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CITIZENS WATER - INDIANAPOLIS

PWS ID: IN5249004 · INDIANAPOLIS, Indiana 46202

PFAS Detected

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

Population Served
880,345
Total Violations
37
Health-Based Violations
0
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
352,138
County
Marion
School/Daycare
No
MCL Violations
0
Monitoring Violations
35
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Interim Enhanced Surface Water Treatment Rule MR 23 2020
Dalapon MR 3 2007
Nitrate MR 1 1979
Fluoride MR 1 1979
Mercury MR 1 1979
Barium MR 1 1979
Gross Alpha, Excl. Radon and U MR 1 1980
Selenium MR 1 1979
Chromium MR 1 1979
Cadmium MR 1 1979
Arsenic MR 1 1979

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 25 of 780 samples detected PFAS.

Contaminant Date Result MRL Status
PFPeS 8/30/2023 <0.004 µg/L 0.004 µg/L Not Detected
ADONA 8/30/2023 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 8/30/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 8/30/2023 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 8/30/2023 <0.005 µg/L 0.005 µg/L Not Detected
8:2 FTS 8/30/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 8/30/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 8/30/2023 0.0074 µg/L 0.003 µg/L Detected
PFTA 8/30/2023 <0.008 µg/L 0.008 µg/L Not Detected
PFMBA 8/30/2023 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 8/30/2023 <0.02 µg/L 0.02 µg/L Not Detected
9Cl-PF3ONS 8/30/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFHpS 8/30/2023 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 8/30/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 8/30/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 8/30/2023 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 8/30/2023 <0.005 µg/L 0.005 µg/L Not Detected
11Cl-PF3OUdS 8/30/2023 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 8/30/2023 <0.006 µg/L 0.006 µg/L Not Detected
PFBS 8/30/2023 0.0040 µg/L 0.003 µg/L Detected
PFHpA 8/30/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 8/30/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 8/30/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFOS 8/30/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 8/30/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 8/30/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 8/30/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 8/30/2023 0.0040 µg/L 0.003 µg/L Detected
PFNA 8/30/2023 <0.004 µg/L 0.004 µg/L Not Detected
lithium 8/30/2023 <9 µg/L 9 µg/L Not Detected
NMeFOSAA 8/23/2024 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 8/23/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTA 8/23/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 8/23/2024 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 8/23/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHxS 8/23/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 8/23/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 8/23/2023 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 8/23/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHxA 8/23/2023 0.0044 µg/L 0.003 µg/L Detected
PFHpA 8/23/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 8/23/2023 <0.007 µg/L 0.007 µg/L Not Detected
NMeFOSAA 8/23/2023 <0.006 µg/L 0.006 µg/L Not Detected
lithium 8/23/2023 <9 µg/L 9 µg/L Not Detected
PFUnA 8/23/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFBA 8/23/2023 <0.005 µg/L 0.005 µg/L Not Detected
NFDHA 8/23/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFTA 8/23/2023 <0.008 µg/L 0.008 µg/L Not Detected
8:2 FTS 8/23/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFEESA 8/23/2023 <0.003 µg/L 0.003 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.