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Drinking water / IN

PFAS in Indiana drinking water

230 Indiana public water systems tested under UCMR5. 55 detected at least one PFAS compound; 175 detected none at the reporting thresholds. Values are the highest single result per compound, in ng/L (parts per trillion). The federal limit for PFOA and PFOS is 4 ng/L.

Water systemServesHighest results (ng/L)Reading
ANDERSON WATER DEPARTMENT

IN5248002

MadisonPFOS 4.1 *above final limit
BROWN COUNTY WATER UTILITY

IN5207001

BrownPFOA 12.9 *PFOS 10.5 *PFPeA 3.5PFBS 3.1above final limit
ELKHART PUBLIC WORKS AND UTILITIES

IN5220008

ElkhartPFBS 9.8PFHxS 8.8PFPeA 8.3PFBA 7.5above final limit
GIBSON WATER, INC.

IN5226009

GibsonPFOA 4.9 *PFPeA 4.1above final limit
GREENVILLE WATER UTILITY

IN5222004

FloydPFOA 7.2 *PFBS 3above final limit
HANOVER WATER DEPARTMENT

IN5239003

JeffersonPFOA 6.3 *PFBS 5.2PFOS 4.1 *above final limit
INDIANA AMERICAN WATER - CHARLESTOWN

IN5210003

ClarkPFOA 13.4 *above final limit
INDIANA AMERICAN WATER - TERRE HAUTE

IN5284012

VigoPFOS 5.2 *PFPeA 4.1PFBS 3above final limit
JACKSON COUNTY WATER UTILITY

IN5236003

JacksonPFOA 6 *PFOS 5.1 *above final limit
MADISON WATER DEPARTMENT, IN

IN5239006

JeffersonPFBS 8.5PFOA 4.6 *above final limit
MARYSVILLE OTISCO NABB WATER CORP.

IN5210006

ClarkPFOA 14.5 *above final limit
MISHAWAKA UTILITIES

IN5271009

St. JosephPFHxS 5.6PFBA 5.2PFOS 4.2 *PFBS 3.7above final limit
PALMYRA WATER WORKS

IN5231004

HarrisonPFOA 6.5 *above final limit
PIKE-GIBSON WATER, INC.

IN5263003

PikePFBA 11.6PFOA 7.9 *HFPO-DA 5.3PFPeA 4.4above final limit
RAMSEY WATER COMPANY, INC.

IN5231005

HarrisonPFOA 5.2 *above final limit
SOUTH BEND WATER WORKS

IN5271014

St. JosephPFPeA 39.7PFHxS 25.6PFBA 23.2PFHxA 20.8above final limit
TELL CITY WATER DEPARTMENT

IN5262004

PerryPFOA 4.3 *above final limit
UNIVERSITY OF NOTRE DAME

IN5271020

St. JosephPFBS 4.5PFOA 4.1 *above final limit
WEST TERRE HAUTE WATER

IN5284015

VigoPFOS 7.1 *PFHxS 3.5PFBS 3.5above final limit
ANGOLA WATER DEPARTMENT

IN5276001

SteubenPFBS 4.6detected
BARGERSVILLE WATER DEPARTMENT

IN5241001

JohnsonPFPeA 8.2PFBA 6PFHxA 5.1detected
BATESVILLE WATER UTILITY

IN5269001

RipleyPFBA 6.6detected
BROWNSBURG WATER WORKS

IN5232002

HendricksPFPeA 3.5detected
CANAAN UTILITIES

IN5239001

JeffersonPFBS 4.3detected
CITIZENS WATER - INDIANAPOLIS

IN5249004

MarionPFPeA 7.6PFBA 5.7PFHxA 5.1PFBS 4detected
CLINTON WATER UTILITY

IN5283004

VermillionPFHxS 5.6PFBS 4.1detected
COLUMBUS MUNICIPAL UTILITY

IN5203002

BartholomewPFPeA 16.3PFBS 9.6PFBA 9.2PFHxA 8.3detected
DANVILLE WATER WORKS

IN5232004

HendricksPFPeA 3.8PFHxA 3detected
DUPONT WATER COMPANY

IN5240004

JenningsPFBS 5.4detected
FORT WAYNE - 3 RIVERS FILTRATION PLANT

IN5202020

AllenPFPeA 8PFHxA 4.1detected
GERMAN TOWNSHIP WATER DISTRICT INC.

IN5282003

VanderburghPFPeA 8.5detected
GOSHEN WATER UTILITY

IN5220009

ElkhartPFPeA 5.1PFHxA 4.5detected
INDIANA AMERICAN WATER - CRAWFORDSVILLE

IN5254005

MontgomeryPFBS 4.9detected
INDIANA AMERICAN WATER - JOHNSON COUNTY

IN5241005

JohnsonPFPeA 4.9PFHxA 4.5detected
INDIANA AMERICAN WATER - NOBLESVILLE

IN5229015

HamiltonPFPeA 3.3detected
INDIANA AMERICAN WATER - WARSAW

IN5243030

KosciuskoPFPeA 5.2PFBS 5.1detected
IRELAND UTILITIES, INC.

IN5219008

DuboisPFBA 7.9detected
JASPER MUNICIPAL WATER UTILITY

IN5219009

DuboisPFBA 5.2detected
LAPORTE WATER WORKS

IN5246017

LaPortePFBS 7.4detected
LIPPERT COMPONENTS (PLANT #30)

IN2201093

ElkhartPFBA 6.7detected
MOUNT VERNON WATER WORKS

IN5265006

PoseyPFPeA 17.4HFPO-DA 5.3PFOA 4PFHxA 3.2detected
NAPOLEON COMMUNITY RURAL WATER CORP.

IN5269007

RipleyPFBS 5.4detected
NEW HAVEN WATER DEPARTMENT

IN5202009

AllenPFPeA 8.1PFHxA 5.6detected
NEW PEKIN WATER UTILITY

IN5288004

WashingtonPFBA 22.3detected
PITTSBORO WATER COMPANY

IN5232019

HendricksPFPeA 4.3PFHxA 3.9detected
PLAINFIELD RE-ENTRY EDUCATIONAL FACILITY

IN5232007

HendricksPFPeA 3.7detected
PLAINFIELD WATER WORKS

IN5232020

HendricksPFPeA 7.1PFBS 3.8PFHxA 3.7detected
PURDUE UNIV. WATER WORKS

IN5279015

TippecanoePFBS 17.4PFPeA 11.5PFHxA 11.3PFPeS 8.4detected
SCOTTSBURG WATER DEPARTMENT

IN5272001

ScottPFBA 6.5detected
SELLERSBURG WATER DEPARTMENT

IN5210010

ClarkPFOA 4detected
SOUTH PARK BUSINESS CENTER

IN2410017

JohnsonPFPeA 6.9PFHxA 5.8PFBA 5detected
SOUTHWESTERN BARTHOLOMEW WATER CORP.

IN5203008

BartholomewPFPeA 14.1PFBS 8.7PFBA 8.5PFHxA 8.3detected
SPEEDWAY WATER WORKS

IN5249008

MarionPFBA 18PFPeA 5.4PFHxA 4detected
WHITELAND WATER WORKS

IN5241009

JohnsonPFPeA 4.3PFHxA 3.7detected
WHITESTOWN SOUTH

IN5206014

BoonePFPeA 6.8PFHxA 6.1PFBA 5.7PFBS 3.1detected

* exceeds the final federal MCL for that compound. Detections of compounds whose limits EPA proposed to rescind in May 2026 are shown for information.

Systems with no PFAS detected

175 tested systems reported no PFAS above the laboratory reporting limits. Each has its own page with its sampling detail.

A detection at the system level does not tell you what reaches one specific tap: levels vary by entry point, treatment train and plumbing. A certified lab test of your own tap settles it. Testing and treatment options