PlainWater
States → Missouri

RICHMOND PWS

PWS ID: MO1010685 · RICHMOND, Missouri 64085-0000

PFAS Detected

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

Population Served
5,797
Total Violations
38
Health-Based Violations
10
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
2,634
County
Ray
School/Daycare
No
MCL Violations
6
Monitoring Violations
5
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 6 2009
Stage 1 Disinfectants and Disinfection Byproducts Rule TT 4 2021
Coliform (TCR) MR 3 1996
Lead and Copper Rule MR 2 2024

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 2 of 60 samples detected PFAS.

Contaminant Date Result MRL Status
PFDoA 5/9/2023 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 5/9/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHxS 5/9/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 5/9/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 5/9/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 5/9/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 5/9/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 5/9/2023 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 5/9/2023 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 5/9/2023 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 5/9/2023 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 5/9/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 5/9/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHpA 5/9/2023 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 5/9/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 5/9/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 5/9/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFMBA 5/9/2023 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 5/9/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 5/9/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 5/9/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 5/9/2023 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 5/9/2023 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 5/9/2023 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 5/9/2023 <0.006 µg/L 0.006 µg/L Not Detected
lithium 5/9/2023 24.2000 µg/L 9 µg/L Detected
PFOA 5/9/2023 <0.004 µg/L 0.004 µg/L Not Detected
6:2 FTS 5/9/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFEESA 5/9/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 5/9/2023 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 11/28/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFTA 11/28/2023 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 11/28/2023 <0.007 µg/L 0.007 µg/L Not Detected
NMeFOSAA 11/28/2023 <0.006 µg/L 0.006 µg/L Not Detected
lithium 11/28/2023 22.4000 µg/L 9 µg/L Detected
PFDoA 1/31/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 1/31/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 1/31/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 1/31/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 1/31/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxA 1/31/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 1/31/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 1/31/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 1/31/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 1/31/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFUnA 1/31/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFPeS 1/31/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFEESA 1/31/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 1/31/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 1/31/2024 <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.