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States → Iowa

MARION MUNICIPAL WATER DEPT

PWS ID: IA5751035 · MARION, Iowa 52302

PFAS Detected

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

Population Served
41,623
Total Violations
36
Health-Based Violations
10
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
15,383
County
Linn
School/Daycare
No
MCL Violations
10
Monitoring Violations
18
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 8 1999
Coliform (TCR) MCL 6 2003
Coliform (TCR) MR 6 2002
Combined Radium (-226 and -228) MCL 4 2015
Combined Radium (-226 and -228) MR 4 2012

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 8 of 240 samples detected PFAS.

Contaminant Date Result MRL Status
PFEESA 7/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 7/9/2024 <0.004 µg/L 0.004 µg/L Not Detected
NEtFOSAA 7/9/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTA 7/9/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFHpS 7/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
lithium 7/9/2024 169.0000 µg/L 9 µg/L Detected
NFDHA 7/9/2024 <0.02 µg/L 0.02 µg/L Not Detected
NMeFOSAA 7/9/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFMBA 7/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 7/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 7/9/2024 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 7/9/2024 <0.005 µg/L 0.005 µg/L Not Detected
11Cl-PF3OUdS 7/9/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFPeS 7/9/2024 <0.004 µg/L 0.004 µg/L Not Detected
ADONA 7/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 7/9/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 7/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 7/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 7/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 7/9/2024 <0.007 µg/L 0.007 µg/L Not Detected
9Cl-PF3ONS 7/9/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFUnA 7/9/2024 <0.002 µg/L 0.002 µg/L Not Detected
HFPO-DA 7/9/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFDoA 7/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 7/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 7/9/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFDA 7/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 7/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 7/9/2024 <0.004 µg/L 0.004 µg/L Not Detected
6:2 FTS 7/9/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFDA 7/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 7/9/2024 <0.004 µg/L 0.004 µg/L Not Detected
4:2 FTS 7/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 7/9/2024 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 7/9/2024 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 7/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 7/9/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 7/9/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 7/9/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 7/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 7/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 7/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 7/9/2024 <0.02 µg/L 0.02 µg/L Not Detected
8:2 FTS 7/9/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFOA 7/9/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 7/9/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 7/9/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 7/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 7/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 7/9/2024 <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.