PlainWater

LYONS, CITY OF

PWS ID: KS2015903 · LYONS, Kansas 67554

PFAS Detected

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

Population Served
3,556
Total Violations
89
Health-Based Violations
7
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
1,753
County
Rice
School/Daycare
No
MCL Violations
0
Monitoring Violations
68
Treatment Tech Violations
7

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Chlorine MR 9 2021
Revised Total Coliform Rule MON 9 2021
Total Haloacetic Acids (HAA5) MR 8 2020
TTHM MR 8 2020
Nitrate MR 8 2021
Public Notice Other 7 2022
Lead and Copper Rule MR 6 2020
E. COLI MR 4 2020
LEAD AND COPPER RULE REVISIONS RPT 4 2025
Revised Total Coliform Rule TT 4 2020
Lead and Copper Rule TT 3 1993
Trichloroethylene MR 2 1989
Consumer Confidence Rule Other 2 2015
1,1,1-Trichloroethane MR 2 1989
1,2-Dichloroethane MR 2 1989
1,1-Dichloroethylene MR 2 1989
Vinyl chloride MR 2 1989
Benzene MR 2 1989
p-Dichlorobenzene MR 2 1989
Carbon tetrachloride MR 2 1989

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 4 of 120 samples detected PFAS.

Contaminant Date Result MRL Status
6:2 FTS 8/26/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFDA 8/26/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 8/26/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 8/26/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 8/26/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 8/26/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 8/26/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 8/26/2025 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 8/26/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 8/26/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 8/26/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 8/26/2025 <0.005 µg/L 0.005 µg/L Not Detected
8:2 FTS 8/26/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFTA 8/26/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFHxA 8/26/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 8/26/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFTrDA 8/26/2025 <0.007 µg/L 0.007 µg/L Not Detected
lithium 8/26/2025 29.1000 µg/L 9 µg/L Detected
PFHpS 8/26/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 8/26/2025 <0.004 µg/L 0.004 µg/L Not Detected
NEtFOSAA 8/26/2025 <0.005 µg/L 0.005 µg/L Not Detected
NFDHA 8/26/2025 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 8/26/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 8/26/2025 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 8/26/2025 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 8/26/2025 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 8/26/2025 <0.002 µg/L 0.002 µg/L Not Detected
NMeFOSAA 8/26/2025 <0.006 µg/L 0.006 µg/L Not Detected
PFUnA 8/26/2025 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 8/26/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFHpA 8/26/2025 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 8/26/2025 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 8/26/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 8/26/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 8/26/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 8/26/2025 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 8/26/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFDA 8/26/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 8/26/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 8/26/2025 <0.004 µg/L 0.004 µg/L Not Detected
ADONA 8/26/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 8/26/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 8/26/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 8/26/2025 <0.004 µg/L 0.004 µg/L Not Detected
HFPO-DA 8/26/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 8/26/2025 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 8/26/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 8/26/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 8/26/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 8/26/2025 <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.