PlainWater

SOUTH BEND WATER WORKS

PWS ID: IN5271014 · SOUTH BEND, Indiana 46601

PFAS Detected

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

Population Served
115,000
Total Violations
340
Health-Based Violations
6
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
46,000
County
St. Joseph
School/Daycare
No
MCL Violations
3
Monitoring Violations
330
Treatment Tech Violations
3

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Chromium MR 25 2002
Selenium MR 25 2002
Mercury MR 25 2002
Barium MR 25 2002
Cadmium MR 25 2002
Fluoride MR 25 2002
Arsenic MR 25 2002
Beryllium, Total MR 24 2002
Nickel MR 24 2002
Antimony, Total MR 24 2002
CYANIDE MR 24 2002
Thallium, Total MR 24 2002
TTHM MR 8 2013
Total Haloacetic Acids (HAA5) MR 8 2013
Nitrate MR 7 1995
E. COLI MR 4 2012
Lead and Copper Rule MR 4 2009
Lead and Copper Rule TT 3 1996
Coliform (TCR) MR 3 1999
Coliform (TCR) MCL 3 2000
Gross Alpha, Excl. Radon and U MR 1 1980

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 24 of 540 samples detected PFAS.

Contaminant Date Result MRL Status
PFDoA 5/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 5/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 5/14/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 5/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 5/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 5/14/2024 0.0048 µg/L 0.004 µg/L Detected
PFHxA 5/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 5/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 5/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 5/14/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFUnA 5/14/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFPeS 5/14/2024 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 5/14/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 5/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 5/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 5/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 5/14/2024 <0.004 µg/L 0.004 µg/L Not Detected
4:2 FTS 5/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 5/14/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 5/14/2024 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 5/14/2024 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 5/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 5/14/2024 <0.005 µg/L 0.005 µg/L Not Detected
11Cl-PF3OUdS 5/14/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 5/14/2024 <0.002 µg/L 0.002 µg/L Not Detected
lithium 5/14/2024 <9 µg/L 9 µg/L Not Detected
PFBS 5/14/2024 0.0037 µg/L 0.003 µg/L Detected
PFDoA 5/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 5/14/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFDA 5/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 5/14/2024 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 5/14/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHxS 5/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 5/14/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 5/14/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpA 5/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 5/14/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFBA 5/14/2024 0.0050 µg/L 0.005 µg/L Detected
6:2 FTS 5/14/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 5/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 5/14/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 5/14/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 5/14/2024 0.0056 µg/L 0.003 µg/L Detected
PFMBA 5/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 5/14/2024 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 5/14/2024 <0.02 µg/L 0.02 µg/L Not Detected
HFPO-DA 5/14/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHpS 5/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 5/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 5/14/2024 <0.006 µg/L 0.006 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.