Results from entry points (water leaving treatment, not household taps) of public water systems sampled under EPA's Fifth Unregulated Contaminant Monitoring Rule. Click a county to see every water system serving it, or turn on service areas and click a location to see the systems that serve that spot.
232 of the 1,664 public water systems listed for Missouri were sampled. Sorted by the highest single result relative to EPA's 2024 limits. Each name links to a page with all of that system's results. All 1,664 Missouri systems, including those not tested · Download all Missouri results (CSV, gzip)
| System | PWSID | City | Population | PFOA (ppt) | PFOS (ppt) | HI | Highest single result |
|---|---|---|---|---|---|---|---|
| St Robert Pws | MO3010720 | St Robert | 5,192 | <MRL | 12 | 0 | PFOS ≥ 3 × its limit |
| Camdenton Pws | MO3010130 | Camdenton | 3,960 | <MRL | 10.3 | 0.92 | PFOS 1–3 × its limit |
| St James Pws | MO3010712 | St James | 3,935 | <MRL | 9.9 | 2.253 | PFOS 1–3 × its limit |
| Ralls County Pwsd 1 | MO2024499 | Hannibal | 7,662 | 6.3 | <MRL | 0.006 | PFOA 1–3 × its limit |
| Lamar Pws | MO5010446 | Lamar | 4,500 | 6.2 | <MRL | 0 | PFOA 1–3 × its limit |
| Circle C Mhp | MO6048106 | Beaufort | 75 | <MRL | 5.9 | 0.73 | PFOS 1–3 × its limit |
| Cole County Pwsd 1 | MO3024159 | Jefferson City | 16,548 | 5.8 | <MRL | 0 | PFOA 1–3 × its limit |
| St Peters Pws | MO6010719 | St Peters | 52,575 | 4.9 | <MRL | 0 | PFOA 1–3 × its limit |
| City Utilities Of Springfield | MO5010754 | Springfield | 210,898 | <MRL | 4.3 | 0.002 | PFOS 1–3 × its limit |
| North Kansas City Pws | MO1010580 | North Kansas City | 4,500 | <MRL | <MRL | 0.92 | Hazard Index below its limit |
| Scott City Pws | MO4010726 | Scott City | 4,653 | <MRL | <MRL | 0.84 | Hazard Index below its limit |
| Monett Pws | MO5010537 | Monett | 9,789 | <MRL | <MRL | 0.77 | Hazard Index below its limit |
| St Clair Pws | MO6010708 | St Clair | 4,700 | <MRL | <MRL | 0.56 | Hazard Index below its limit |
| Farmington Pws | MO4010270 | Farmington | 18,217 | <MRL | <MRL | 0.48 | Hazard Index below its limit |
| Platte Co Pwsd 4 | MO1024478 | Platte City | 9,552 | <MRL | <MRL | 0.33 | Hazard Index below its limit |
| Fort Leonard Wood | MO3079500 | Fort Leonard Wood | 34,000 | <MRL | <MRL | 0.002 | Hazard Index below its limit |
| Kennett Pws | MO4010417 | Kennett | 10,200 | <MRL | <MRL | 0.002 | Hazard Index below its limit |
| Ozark Pws | MO5010619 | Ozark | 23,248 | <MRL | <MRL | 0.002 | Hazard Index below its limit |
| Pike County Pwsd 1 | MO2024471 | Bowling Green | 7,590 | <MRL | <MRL | 0.002 | Hazard Index below its limit |
| West Plains Pws | MO4010853 | West Plains | 12,864 | <MRL | <MRL | 0.002 | Hazard Index below its limit |
| Adair County Pwsd 1 | MO2024000 | Kirksville | 7,500 | <MRL | <MRL | 0 | Other PFAS detected |
| Belton Pws | MO1010061 | Belton | 23,598 | <MRL | <MRL | 0 | Other PFAS detected |
| Boonville Pws | MO3010089 | Boonville | 7,964 | <MRL | <MRL | 0 | Other PFAS detected |
| Bowling Green Pws | MO2010093 | Bowling Green | 4,195 | <MRL | <MRL | 0 | Other PFAS detected |
| Brookfield Pws | MO2010105 | Brookfield | 4,111 | <MRL | <MRL | 0 | Other PFAS detected |
| Butler Pws | MO1010118 | Butler | 4,219 | <MRL | <MRL | 0 | Other PFAS detected |
| Cannon Pwsd 1 | MO2024500 | Perry | 6,482 | <MRL | <MRL | 0 | Other PFAS detected |
| Cape Girardeau Pws | MO4010136 | Cape Girardeau | 39,941 | <MRL | <MRL | 0 | Other PFAS detected |
| Cass County Pwsd 2 | MO1024114 | Belton | 4,650 | <MRL | <MRL | 0 | Other PFAS detected |
| Cass County Pwsd 7 | MO1024111 | Freeman | 4,143 | <MRL | <MRL | 0 | Other PFAS detected |
| Chariton Linn County Pwsd 3 | MO2024128 | Brookfield | 5,200 | <MRL | <MRL | 0 | Other PFAS detected |
| Clay County Pwsd 6 | MO1024146 | Kearney | 4,912 | <MRL | <MRL | 0 | Other PFAS detected |
| Clay County Pwsd 8 | MO1024149 | Excelsior Springs | 2,243 | <MRL | <MRL | 0 | Other PFAS detected |
| Clinton Co Pwsd 4 Sys 1 | MO1024156 | Lathrop | 4,968 | <MRL | <MRL | 0 | Other PFAS detected |
| Clinton County Pwsd 3 | MO1024155 | Cameron | 3,722 | <MRL | <MRL | 0 | Other PFAS detected |
| Crystal City Pws | MO6010198 | Crystal City | 4,733 | <MRL | <MRL | 0 | Other PFAS detected |
| Festus Pws | MO6010276 | Festus | 13,000 | <MRL | <MRL | 0 | Other PFAS detected |
| Hannibal Pws | MO2010344 | Hannibal | 17,108 | <MRL | <MRL | 0 | Other PFAS detected |
| Henry County Water Company | MO1010177 | Clinton | 11,373 | <MRL | <MRL | 0 | Other PFAS detected |
| Herculaneum Pws | MO6010359 | Herculaneum | 5,000 | <MRL | <MRL | 0 | Other PFAS detected |
| Higginsville Pws | MO1010363 | Higginsville | 4,800 | <MRL | <MRL | 0 | Other PFAS detected |
| Jackson County Pwsd 12 | MO1024278 | Greenwood | 5,695 | <MRL | <MRL | 0 | Other PFAS detected |
| Jefferson County Pwsd 6 | MO6024298 | House Springs | 7,500 | <MRL | <MRL | 0 | Other PFAS detected |
| Kansas City Pws | MO1010415 | Kansas City | 553,295 | <MRL | <MRL | 0 | Other PFAS detected |
| Kearney Pws | MO1010416 | Kearney | 11,500 | <MRL | <MRL | 0 | Other PFAS detected |
| Kirksville Pws | MO2010429 | Kirksville | 17,566 | <MRL | <MRL | 0 | Other PFAS detected |
| Knox County Public Water & Sewer Dist 1 | MO2024313 | Knox City | 3,947 | <MRL | <MRL | 0 | Other PFAS detected |
| Laf Jo Saline County Cons Pwsd 2 | MO1024326 | Higginsville | 7,180 | <MRL | <MRL | 0 | Other PFAS detected |
| Lees Summit Pws | MO1010459 | Lees Summit | 99,400 | <MRL | <MRL | 0 | Other PFAS detected |
| Louisiana Pws | MO2010479 | Louisiana | 3,244 | <MRL | <MRL | 0 | Other PFAS detected |
| Macon Co Pwsd 1 | MO2024363 | Macon | 12,865 | <MRL | <MRL | 0 | Other PFAS detected |
| Macon Pws | MO2010487 | Macon | 5,489 | <MRL | <MRL | 0 | Other PFAS detected |
| Marion County Pwsd 1 | MO2024377 | Philadelphia | 4,900 | <MRL | <MRL | 0 | Other PFAS detected |
| Maryville Pws | MO1010508 | Maryville | 10,775 | <MRL | <MRL | 0 | Other PFAS detected |
| Mercer County Pwsd 1 | MO2024382 | Mercer | 3,200 | <MRL | <MRL | 0 | Other PFAS detected |
| Mo American Jefferson City District | MO3010409 | Jefferson City | 30,075 | <MRL | <MRL | 0 | Other PFAS detected |
| Mo American St Louis St Charles Counties | MO6010716 | Chesterfield | 1,111,000 | <MRL | <MRL | 0 | Other PFAS detected |
| Moberly Pws | MO2010533 | Moberly | 13,783 | <MRL | <MRL | 0 | Other PFAS detected |
| Monroe City Pws | MO2010538 | Monroe | 2,500 | <MRL | <MRL | 0 | Other PFAS detected |
| Monroe County Pwsd 2 | MO2024402 | Laddonia | 6,700 | <MRL | <MRL | 0 | Other PFAS detected |
| Nodaway County Pwsd 1 | MO1024428 | Maryville | 6,428 | <MRL | <MRL | 0 | Other PFAS detected |
| Ofallon Pws | MO6010588 | O Fallon | 32,515 | <MRL | <MRL | 0 | Other PFAS detected |
| Peculiar Pws | MO1010633 | Peculiar | 6,226 | <MRL | <MRL | 0 | Other PFAS detected |
| Platte City Pws | MO1010646 | Platte City | 4,691 | <MRL | <MRL | 0 | Other PFAS detected |
| Platte County Cons Pwsd 1 | MO1024479 | Kansas City | 7,074 | <MRL | <MRL | 0 | Other PFAS detected |
| Pleasant Hill Pws | MO1010649 | Pleasant Hill | 8,262 | <MRL | <MRL | 0 | Other PFAS detected |
| Schuyler County Consolidated Pwsd 1 | MO2024559 | Queen City | 3,482 | <MRL | <MRL | 0 | Other PFAS detected |
| Scotland County Cons Pwsd 1 | MO2024565 | Memphis | 3,360 | <MRL | <MRL | 0 | Other PFAS detected |
| Shelbyville | MO2010737 | Shelbville | 552 | <MRL | <MRL | 0 | Other PFAS detected |
| Sikeston Pws | MO4010743 | Sikeston | 16,291 | <MRL | <MRL | 0 | Other PFAS detected |
| Smithville Pws | MO1010748 | Smithville | 10,885 | <MRL | <MRL | 0 | Other PFAS detected |
| St Charles County Pwsd 2 | MO6024530 | O'Fallon | 100,587 | <MRL | <MRL | 0 | Other PFAS detected |
| Thomas Hill Pwsd 1 | MO2024504 | Moberly | 11,250 | <MRL | <MRL | 0 | Other PFAS detected |
| Anderson Pws | MO5010016 | Anderson | 1,961 | <MRL | <MRL | 0 | No PFAS detected |
| Andrew County Pwsd 1 | MO1024004 | Savannah | 6,042 | <MRL | <MRL | 0 | No PFAS detected |
| Andrew County Pwsd 2 | MO1024005 | Cosby | 3,580 | <MRL | <MRL | 0 | No PFAS detected |
| Ashland Pws | MO3010033 | Ashland | 4,999 | <MRL | <MRL | 0 | No PFAS detected |
| Barton Dade Cedar Jasp Countycons Pwsd 1 | MO5024023 | Lamar | 9,523 | <MRL | <MRL | 0 | No PFAS detected |
| Blue Springs Pws | MO1010080 | Blue Springs | 61,084 | <MRL | <MRL | 0 | No PFAS detected |
| Bonne Terre Prison | MO4061410 | Bonne Terre | 3,500 | <MRL | <MRL | 0 | No PFAS detected |
| Bonne Terre Pws | MO4010087 | Bonne Terre | 3,537 | <MRL | <MRL | 0 | No PFAS detected |
| Boone County Cons Pwsd 1 | MO3024055 | Columbia | 24,700 | <MRL | <MRL | 0 | No PFAS detected |
| Boone County Pwsd 10 | MO3024059 | Centralia | 4,963 | <MRL | <MRL | 0 | No PFAS detected |
| Boone County Pwsd 4 | MO3024052 | Hallsville | 6,455 | <MRL | <MRL | 0 | No PFAS detected |
| Boone County Pwsd 9 | MO3024058 | Columbia | 15,035 | <MRL | <MRL | 0 | No PFAS detected |
| Branson Pws | MO5010096 | Branson | 12,640 | <MRL | <MRL | 0 | No PFAS detected |
| Butler County Pwsd 1 | MO4024070 | Poplar Bluff | 12,000 | <MRL | <MRL | 0 | No PFAS detected |
| California Pws | MO3010124 | California | 4,423 | <MRL | <MRL | 0 | No PFAS detected |
| Callaway 2 Water District | MO3024085 | Fulton | 13,080 | <MRL | <MRL | 0 | No PFAS detected |
| Callaway County Pwsd 1 | MO3024084 | Holts Summit | 9,840 | <MRL | <MRL | 0 | No PFAS detected |
| Camden County Pwsd 4 Horseshoe Bend | MO3021377 | Lake Ozark | 7,912 | <MRL | <MRL | 0 | No PFAS detected |
| Cameron Pws | MO1010131 | Cameron | 11,963 | <MRL | <MRL | 0 | No PFAS detected |
| Campbell Pws | MO4010132 | Campbell | 1,992 | <MRL | <MRL | 0 | No PFAS detected |
| Cape Perry County Pwsd 1 South | MO4024096 | Jackson | 8,545 | <MRL | <MRL | 0 | No PFAS detected |
| Carl Junction Pws | MO5010138 | Carl Junction | 8,142 | <MRL | <MRL | 0 | No PFAS detected |
| Carrollton Pws | MO2010140 | Carrollton | 3,514 | <MRL | <MRL | 0 | No PFAS detected |
| Carthage Pws | MO5010142 | Carthage | 14,600 | <MRL | <MRL | 0 | No PFAS detected |
| Caruthersville Pws | MO4010143 | Caruthersville | 5,518 | <MRL | <MRL | 0 | No PFAS detected |
| Cass County Pwsd 9 | MO1024118 | Harrisonville | 6,063 | <MRL | <MRL | 0 | No PFAS detected |
| Centralia Pws | MO3010152 | Centralia | 4,027 | <MRL | <MRL | 0 | No PFAS detected |
| Charleston Pws | MO4010160 | Charleston | 5,900 | <MRL | <MRL | 0 | No PFAS detected |
| Chillicothe Municipal Utilities Pws | MO2010162 | Chillicothe | 10,187 | <MRL | <MRL | 0 | No PFAS detected |
| City Of Columbia Utilities | MO3010181 | Columbia | 126,254 | <MRL | <MRL | 0 | No PFAS detected |
| Clark County Cons Pwsd 1 | MO2024138 | Kahoka | 8,000 | <MRL | <MRL | 0 | No PFAS detected |
| Clay County Pwsd 3 | MO1024143 | Holt | 3,447 | <MRL | <MRL | 0 | No PFAS detected |
| Cole Camp Pws | MO3010180 | Cole Camp | 1,150 | <MRL | <MRL | 0 | No PFAS detected |
| Cole County Pwsd 2 | MO3024160 | Jefferson City | 13,107 | <MRL | <MRL | 0 | No PFAS detected |
| Cole County Pwsd 4 | MO3024163 | Jefferson City | 7,568 | <MRL | <MRL | 0 | No PFAS detected |
| Cuba Pws | MO6010200 | Cuba | 3,292 | <MRL | <MRL | 0 | No PFAS detected |
| Dekalb County Pwsd 1 | MO1024191 | Clarksdale | 7,635 | <MRL | <MRL | 0 | No PFAS detected |
| Desloge Pws | MO4011441 | Desloge | 5,034 | <MRL | <MRL | 0 | No PFAS detected |
| Desoto Pws | MO6010213 | Desoto | 6,400 | <MRL | <MRL | 0 | No PFAS detected |
| Dexter Pws | MO4010216 | Dexter | 8,200 | <MRL | <MRL | 0 | No PFAS detected |
| Dunklin County Pwsd 1 | MO4024206 | Campbell | 4,307 | <MRL | <MRL | 0 | No PFAS detected |
| El Dorado Springs Pws | MO5010241 | El Dorado Springs | 3,593 | <MRL | <MRL | 0 | No PFAS detected |
| Eldon Pws | MO3010240 | Eldon | 4,895 | <MRL | <MRL | 0 | No PFAS detected |
| Ellington Pws | MO4010243 | Ellington | 790 | <MRL | <MRL | 0 | No PFAS detected |
| Excelsior Springs Pws | MO1010261 | Excelsior Springs | 11,084 | <MRL | <MRL | 0 | No PFAS detected |
| Farmington Correctional Center | MO4069041 | Farmington | 3,500 | <MRL | <MRL | 0 | No PFAS detected |
| Franklin County Pwsd 1 | MO6024211 | Washington | 3,500 | <MRL | <MRL | 0 | No PFAS detected |
| Franklin County Pwsd 3 | MO6024213 | Villa Ridge | 8,250 | <MRL | <MRL | 0 | No PFAS detected |
| Fredericktown Pws | MO4010290 | Fredricktown | 4,429 | <MRL | <MRL | 0 | No PFAS detected |
| Fulton Pws | MO3010296 | Fulton | 12,600 | <MRL | <MRL | 0 | No PFAS detected |
| Gainesville Pws | MO5010297 | Gainesville | 742 | <MRL | <MRL | 0 | No PFAS detected |
| Gladstone Pws | MO1010307 | Gladstone | 27,000 | <MRL | <MRL | 0 | No PFAS detected |
| Grain Valley Pws | MO1010320 | Grain Valley | 16,000 | <MRL | <MRL | 0 | No PFAS detected |
| Greene County Pwsd 1 | MO5024228 | Battlefield | 9,168 | <MRL | <MRL | 0 | No PFAS detected |
| Grundy County Pwsd 1 | MO2024237 | Trenton | 3,900 | <MRL | <MRL | 0 | No PFAS detected |
| Harrison County Pwsd 2 | MO1024242 | Bethany | 3,740 | <MRL | <MRL | 0 | No PFAS detected |
| Harrisonville Pws | MO1010349 | Harrisonville | 10,250 | <MRL | <MRL | 0 | No PFAS detected |
| Holiday Hills Resort | MO5190947 | Bolivar | 2,065 | <MRL | <MRL | 0 | No PFAS detected |
| Hollister Pws | MO5010374 | Hollister | 4,426 | <MRL | <MRL | 0 | No PFAS detected |
| Howard County Pwsd 2 | MO2024261 | Glasgow | 1,165 | <MRL | <MRL | 0 | No PFAS detected |
| Independence Pws | MO1010399 | Independence | 120,000 | <MRL | <MRL | 0 | No PFAS detected |
| Jackson County Pwsd 1 | MO1024275 | Grandview | 24,500 | <MRL | <MRL | 0 | No PFAS detected |
| Jackson County Pwsd 13 | MO1024279 | Lake Lotawana | 9,700 | <MRL | <MRL | 0 | No PFAS detected |
| Jackson County Pwsd 15 | MO1024281 | Lees Summit | 8,772 | <MRL | <MRL | 0 | No PFAS detected |
| Jackson County Pwsd 16 | MO1020869 | Sibley | 4,075 | <MRL | <MRL | 0 | No PFAS detected |
| Jackson County Pwsd 2 | MO1024276 | Raytown | 16,440 | <MRL | <MRL | 0 | No PFAS detected |
| Jackson Pws | MO4010404 | Jackson | 15,000 | <MRL | <MRL | 0 | No PFAS detected |
| Jasper County Pwsd 1 | MO5024286 | Carl Junction | 5,500 | <MRL | <MRL | 0 | No PFAS detected |
| Jefferson Co Cons Pwsd C 1 | MO6024295 | Barnhart | 37,000 | <MRL | <MRL | 0 | No PFAS detected |
| Jefferson Co Pwsd 8 | MO6024300 | Cedar Hill | 4,733 | <MRL | <MRL | 0 | No PFAS detected |
| Jefferson County Pwsd 5 | MO6024296 | De Soto | 8,000 | <MRL | <MRL | 0 | No PFAS detected |
| Jefferson County Pwsd 7 | MO6024299 | Hillsboro | 6,100 | <MRL | <MRL | 0 | No PFAS detected |
| Jefferson County Pwsd 1 | MO6024292 | Arnold | 21,113 | <MRL | <MRL | 0 | No PFAS detected |
| Jefferson County Pwsd 10 | MO6024302 | Imperial | 10,000 | <MRL | <MRL | 0 | No PFAS detected |
| Jefferson County Pwsd 2 | MO6024293 | Eureka | 16,548 | <MRL | <MRL | 0 | No PFAS detected |
| Jefferson County Pwsd 3 | MO6024294 | Arnold | 17,000 | <MRL | <MRL | 0 | No PFAS detected |
| Johnson County Pwsd 1 | MO1024309 | Warrensburg | 4,240 | <MRL | <MRL | 0 | No PFAS detected |
| Johnson County Pwsd 2 | MO1024310 | Holden | 12,490 | <MRL | <MRL | 0 | No PFAS detected |
| Johnson County Pwsd 3 | MO1024311 | Warrensburg | 5,317 | <MRL | <MRL | 0 | No PFAS detected |
| Kirkwood Pws | MO6010430 | Kirkwood | 28,000 | <MRL | <MRL | 0 | No PFAS detected |
| Laclede County Pwsd 1 | MO5024317 | Lebanon | 8,550 | <MRL | <MRL | 0 | No PFAS detected |
| Laclede County Pwsd 3 | MO5024319 | Lebanon | 6,075 | <MRL | <MRL | 0 | No PFAS detected |
| Lafayette County Pwsd 1 | MO1024324 | Odessa | 8,250 | <MRL | <MRL | 0 | No PFAS detected |
| Lake Forest Estates | MO4036146 | Ste Genevieve | 811 | <MRL | <MRL | 0 | No PFAS detected |
| Lebanon Pws | MO5010458 | Lebanon | 15,442 | <MRL | <MRL | 0 | No PFAS detected |
| Lexington Pws | MO1010464 | Lexington | 4,729 | <MRL | <MRL | 0 | No PFAS detected |
| Liberty Pws | MO1010466 | Liberty | 30,800 | <MRL | <MRL | 0 | No PFAS detected |
| Liberty Utilities Aurora Verona | MO5010038 | Bolivar | 8,529 | <MRL | <MRL | 0 | No PFAS detected |
| Liberty Utilities Bolivar | MO5010085 | Bolivar | 11,000 | <MRL | <MRL | 0 | No PFAS detected |
| Lincoln County Pwsd 1 | MO6024340 | Winfield | 14,000 | <MRL | <MRL | 0 | No PFAS detected |
| Malden Pws | MO4010490 | Malden | 3,700 | <MRL | <MRL | 0 | No PFAS detected |
| Marshall Pws | MO2010502 | Marshall | 12,934 | <MRL | <MRL | 0 | No PFAS detected |
| Marshfield Pws | MO5010503 | Marshfield | 7,425 | <MRL | <MRL | 0 | No PFAS detected |
| Mo American Eureka | MO6010258 | Chesterfield | 11,000 | <MRL | <MRL | 0 | No PFAS detected |
| Mo American Joplin | MO5010413 | Joplin | 73,728 | <MRL | <MRL | 0 | No PFAS detected |
| Mo American Mexico | MO2010519 | Cottleville | 13,000 | <MRL | <MRL | 0 | No PFAS detected |
| Mo American Platte County | MO1010625 | St Joseph | 16,645 | <MRL | <MRL | 0 | No PFAS detected |
| Mo American St Joseph | MO1010714 | St Joseph | 89,171 | <MRL | <MRL | 0 | No PFAS detected |
| Mo American Tri State | MO5024601 | Joplin | 8,680 | <MRL | <MRL | 0 | No PFAS detected |
| Mo American Warrensburg | MO1010833 | Joplin | 18,500 | <MRL | <MRL | 0 | No PFAS detected |
| Montgomery Co Pwsd 1 | MO6024406 | Warrenton | 3,850 | <MRL | <MRL | 0 | No PFAS detected |
| Mound City Pws | MO1010548 | Mound City | 1,159 | <MRL | <MRL | 0 | No PFAS detected |
| Mount Vernon Pws | MO5010553 | Mt Vernon | 4,575 | <MRL | <MRL | 0 | No PFAS detected |
| Mountain Grove Pws | MO5010550 | Mountain Grove | 4,789 | <MRL | <MRL | 0 | No PFAS detected |
| Neosho Pws | MO5010560 | Neosho | 12,157 | <MRL | <MRL | 0 | No PFAS detected |
| Nevada Pws | MO5010562 | Nevada | 8,198 | <MRL | <MRL | 0 | No PFAS detected |
| Nixa Pws | MO5010576 | Nixa | 24,532 | <MRL | <MRL | 0 | No PFAS detected |
| Northwood Elementary School | MO4171151 | Salem | 180 | <MRL | <MRL | 0 | No PFAS detected |
| Oak Grove Pws | MO1010589 | Oak Grove | 9,200 | <MRL | <MRL | 0 | No PFAS detected |
| Odessa Pws | MO1010599 | Odessa | 5,202 | <MRL | <MRL | 0 | No PFAS detected |
| Pacific Pws | MO6010620 | Pacific | 6,000 | <MRL | <MRL | 0 | No PFAS detected |
| Palmyra Pws | MO2010623 | Palmyra | 3,595 | <MRL | <MRL | 0 | No PFAS detected |
| Park Hills Pws | MO4010279 | Park Hills | 8,587 | <MRL | <MRL | 0 | No PFAS detected |
| Park Place Master Assn | MO3282326 | Camdenton | 545 | <MRL | <MRL | 0 | No PFAS detected |
| Pemiscot County Con Pwsd 1 | MO4024448 | Hayti | 6,042 | <MRL | <MRL | 0 | No PFAS detected |
| Perryville Pws | MO4010636 | Perryville | 8,555 | <MRL | <MRL | 0 | No PFAS detected |
| Petro Stopping Center | MO5191569 | Joplin | 900 | <MRL | <MRL | 0 | No PFAS detected |
| Pevely Pws | MO6010638 | Pevely | 5,600 | <MRL | <MRL | 0 | No PFAS detected |
| Pilot Grove Pws | MO3010642 | Pilot Grove | 768 | <MRL | <MRL | 0 | No PFAS detected |
| Poplar Bluff Pws | MO4010656 | Poplar Bluff | 17,043 | <MRL | <MRL | 0 | No PFAS detected |
| Pulaski County Pwsd 1 | MO3024490 | Laquey | 4,000 | <MRL | <MRL | 0 | No PFAS detected |
| Pulaski County Pwsd 2 | MO3024491 | Waynesville | 8,038 | <MRL | <MRL | 0 | No PFAS detected |
| Ray County Cons Pwsd 2 | MO1024511 | Richmond | 9,360 | <MRL | <MRL | 0 | No PFAS detected |
| Raymore Pws | MO1010675 | Raymore | 21,517 | <MRL | <MRL | 0 | No PFAS detected |
| Raytown Water Company | MO1010676 | Raytown | 17,066 | <MRL | <MRL | 0 | No PFAS detected |
| Republic Pws | MO5010681 | Republic | 16,100 | <MRL | <MRL | 0 | No PFAS detected |
| Richmond Pws | MO1010685 | Richmond | 5,797 | <MRL | <MRL | 0 | No PFAS detected |
| Rolla Pws | MO3010700 | Rolla | 20,800 | <MRL | <MRL | 0 | No PFAS detected |
| S K & M Water And Sewer Company | MO4036226 | Perryville | 750 | <MRL | <MRL | 0 | No PFAS detected |
| Salem Pws | MO4010721 | Salem | 4,736 | <MRL | <MRL | 0 | No PFAS detected |
| Savannah Pws | MO1010724 | Savannah | 5,249 | <MRL | <MRL | 0 | No PFAS detected |
| Sedalia Pws | MO3010728 | Sedalia | 21,725 | <MRL | <MRL | 0 | No PFAS detected |
| Silver Dollar City Marvel Cave | MO5201957 | Branson | 8,501 | <MRL | <MRL | 0 | No PFAS detected |
| St Charles Co Pwsd #2 Wright City | MO6010874 | O'Fallon | 3,550 | <MRL | <MRL | 0 | No PFAS detected |
| St Charles Pws | MO6010707 | St Charles | 78,961 | <MRL | <MRL | 0 | No PFAS detected |
| St Louis City Pws | MO6010715 | St Louis | 304,709 | <MRL | <MRL | 0 | No PFAS detected |
| Ste Genevieve County Pwsd 1 Sc | MO4024543 | Ste Genevieve | 3,718 | <MRL | <MRL | 0 | No PFAS detected |
| Ste Genevieve Pws | MO4010710 | Ste Genevieve | 4,999 | <MRL | <MRL | 0 | No PFAS detected |
| Stoddard County Pwsd 1 | MO4024581 | Dexter | 3,000 | <MRL | <MRL | 0 | No PFAS detected |
| Sullivan County Pwsd 1 | MO2024594 | Milan | 4,412 | <MRL | <MRL | 0 | No PFAS detected |
| Sullivan Pws | MO6010775 | Sullivan | 7,081 | <MRL | <MRL | 0 | No PFAS detected |
| Sunshine Acres Subd | MO5031649 | Stover | 30 | <MRL | <MRL | 0 | No PFAS detected |
| Taney County Pwsd 2 | MO5024600 | Powersite | 5,500 | <MRL | <MRL | 0 | No PFAS detected |
| Taney County Pwsd 3 | MO5024602 | Branson | 6,000 | <MRL | <MRL | 0 | No PFAS detected |
| Tipton Pws | MO3010791 | Tipton | 2,861 | <MRL | <MRL | 0 | No PFAS detected |
| Treehouse Condominiums | MO5036352 | Branson | 445 | <MRL | <MRL | 0 | No PFAS detected |
| Trenton Municipal Utilities Pws | MO2010796 | Trenton | 5,600 | <MRL | <MRL | 0 | No PFAS detected |
| Troy Pws | MO6010798 | Troy | 15,000 | <MRL | <MRL | 0 | No PFAS detected |
| Union Pws | MO6010801 | Union | 12,348 | <MRL | <MRL | 0 | No PFAS detected |
| University Of Missouri Columbia | MO3069001 | Columbia | 40,000 | <MRL | <MRL | 0 | No PFAS detected |
| Vernon County Cons Pwsd 1 | MO5024618 | Nevada | 9,615 | <MRL | <MRL | 0 | No PFAS detected |
| Warrenton Pws | MO6010834 | Warrenton | 8,208 | <MRL | <MRL | 0 | No PFAS detected |
| Washington Pws | MO6010838 | Washington | 14,068 | <MRL | <MRL | 0 | No PFAS detected |
| Waynesville Pws | MO3010841 | Waynesville | 5,460 | <MRL | <MRL | 0 | No PFAS detected |
| Webb City Pws | MO5010844 | Webb City | 13,404 | <MRL | <MRL | 0 | No PFAS detected |
| Wentzville Pws | MO6010849 | Wentzville | 41,784 | <MRL | <MRL | 0 | No PFAS detected |
| Westmier Subdivision | MO6031324 | Troy | 90 | <MRL | <MRL | 0 | No PFAS detected |
| Whiteman Air Base | MO1079501 | Whiteman Afb | 10,106 | <MRL | <MRL | 0 | No PFAS detected |
| Willard Pws | MO5010860 | Willard | 8,400 | <MRL | <MRL | 0 | No PFAS detected |
Highest single result for each system; PFOA and PFOS in ppt (ng/L). Entry-point samples, not tap water; screening comparisons, not compliance determinations.