PlainWater

REEDSBURG WATERWORKS

PWS ID: WI1570102 · REEDSBURG, Wisconsin 53959

PFAS Detected

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

Population Served
9,984
Total Violations
36
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
3,697
County
Sauk
School/Daycare
No
MCL Violations
0
Monitoring Violations
32
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 6 1994
Di(2-ethylhexyl) adipate MR 5 1994
Coliform (TCR) MR 3 1996
Styrene MR 1 1993
Ethylbenzene MR 1 1993
cis-1,2-Dichloroethylene MR 1 1993
CHLOROBENZENE MR 1 1993
Tetrachloroethylene MR 1 1993
Trichloroethylene MR 1 1993
1,2-Dichloropropane MR 1 1993
Carbon tetrachloride MR 1 1993
1,2-Dichloroethane MR 1 1993
1,1-Dichloroethylene MR 1 1993
Vinyl chloride MR 1 1993
o-Dichlorobenzene MR 1 1993
Xylenes, Total MR 1 1993
p-Dichlorobenzene MR 1 1993
Benzene MR 1 1993
Toluene MR 1 1993
trans-1,2-Dichloroethylene MR 1 1993
1,1,1-Trichloroethane MR 1 1993

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 2 of 300 samples detected PFAS.

Contaminant Date Result MRL Status
PFDA 8/1/2023 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 8/1/2023 <0.006 µg/L 0.006 µg/L Not Detected
PFDoA 8/1/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 8/1/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFUnA 8/1/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFBS 8/1/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 8/1/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 8/1/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 8/1/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFTrDA 8/1/2023 <0.007 µg/L 0.007 µg/L Not Detected
PFHpA 8/1/2023 <0.003 µg/L 0.003 µg/L Not Detected
lithium 8/1/2023 <9 µg/L 9 µg/L Not Detected
PFTA 8/1/2023 <0.008 µg/L 0.008 µg/L Not Detected
NEtFOSAA 8/1/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHxS 8/1/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 8/1/2023 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 8/1/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHpS 8/1/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 8/1/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFMBA 8/1/2023 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 8/1/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFMPA 8/1/2023 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 8/1/2023 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 8/1/2023 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 8/1/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 8/1/2023 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 8/1/2023 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 8/1/2023 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 8/1/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFEESA 8/1/2023 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 6/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 6/20/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFNA 6/20/2023 <0.004 µg/L 0.004 µg/L Not Detected
NMeFOSAA 6/20/2023 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 6/20/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 6/20/2023 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 6/20/2023 <0.008 µg/L 0.008 µg/L Not Detected
lithium 6/20/2023 <9 µg/L 9 µg/L Not Detected
PFHpS 6/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 6/20/2023 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 6/20/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 6/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 6/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 6/20/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 6/20/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHxA 6/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 6/20/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFBS 6/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 6/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 6/20/2023 0.0039 µg/L 0.003 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.