PlainWater
States → Missouri

FESTUS PWS

PWS ID: MO6010276 · FESTUS, Missouri 63028-0000

PFAS Detected

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

Population Served
12,054
Total Violations
12
Health-Based Violations
3
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
5,698
County
Jefferson
School/Daycare
No
MCL Violations
3
Monitoring Violations
4
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 4 2014
Coliform (TCR) MCL 3 2002
Consumer Confidence Rule Other 1 2014

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 8 of 120 samples detected PFAS.

Contaminant Date Result MRL Status
8:2 FTS 9/23/2024 <0.005 µg/L 0.005 µg/L Not Detected
lithium 9/23/2024 17.2000 µg/L 9 µg/L Detected
NFDHA 9/23/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 9/23/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 9/23/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 9/23/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 9/23/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxA 9/23/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 9/23/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 9/23/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 9/23/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 9/23/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 9/23/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeS 9/23/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 9/23/2024 <0.004 µg/L 0.004 µg/L Not Detected
4:2 FTS 9/23/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 9/23/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 9/23/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 9/23/2024 0.0073 µg/L 0.005 µg/L Detected
6:2 FTS 9/23/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 9/23/2024 <0.002 µg/L 0.002 µg/L Not Detected
HFPO-DA 9/23/2024 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 9/23/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 9/23/2024 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 9/23/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 9/23/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 5/31/2024 <0.007 µg/L 0.007 µg/L Not Detected
11Cl-PF3OUdS 5/31/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTA 5/31/2024 <0.008 µg/L 0.008 µg/L Not Detected
NEtFOSAA 5/31/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 5/31/2024 0.0084 µg/L 0.005 µg/L Detected
PFBS 5/31/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 5/31/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 5/31/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 5/31/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 5/31/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 5/31/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 5/31/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 5/31/2024 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 5/31/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 5/31/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 5/31/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHxA 5/31/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 5/31/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 5/31/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 5/31/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 5/31/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 5/31/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 5/31/2024 <0.003 µg/L 0.003 µg/L Not Detected
lithium 5/31/2024 16.4000 µg/L 9 µg/L 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.