PFAS in Indiana drinking water
EPA's final UCMR 5 data covers 230 public water systems in Indiana, serving about 4.8 million people. PFAS turned up in 55 of them (24%). 5 averaged above at least one EPA limit at a sampling point, affecting about 151,021 people.
Highest PFOA and PFOS averages among systems serving 1,000 or more: Marysville Otisco Nabb Water Corp. (13.6 / 0.0 ppt), Indiana American Water - Charlestown (13.1 / 0.0 ppt) and West Terre Haute Water (0.0 / 6.7 ppt).
Every tested system in Indiana
Largest first. PFOA and PFOS columns show the average at each system's worst sampling point; EPA's limit for each is 4 ppt. Filter by name:
| Water system | People | PFOA | PFOS | PFAS found | Result |
|---|---|---|---|---|---|
| Citizens Water - Indianapolis · Indianapolis | 880,345 | - | - | 4 | Below limits |
| Fort Wayne - 3 Rivers Filtration Plant · Fort Wayne | 269,994 | - | - | 2 | Below limits |
| Indiana American Water - Northwest · Greenwood | 210,510 | - | - | 0 | None found |
| Evansville Water Utility · Evansville | 182,444 | - | - | 0 | None found |
| South Bend Water Works · South Bend | 115,000 | 5.0 | - | 8 | Above limit |
| Indiana American Water - S. Indiana · Greenwood | 104,445 | - | - | 0 | None found |
| Carmel Water Department · Carmel | 99,927 | - | - | 0 | None found |
| Indiana American Water - Johnson County · Greenwood | 86,813 | - | - | 2 | Below limits |
| City of Bloomington Utilities · Bloomington | 83,000 | - | - | 0 | None found |
| Hammond Water Works Department · Hammond | 78,384 | - | - | 0 | None found |
| Indiana American Water - Muncie · Greenwood | 74,030 | - | - | 0 | None found |
| Lafayette Water Works · Lafayette | 70,835 | - | - | 0 | None found |
| Indiana American Water - Terre Haute · Greenwood | 67,765 | - | 2.6 | 3 | Sample at limit |
| Citizens Water of Westfield, LLC · Indianapolis | 61,493 | - | - | 0 | None found |
| Indiana American Water - Kokomo · Greenwood | 59,313 | - | - | 0 | None found |
| Anderson Water Department · Anderson | 55,212 | - | 1.0 | 1 | Sample at limit |
| Columbus Municipal Utility · Columbus | 51,122 | - | - | 4 | Below limits |
| Purdue Univ. Water Works · West Lafayette | 50,000 | - | - | 6 | Below limits |
| Mishawaka Utilities · Mishawaka | 49,675 | - | 2.1 | 5 | Sample at limit |
| City of Lawrence Utilities · Indianapolis | 49,000 | - | - | 0 | None found |
| Elkhart Public Works and Utilities · Elkhart | 46,455 | 2.6 | - | 6 | Sample at limit |
| Indiana American Water - Noblesville · Greenwood | 45,575 | - | - | 1 | Below limits |
| Indiana American Water - Richmond · Greenwood | 41,485 | - | - | 0 | None found |
| Valparaiso Department of Water Works · Valparaiso | 36,000 | - | - | 0 | None found |
| Indiana American Water - West Lafayette · Greenwood | 35,533 | - | - | 0 | None found |
| Plainfield Water Works · Plainfield | 34,477 | - | - | 3 | Below limits |
| Bargersville Water Department · Bargersville | 34,418 | - | - | 3 | Below limits |
| Michigan City Department of Water Works · Michigan City | 33,996 | - | - | 0 | None found |
| Goshen Water Utility · Goshen | 32,267 | - | - | 2 | Below limits |
| Brownsburg Water Works · Brownsburg | 31,250 | - | - | 1 | Below limits |
| Crown Point Water Works · Crown Point | 30,000 | - | - | 0 | None found |
| Schererville Water Department · Schererville | 30,000 | - | - | 0 | None found |
| Marion City Water Works · Marion | 28,363 | - | - | 0 | None found |
| Greenfield Water Utility · Greenfield | 26,671 | - | - | 0 | None found |
| East Chicago Water Works · East Chicago | 26,370 | - | - | 0 | None found |
| St. John Municipal Water Utility · St. John | 25,700 | - | - | 0 | None found |
| Highland Water Works · Highland | 23,984 | - | - | 0 | None found |
| Munster Water Company · Munster | 23,894 | - | - | 0 | None found |
| Indiana American Water - Newburgh · Newburgh | 22,215 | - | - | 0 | None found |
| Laporte Water Works · Laporte | 22,197 | - | - | 1 | Below limits |
| Indiana American Water - Seymour · Greenwood | 20,725 | - | - | 0 | None found |
| Chandler Water Works Department · Chandler | 20,120 | - | - | 0 | None found |
| New Castle Utilities · New Castle | 19,880 | - | - | 0 | None found |
| Indiana American Water - Shelbyville · Greenwood | 19,093 | - | - | 0 | None found |
| Eastern Heights Utilities · Bloomfield | 19,028 | - | - | 0 | None found |
| Vincennes Water Department · Vincennes | 18,701 | - | - | 0 | None found |
| Logansport Municipal Utility-well Field · Logansport | 18,369 | - | - | 0 | None found |
| Stucker Fork Water Utility · Austin | 17,718 | - | - | 0 | None found |
| Jasper Municipal Water Utility · Jasper | 17,440 | - | - | 1 | Below limits |
| Huntington Water Department · Huntington | 17,300 | - | - | 0 | None found |
| Griffith Water Department · Griffith | 16,893 | - | - | 0 | None found |
| Lebanon Utilities · Lebanon | 16,840 | - | - | 0 | None found |
| Dyer Water Department · Dyer | 16,800 | - | - | 0 | None found |
| Ramsey Water Company, INC. · Ramsey | 16,475 | 4.6 | - | 1 | Above limit |
| Frankfort Water Works · Frankfort | 16,422 | - | - | 0 | None found |
| Indiana American Water - Crawfordsville · Greenwood | 15,930 | - | - | 1 | Below limits |
| Watson Rural Water Company · Jeffersonville | 15,750 | - | - | 0 | None found |
| New Haven Water Department · New Haven | 15,700 | - | - | 2 | Below limits |
| Sellersburg Water Department · Sellersburg | 15,655 | 2.0 | - | 1 | Sample at limit |
| Brown County Water Utility · Morgantown | 15,368 | 3.2 | 2.6 | 5 | Sample at limit |
| Madison Water Department · Madison | 15,323 | 2.3 | - | 2 | Sample at limit |
| Martinsville Water Utility · Martinsville | 15,000 | - | - | 0 | None found |
| Ellettsville Water Works · Ellettsville | 14,500 | - | - | 0 | None found |
| Huntertown Water Works · Fort Wayne | 14,058 | - | - | 0 | None found |
| Bedford City Utilities · Bedford | 14,000 | - | - | 0 | None found |
| Indiana American Water - Warsaw · Greenwood | 13,835 | - | - | 2 | Below limits |
| Washington Water Works · Washington | 13,690 | - | - | 0 | None found |
| Jackson County Water Utility · Brownstown | 13,667 | 3.0 | 2.6 | 2 | Sample at limit |
| Eastern Bartholomew Water · Taylorsville | 13,547 | - | - | 0 | None found |
| Patoka Lake Regional Water · Dubois | 13,503 | - | - | 0 | None found |
| Connersville Utilities · Connersville | 13,282 | - | - | 0 | None found |
| German Township Water District INC. · Evansville | 12,890 | - | - | 1 | Below limits |
| Auburn Water Department · Auburn | 12,800 | - | - | 0 | None found |
| Greencastle Department of Water · Greencastle | 12,699 | - | - | 0 | None found |
| Greensburg Municipal Water Works · Greensburg | 12,650 | - | - | 0 | None found |
| Indiana American Water - Wabash · Greenwood | 12,140 | - | - | 0 | None found |
| Brazil City Water Works · Brazil | 12,000 | - | - | 0 | None found |
| Patriot Water Department · Patriot | 11,937 | - | - | 0 | None found |
| IN American Water - Lowell · Greenwood | 11,908 | - | - | 0 | None found |
| North Lawrence Water Authority · Bedford | 11,625 | - | - | 0 | None found |
| Peru Water Department · Peru | 11,417 | - | - | 0 | None found |
| Borden Tri-county Region · Borden | 11,000 | - | - | 0 | None found |
| Princeton Water Department · Princeton | 10,875 | - | - | 0 | None found |
| Speedway Water Works · Speedway | 10,578 | - | - | 3 | Below limits |
| Charlestown/river Ridge · Jeffersonville | 10,500 | - | - | 0 | None found |
| Danville Water Works · Danville | 10,500 | - | - | 2 | Below limits |
| Edwardsville Water Corporation · Georgetown | 10,442 | - | - | 0 | None found |
| Tri-township Water Corporation · Lawrenceburg | 10,435 | - | - | 0 | None found |
| Kendallville Water Department · Kendallville | 10,300 | - | - | 0 | None found |
| Bluffton Utilities Water Dept · Bluffton | 10,298 | - | - | 0 | None found |
| Veolia Water of Boonville · Boonville | 10,260 | - | - | 0 | None found |
| Plymouth Water Department · Plymouth | 10,241 | - | - | 0 | None found |
| Indiana American Water - Mooresville · Greenwood | 10,083 | - | - | 0 | None found |
| Pike-gibson Water, INC. · Oakland City | 10,000 | 2.0 | - | 5 | Sample at limit |
| Bbp Water Company · Spencer | 9,903 | - | - | 0 | None found |
| Decatur Water Department · Decatur | 9,900 | - | - | 0 | None found |
| Columbia City Water Department · Columbia City | 9,892 | - | - | 0 | None found |
| Angola Water Department · Angola | 9,340 | - | - | 1 | Below limits |
| Tell City Water Department · Tell City | 9,315 | 2.1 | - | 1 | Sample at limit |
| Dubois Water Utilities · Dubois | 9,078 | - | - | 0 | None found |
| South Harrison Water Corporation · Corydon | 9,057 | - | - | 0 | None found |
| Southern Monroe Water Authority · Bloomington | 8,877 | - | - | 0 | None found |
| Morgan County Rural Water Company · Martinsville | 8,800 | - | - | 0 | None found |
| Hoosier Hills Regional Water District · Milan | 8,660 | - | - | 0 | None found |
| Indiana American Water - Charlestown · Greenwood | 8,658 | 13.1 | - | 1 | Above limit |
| Southwestern Bartholomew Water Corp. · Columbus | 8,652 | - | - | 4 | Below limits |
| Rural Membership Water Corp. of Clark CO · Henryville | 8,630 | - | - | 0 | None found |
| East Washington Rural Water · Salem | 8,613 | - | - | 0 | None found |
| Elwood Water & Sewage · Elwood | 8,586 | - | - | 0 | None found |
| Jennings Water, INC. · North Vernon | 8,370 | - | - | 0 | None found |
| Franklin County Water Association · Brookville | 8,200 | - | - | 0 | None found |
| Hill Water Corporation · Mooresville | 8,200 | - | - | 0 | None found |
| Salem Water Works · Salem | 8,200 | - | - | 0 | None found |
| Twin Lakes Utilities, INC. · Crown Point | 8,000 | - | - | 0 | None found |
| East Lawrence Water Authority · Bedford | 8,000 | - | - | 0 | None found |
| Daviess County Rural Water · Washington | 7,969 | - | - | 0 | None found |
| Fortville Water Works · Fortville | 7,638 | - | - | 0 | None found |
| Ingalls Water Company · Ingalls | 7,600 | - | - | 0 | None found |
| Linton Municipal Water Utility · Linton | 7,430 | - | - | 0 | None found |
| University of Notre Dame · Notre Dame | 7,400 | 2.1 | - | 2 | Sample at limit |
| Scottsburg Water Department · Scottsburg | 7,369 | - | - | 1 | Below limits |
| Batesville Water Utility · Batesville | 7,323 | - | - | 1 | Below limits |
| Marysville Otisco Nabb Water Corp. · Marysville | 6,813 | 13.6 | - | 1 | Above limit |
| Nappanee Water Utility · Nappanee | 6,800 | - | - | 0 | None found |
| Rushville City Utility · Rushville | 6,800 | - | - | 0 | None found |
| Kent Water Company · Hanover | 6,750 | - | - | 0 | None found |
| Floyds Knobs Water Company, INC. · Greenville | 6,690 | - | - | 0 | None found |
| Van Buren Water, INC. · Bloomington | 6,670 | - | - | 0 | None found |
| Indiana American Water - Sullivan · Greenwood | 6,598 | - | - | 0 | None found |
| Naval Support Activity, Crane · Crane | 6,538 | - | - | 0 | None found |
| Huntingburg Municipal Water · Huntingburg | 6,526 | - | - | 0 | None found |
| North Vernon Water Department · North Vernon | 6,500 | - | - | 0 | None found |
| Mount Vernon Water Works · Mount Vernon | 6,426 | 1.0 | - | 4 | Sample at limit |
| Aurora Utilities · Aurora | 6,415 | - | - | 0 | None found |
| South Lawrence Utilities · Mitchell | 6,395 | - | - | 0 | None found |
| Seelyville Water Works · Seelyville | 6,393 | - | - | 0 | None found |
| Garrett Water Utility · Garrett | 6,390 | - | - | 0 | None found |
| Rochester Water Department · Rochester | 6,218 | - | - | 0 | None found |
| Portland Municipal Water Plant · Portland | 6,209 | - | - | 0 | None found |
| Yorktown Water Department · Yorktown | 6,200 | - | - | 0 | None found |
| Rensselaer Water Department · Rensselaer | 6,200 | - | - | 0 | None found |
| North Manchester Water Department · North Manchester | 6,100 | - | - | 0 | None found |
| Gas City Water Department · Gas City | 6,000 | - | - | 0 | None found |
| Whiteland Water Works · Whiteland | 5,955 | - | - | 2 | Below limits |
| Whitestown South · Indianapolis | 5,880 | - | - | 4 | Below limits |
| North Dearborn Water Corporation · West Harrison | 5,775 | - | - | 0 | None found |
| Pendleton Water Company · Pendleton | 5,758 | - | - | 0 | None found |
| Corydon Water Works · Corydon | 5,716 | - | - | 0 | None found |
| Citizens Water - Morgan · Indianapolis | 5,705 | - | - | 0 | None found |
| Cicero Water Department · Cicero | 5,607 | - | - | 0 | None found |
| Hartford City Water Works · Hartford City | 5,600 | - | - | 0 | None found |
| Napoleon Community Rural Water Corp. · Napoleon | 5,564 | - | - | 1 | Below limits |
| Valley Rural Utility Company · Lawrenceburg | 5,529 | - | - | 0 | None found |
| New Chicago Water Works · Hobart | 5,500 | - | - | 0 | None found |
| Indiana American Water - Winchester · Greenwood | 5,405 | - | - | 0 | None found |
| L-m-s Conservancy District · Aurora | 5,375 | - | - | 0 | None found |
| Camp Atterbury · Edinburgh | 5,300 | - | - | 0 | None found |
| Monticello Water Works · Monticello | 5,300 | - | - | 0 | None found |
| Tipton Utility Service B · Tipton | 5,200 | - | - | 0 | None found |
| South Park Business Center · Indianapolis | 5,167 | - | - | 3 | Below limits |
| Alexandria Water Department · Alexandria | 5,149 | - | - | 0 | None found |
| City of Greendale Utilities · Greendale | 5,092 | - | - | 0 | None found |
| Lawrenceburg Municipal Utilities · Lawrenceburg | 5,000 | - | - | 0 | None found |
| Mitchell Water Department · Mitchell | 5,000 | - | - | 0 | None found |
| Greenville Water Utility · Greenville | 4,920 | 3.6 | - | 2 | Sample at limit |
| Whiting Water Department · Whiting | 4,900 | - | - | 0 | None found |
| Gibson Water, INC. · Haubstadt | 4,835 | 1.2 | - | 2 | Sample at limit |
| Aberdeen Pate Water Company, INC. · Aurora | 4,787 | - | - | 0 | None found |
| Clinton Water Utility · Clinton | 4,773 | - | - | 2 | Below limits |
| B&b Water Project, INC. · Bloomington | 4,695 | - | - | 0 | None found |
| Cedar Lake Water Works · Cedar Lake | 4,600 | - | - | 0 | None found |
| Bremen Water Department · Bremen | 4,516 | - | - | 0 | None found |
| Plainfield Re-entry Educational Facility · Plainfield | 4,500 | - | - | 1 | Below limits |
| Edinburgh Water Utility · Edinburgh | 4,480 | - | - | 0 | None found |
| Town of Elizabeth · Elizabeth | 4,450 | - | - | 0 | None found |
| Canaan Utilities · Canaan | 4,428 | - | - | 1 | Below limits |
| Palmyra Water Works · Palmyra | 4,425 | 3.2 | - | 1 | Sample at limit |
| Ligonier Water Works · Ligonier | 4,405 | - | - | 0 | None found |
| Ireland Utilities, INC. · Ireland | 4,395 | - | - | 1 | Below limits |
| Berne Water Department · Berne | 4,388 | - | - | 0 | None found |
| Washington Township Water · New Washington | 4,315 | - | - | 0 | None found |
| Rockville Light & Water · Rockville | 4,195 | - | - | 0 | None found |
| Tennyson Water Utility · Tennyson | 4,158 | - | - | 0 | None found |
| Pittsboro Water Company · Brownsburg | 4,113 | - | - | 2 | Below limits |
| Princes Lake Water Department · Nineveh | 4,095 | - | - | 0 | None found |
| West Terre Haute Water · Jasonville | 4,075 | - | 6.7 | 3 | Above limit |
| Bicknell Municipal Utilities · Bicknell | 4,064 | - | - | 0 | None found |
| Northwest Jasper Regional Water District · Demotte | 4,054 | - | - | 0 | None found |
| Fort Branch Water Department · Fort Branch | 4,020 | - | - | 0 | None found |
| Petersburg Water Company · Washington | 4,018 | - | - | 0 | None found |
| Reo Water Corporation · Boonville | 3,875 | - | - | 0 | None found |
| Dupont Water Company · Commiskey | 3,865 | - | - | 1 | Below limits |
| Washington Twp Water Authority · Bloomington | 3,825 | - | - | 0 | None found |
| Hebron Water Department · Hebron | 3,724 | - | - | 0 | None found |
| Knox Water Works · Knox | 3,700 | - | - | 0 | None found |
| Santa Claus Water Utility · Santa Claus | 3,683 | - | - | 0 | None found |
| Paoli Water Department · Orleans | 3,677 | - | - | 0 | None found |
| Jasonville Water Department · Jasonville | 3,660 | - | - | 0 | None found |
| East Monroe Water Corporation · Bloomington | 3,648 | - | - | 0 | None found |
| Indiana American Water - Georgetown · Greenwood | 3,605 | - | - | 0 | None found |
| Union City Water Works · Union City | 3,513 | - | - | 0 | None found |
| Posey Township Water Corp. · Hardinsburg | 3,500 | - | - | 0 | None found |
| East Fork Water · Shoals | 3,485 | - | - | 0 | None found |
| Cordry Sweetwater Conservancy District · Nineveh | 3,425 | - | - | 0 | None found |
| Middlebury Water Department · Middlebury | 3,420 | - | - | 0 | None found |
| Nashville Water Department · Nashville | 3,315 | - | - | 0 | None found |
| Upland Water Department · Upland | 3,308 | - | - | 0 | None found |
| Springs Valley Regional Water District · French Lick | 3,188 | - | - | 0 | None found |
| Loogootee Water Works · Loogootee | 2,800 | - | - | 0 | None found |
| Finch Newton Water, INC. · Chrisney | 2,672 | - | - | 0 | None found |
| Hanover Water Department · Hanover | 2,597 | 3.1 | 2.1 | 3 | Sample at limit |
| Walkerton Light & Water · Walkerton | 2,262 | - | - | 0 | None found |
| New Pekin Water Utility · Pekin | 2,150 | - | - | 1 | Below limits |
| Sisters of Holy Cross-st. Marys College · Notre Dame | 2,111 | - | - | 0 | None found |
| Fayette Township Water Assn. · Clinton | 2,000 | - | - | 0 | None found |
| Fairview Park Water Utilities · Clinton | 1,386 | - | - | 0 | None found |
| Galveston Water Works · Galveston | 1,258 | - | - | 0 | None found |
| Warren Municipal Water Works · Warren | 1,237 | - | - | 0 | None found |
| Royal Center Water Utility · Royal Center | 861 | - | - | 0 | None found |
| Apple Valley Utilities, INC. · Indianapolis | 712 | - | - | 0 | None found |
| Laville Jr. & Sr. High School · Lakeville | 675 | - | - | 0 | None found |
| Trail Tree/midcontinent Inn INC. · Winamac | 632 | - | - | 0 | None found |
| East Tippecanoe Middle School · Lafayette | 589 | - | - | 0 | None found |
| Shenandoah High School · New Castle | 540 | - | - | 0 | None found |
| Prairie Vista Elementary School · Mishawaka | 510 | - | - | 0 | None found |
| Roann Water Works · Roann | 400 | - | - | 0 | None found |
| Robert Fase Senior Center · Rensselaer | 69 | - | - | 0 | None found |
| Lippert Components (plant #30) | - | - | 1 | Below limits | |
| Silver Creek Water Corporation | - | - | 0 | None found | |
| CUII - Indiana Water Service | - | - | 0 | None found |
On a private well in Indiana?
EPA's program only covers public systems. Private wells are never part of UCMR 5, so the only way to know is to test. Our well testing guide covers which lab tests to order, and the best well water systems covers what to install once you have results.
Cite this page
Well & Tap. "PFAS in Indiana drinking water: results for 230 systems." Data: U.S. EPA UCMR 5, final release August 2026. https://wellandtap.com/pfas/indiana/
Source: EPA UCMR 5 final occurrence data (August 2026); population from EPA SDWIS. Method.