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States → Indiana

PURDUE UNIV. WATER WORKS

PWS ID: IN5279015 · WEST LAFAYETTE, Indiana 47906-2075

PFAS Detected

6 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.

Population Served
50,000
Total Violations
82
Health-Based Violations
3
Water Source
Groundwater

System Details

System Type
Community
Owner Type
State
Connections
241
County
Tippecanoe
School/Daycare
No
MCL Violations
3
Monitoring Violations
77
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MR 4 2006
Total Haloacetic Acids (HAA5) MR 4 2006
trans-1,2-Dichloroethylene MR 3 2002
1,2-Dichloroethane MR 3 2002
1,1,1-Trichloroethane MR 3 2002
Carbon tetrachloride MR 3 2002
Trichloroethylene MR 3 2002
Tetrachloroethylene MR 3 2002
CHLOROBENZENE MR 3 2002
Benzene MR 3 2002
Ethylbenzene MR 3 2002
Coliform (TCR) MCL 3 2001
1,2,4-Trichlorobenzene MR 3 2002
DICHLOROMETHANE MR 3 2002
o-Dichlorobenzene MR 3 2002
Xylenes, Total MR 3 2002
p-Dichlorobenzene MR 3 2002
Toluene MR 3 2002
1,1-Dichloroethylene MR 3 2002
cis-1,2-Dichloroethylene MR 3 2002
Vinyl chloride MR 3 2002
Revised Total Coliform Rule MON 3 2019
Styrene MR 3 2002
1,1,2-Trichloroethane MR 3 2002
Coliform (TCR) MR 3 2001
1,2-Dichloropropane MR 3 2002
Consumer Confidence Rule Other 2 2005

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 10 of 360 samples detected PFAS.

Contaminant Date Result MRL Status
PFUnA 8/8/2023 <0.002 µg/L 0.002 µg/L Not Detected
NMeFOSAA 8/8/2023 <0.006 µg/L 0.006 µg/L Not Detected
PFBS 8/8/2023 0.0174 µg/L 0.003 µg/L Detected
PFDoA 8/8/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 8/8/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 8/8/2023 <0.004 µg/L 0.004 µg/L Not Detected
NEtFOSAA 8/8/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 8/8/2023 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 8/8/2023 <0.008 µg/L 0.008 µg/L Not Detected
PFOS 8/8/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 8/8/2023 <0.004 µg/L 0.004 µg/L Not Detected
11Cl-PF3OUdS 8/8/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHpA 8/8/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 8/8/2023 0.0068 µg/L 0.003 µg/L Detected
NFDHA 8/8/2023 <0.02 µg/L 0.02 µg/L Not Detected
9Cl-PF3ONS 8/8/2023 <0.002 µg/L 0.002 µg/L Not Detected
lithium 8/8/2023 <9 µg/L 9 µg/L Not Detected
PFPeS 8/8/2023 0.0084 µg/L 0.004 µg/L Detected
PFHxA 8/8/2023 0.0113 µg/L 0.003 µg/L Detected
PFEESA 8/8/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 8/8/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 8/8/2023 0.0115 µg/L 0.003 µg/L Detected
ADONA 8/8/2023 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 8/8/2023 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 8/8/2023 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 8/8/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 8/8/2023 0.0056 µg/L 0.005 µg/L Detected
HFPO-DA 8/8/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 8/8/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 8/8/2023 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 8/8/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHpA 8/8/2023 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 8/8/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 8/8/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 8/8/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 8/8/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 8/8/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFPeS 8/8/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 8/8/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 8/8/2023 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 8/8/2023 <0.007 µg/L 0.007 µg/L Not Detected
NMeFOSAA 8/8/2023 <0.006 µg/L 0.006 µg/L Not Detected
PFHxS 8/8/2023 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 8/8/2023 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 8/8/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHpS 8/8/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 8/8/2023 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 8/8/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFOA 8/8/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 8/8/2023 <0.004 µg/L 0.004 µg/L Not Detected
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.