PlainWater

ATCHISON CO RWD 5C

PWS ID: KS2000511 · LANCASTER, Kansas 66041

PFAS Detected

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

Population Served
3,690
Total Violations
46
Health-Based Violations
4
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
1,503
County
Atchison
School/Daycare
No
MCL Violations
4
Monitoring Violations
35
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 17 2009
Revised Total Coliform Rule MON 8 2019
Lead and Copper Rule MR 6 2020
Public Notice Other 4 2009
TTHM MCL 4 2014
Consumer Confidence Rule Other 3 2008
Stage 2 Disinfectants and Disinfection Byproducts Rule MR 2 2010
TTHM MR 1 2008
Total Haloacetic Acids (HAA5) MR 1 2008

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 6 of 180 samples detected PFAS.

Contaminant Date Result MRL Status
PFOA 8/26/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 8/26/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 8/26/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 8/26/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 8/26/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 8/26/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 8/26/2024 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 8/26/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 8/26/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 8/26/2024 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 8/26/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFOS 8/26/2024 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 8/26/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 8/26/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 8/26/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 8/26/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 8/26/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 8/26/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 8/26/2024 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 8/26/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 8/26/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 8/26/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 8/26/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 8/26/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 8/26/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 7/22/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 7/22/2024 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 7/22/2024 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 7/22/2024 <0.006 µg/L 0.006 µg/L Not Detected
lithium 7/22/2024 37.0000 µg/L 9 µg/L Detected
lithium 7/22/2024 23.0000 µg/L 9 µg/L Detected
PFTrDA 7/22/2024 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 7/22/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMBA 7/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 7/22/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFDA 7/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 7/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 7/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 7/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 7/22/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 7/22/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 7/22/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 7/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 7/22/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFDoA 7/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 7/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 7/22/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 7/22/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 7/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 7/22/2024 <0.004 µg/L 0.004 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.