PlainWater

SUSSEX VILLAGE HALL & WATER UTILITY

PWS ID: WI2680233 · Sussex, Wisconsin 53089

PFAS Detected

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

Population Served
11,750
Total Violations
1,254
Health-Based Violations
425
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
4,351
County
Waukesha
School/Daycare
No
MCL Violations
425
Monitoring Violations
793
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Combined Radium (-226 and -228) MCL 361 2019
Gross Alpha, Excl. Radon and U MCL 64 2019
Public Notice Other 22 2018
Carbon tetrachloride MR 20 2007
1,2,4-Trichlorobenzene MR 19 2007
Xylenes, Total MR 19 2007
Vinyl chloride MR 19 2007
trans-1,2-Dichloroethylene MR 19 2007
1,1-Dichloroethylene MR 19 2007
Trichloroethylene MR 19 2007
1,1,1-Trichloroethane MR 19 2007
Styrene MR 19 2007
Ethylbenzene MR 19 2007
p-Dichlorobenzene MR 19 2007
Toluene MR 19 2007
cis-1,2-Dichloroethylene MR 19 2007
DICHLOROMETHANE MR 19 2007
1,2-Dichloropropane MR 19 2007
1,1,2-Trichloroethane MR 19 2007
Tetrachloroethylene MR 19 2007
o-Dichlorobenzene MR 19 2007
CHLOROBENZENE MR 19 2007
Benzene MR 19 2007
1,2-Dichloroethane MR 19 2007
Chlordane MR 13 1999
Diquat MR 13 1999
Toxaphene MR 13 1999
Methoxychlor MR 13 1999
Endrin MR 13 1999
Dinoseb MR 13 1999

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 4 of 240 samples detected PFAS.

Contaminant Date Result MRL Status
4:2 FTS 8/8/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 8/8/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 8/8/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 8/8/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 8/8/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFEESA 8/8/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 8/8/2023 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 8/8/2023 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 8/8/2023 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 8/8/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 8/8/2023 <0.002 µg/L 0.002 µg/L Not Detected
6:2 FTS 8/8/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFOS 8/8/2023 <0.004 µg/L 0.004 µg/L Not Detected
lithium 8/8/2023 <9 µg/L 9 µg/L Not Detected
PFBA 8/8/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHxA 8/8/2023 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 8/8/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFDoA 8/8/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 8/8/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 8/8/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 8/8/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 8/8/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 8/8/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 8/8/2023 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 8/8/2023 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 8/8/2023 <0.005 µg/L 0.005 µg/L Not Detected
8:2 FTS 8/8/2023 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 8/8/2023 <0.006 µg/L 0.006 µg/L Not Detected
NFDHA 8/8/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFBS 8/8/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 8/8/2023 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 8/8/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHpS 8/8/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 8/8/2023 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 8/8/2023 <0.008 µg/L 0.008 µg/L Not Detected
PFBS 8/8/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 8/8/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 8/8/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 8/8/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 8/8/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 8/8/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 8/8/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 8/8/2023 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 8/8/2023 <0.006 µg/L 0.006 µg/L Not Detected
PFUnA 8/8/2023 <0.002 µg/L 0.002 µg/L Not Detected
lithium 8/8/2023 12.0000 µg/L 9 µg/L Detected
9Cl-PF3ONS 8/8/2023 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 8/8/2023 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 8/8/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 8/8/2023 <0.005 µg/L 0.005 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.