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States → Wisconsin

WEST SALEM WATERWORKS

PWS ID: WI6320334 · WEST SALEM, Wisconsin 54669

Population Served
5,045
Total Violations
15
Health-Based Violations
5
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
1,183
County
La Crosse
School/Daycare
No
MCL Violations
5
Monitoring Violations
9
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 5 1994
Coliform (TCR) MR 4 2011
Chlorine MR 4 2011
Nickel MR 1 2002

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 180 samples detected PFAS.

Contaminant Date Result MRL Status
6:2 FTS 7/17/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFEESA 7/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 7/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 7/17/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 7/17/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 7/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 7/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 7/17/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 7/17/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFBA 7/17/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHxA 7/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 7/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 7/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 7/17/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 7/17/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 7/17/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 7/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 7/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 7/17/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 7/17/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 7/17/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 7/17/2024 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 7/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 7/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 7/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 5/21/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFBA 5/21/2024 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 5/21/2024 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 5/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 5/21/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 5/21/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 5/21/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 5/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 5/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 5/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 5/21/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFOS 5/21/2024 <0.004 µg/L 0.004 µg/L Not Detected
NEtFOSAA 5/21/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFDoA 5/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 5/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 5/21/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 5/21/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 5/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 5/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 5/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 5/21/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 5/21/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 5/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 5/21/2024 <0.006 µg/L 0.006 µg/L Not Detected
lithium 5/21/2024 <9 µg/L 9 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.