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States → Indiana

LAFAYETTE WATER WORKS

PWS ID: IN5279013 · LAFAYETTE, Indiana 47904

PFAS Detected

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

Population Served
70,835
Total Violations
46
Health-Based Violations
2
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
27,667
County
Tippecanoe
School/Daycare
No
MCL Violations
0
Monitoring Violations
33
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 10 2001
1,2-DIBROMO-3-CHLOROPROPANE MR 8 2001
Lead and Copper Rule MR 3 2011
TTHM MR 3 2019
Total Haloacetic Acids (HAA5) MR 3 2019
Revised Total Coliform Rule RPT 3 2021
Revised Total Coliform Rule MON 2 2025
Nitrate MR 2 1993
Lead and Copper Rule TT 2 2008
E. COLI MR 1 2025
2,4,5-TP MR 1 1996

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 4 of 120 samples detected PFAS.

Contaminant Date Result MRL Status
lithium 8/2/2023 11.3000 µg/L 9 µg/L Detected
6:2 FTS 8/2/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFDoA 8/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 8/2/2023 <0.006 µg/L 0.006 µg/L Not Detected
PFBS 8/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 8/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 8/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 8/2/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 8/2/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 8/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 8/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 8/2/2023 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 8/2/2023 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 8/2/2023 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 8/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 8/2/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 8/2/2023 <0.007 µg/L 0.007 µg/L Not Detected
PFOA 8/2/2023 <0.004 µg/L 0.004 µg/L Not Detected
NEtFOSAA 8/2/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 8/2/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFTA 8/2/2023 <0.008 µg/L 0.008 µg/L Not Detected
PFHpS 8/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 8/2/2023 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 8/2/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 8/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 8/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 8/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 8/2/2023 <0.004 µg/L 0.004 µg/L Not Detected
4:2 FTS 8/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 8/2/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHxS 8/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 8/2/2023 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 8/2/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 8/2/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFDoA 8/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 8/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 8/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 8/2/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 8/2/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFMBA 8/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 8/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 8/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 8/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
lithium 8/2/2023 9.7000 µg/L 9 µg/L Detected
PFOS 8/2/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 8/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 8/2/2023 <0.004 µg/L 0.004 µg/L Not Detected
HFPO-DA 8/2/2023 <0.005 µg/L 0.005 µg/L Not Detected
NEtFOSAA 8/2/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFTA 8/2/2023 <0.008 µg/L 0.008 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.