.0066 mg/L |
| JOHNSON COUNTY PWSD 2 | HOLDEN | 12,490 | 0.0140 mg/L |
| UNION PWS | UNION | 12,348 | 0.0042 mg/L |
| NEOSHO PWS | NEOSHO | 12,157 | 0.0069 mg/L |
| BUTLER COUNTY PWSD 1 | 12,000 | 0.0045 mg/L | |
| CAMERON PWS | CAMERON | 11,963 | 0.0049 mg/L |
| ROLLING OAKS SUBDIVISION | BEVERLY HILLS | 11,572 | 0.0047 mg/L |
| KEARNEY PWS | KEARNEY | 11,500 | 0.0058 mg/L |
| HENRY COUNTY WATER COMPANY | CLINTON | 11,373 | 0.0070 mg/L |
| THOMAS HILL PWSD 1 | MOBERLY | 11,250 | 0.0143 mg/L |
| EXCELSIOR SPRINGS PWS | EXCELSIOR SPGS. | 11,084 | 0.0101 mg/L |
| LIBERTY UTILITIES BOLIVAR | BOLIVAR | 11,000 | 0.0050 mg/L |
| SMITHVILLE PWS | SMITHVILLE | 10,885 | 0.0198 mg/L |
| MARYVILLE PWS | MARYVILLE | 10,775 | 0.0085 mg/L |
| KENNETT PWS | KENNETT | 10,200 | 0.0060 mg/L |
| CHILLICOTHE MUNICIPAL UTILITIES PWS | CHILLICOTHE | 10,187 | 0.0017 mg/L |
| MAGNOLIA-EDEN ISLES | 10,155 | 0.0058 mg/L | |
| WHITEMAN AIR BASE | 10,106 | 0.0064 mg/L | |
| HARRISONVILLE PWS | HARRISONVILLE | 10,019 | 0.0070 mg/L |
| JEFFERSON COUNTY PWSD 10 | 10,000 | 0.0059 mg/L | |
| CALLAWAY COUNTY PWSD 1 | HOLTS SUMMIT | 9,840 | 0.0038 mg/L |
| MONETT PWS | MONETT | 9,789 | 0.0043 mg/L |
| JACKSON COUNTY PWSD 13 | LEES SUMMIT | 9,700 | 0.0044 mg/L |
| VERNON COUNTY CONS PWSD 1 | NEVADA | 9,615 | 0.0024 mg/L |
| PLATTE CO PWSD 4 | PLATTE CITY | 9,552 | 0.0103 mg/L |
| BARTON DADE CEDAR JASP COUNTYCONS PWSD 1 | 9,523 | 0.0034 mg/L | |
| RAY COUNTY CONS PWSD 2 | POLO | 9,360 | 0.0042 mg/L |
| GREENE COUNTY PWSD 1 | BATTLEFIELD | 9,168 | 0.0060 mg/L |
| JACKSON COUNTY PWSD 15 | LAKE LOTAWANA | 8,772 | 0.0013 mg/L |
| MO AMERICAN TRI STATE | BRANSON | 8,680 | 0.0104 mg/L |
| PARK HILLS PWS | PARK HILLS | 8,587 | 0.0076 mg/L |
| PERRYVILLE PWS | PERRYVILLE | 8,555 | 0.0042 mg/L |
| LACLEDE COUNTY PWSD 1 | LEBANON | 8,550 | 0.0040 mg/L |
| CAPE PERRY COUNTY PWSD 1 SOUTH | JACKSON | 8,545 | 0.0052 mg/L |
| LIBERTY UTILITIES AURORA VERONA | AURORA | 8,529 | 0.0093 mg/L |
| WILLARD PWS | WILLARD | 8,400 | 0.0044 mg/L |
| OAK GROVE PWS | OAK GROVE | 8,289 | 0.0017 mg/L |