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SUSSEX VILLAGE HALL & WATER UTILITY

PWS ID: WI2680233 · Sussex, Wisconsin 53089

SUSSEX VILLAGE HALL & WATER UTILITY serves 11,750 people in Sussex, Wisconsin using Groundwater water sources. It has 1,254 recorded EPA violations, including 425 health-based violations. PFAS "forever chemicals" were detected in UCMR5 testing (1 compound found).

Water Quality Snapshot: SUSSEX VILLAGE HALL & WATER UTILITY

SUSSEX VILLAGE HALL & WATER UTILITY is a local-owned community water system that delivers drinking water to 11,750 residents in Sussex, Wisconsin (Waukesha County) through 4,351 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 1,254 total violations for this system , of which 425 (34%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 793 monitoring and reporting violations are on file. The most recent violation on record dates to 2023.

The most frequently cited contaminant at this system is Combined Radium (-226 and -228), recorded in 361 violations (MCL, health-based). Under EPA's UCMR5 PFAS monitoring program, 1 PFAS compound was detected in samples collected from this system, with a maximum reported concentration of 12 ppt. PFAS are persistent synthetic chemicals linked to health effects at very low exposure levels.

Across Wisconsin, EPA tracks 10,988 public water systems serving 5,131,439 people, with 285,161 cumulative violations and 58,688 health-based violations on record. About 72% of systems in the state carry at least one violation, and state-wide the average per system is 26 violations. SUSSEX VILLAGE HALL & WATER UTILITY's 1,254 violations sit above the Wisconsin average. Statewide, 78 of 202 UCMR5-tested systems have reported PFAS detections (38.6%). All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

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

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records — or to file a complaint, request a Consumer Confidence Report, or check current monitoring status — go directly to the federal and state regulators that enforce the Safe Drinking Water Act for SUSSEX VILLAGE HALL & WATER UTILITY.

Federal Source of Truth

EPA SDWIS — Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID WI2680233 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Wisconsin Drinking Water Authority

Wisconsin DNR — Drinking Water and Groundwater is the primacy agency that licenses and inspects SUSSEX VILLAGE HALL & WATER UTILITY under EPA-delegated authority.

Open WI regulator portal

Source: Wisconsin DNR — Drinking Water and Groundwater

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2023 Lead and Copper Rule MR 13 SDWIS / WI2680233 / 5000
2019 Combined Radium (-226 and -228) MCL 361 SDWIS / WI2680233 / 4010
2019 Gross Alpha, Excl. Radon and U MCL 64 SDWIS / WI2680233 / 4000
2019 Radium-228 MR 3 SDWIS / WI2680233 / 4030
2019 Gross Alpha, Excl. Radon and U MR 3 SDWIS / WI2680233 / 4000
2019 Radium-226 MR 3 SDWIS / WI2680233 / 4020
2018 Public Notice Other 22 SDWIS / WI2680233 / 7500
2008 Consumer Confidence Rule Other 4 SDWIS / WI2680233 / 7000
2007 Carbon tetrachloride MR 20 SDWIS / WI2680233 / 2982
2007 1,2,4-Trichlorobenzene MR 19 SDWIS / WI2680233 / 2378
2007 Xylenes, Total MR 19 SDWIS / WI2680233 / 2955
2007 Vinyl chloride MR 19 SDWIS / WI2680233 / 2976
2007 trans-1,2-Dichloroethylene MR 19 SDWIS / WI2680233 / 2979
2007 1,1-Dichloroethylene MR 19 SDWIS / WI2680233 / 2977
2007 Trichloroethylene MR 19 SDWIS / WI2680233 / 2984

How SUSSEX VILLAGE HALL & WATER UTILITY Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric SUSSEX VILLAGE HALL & WATER UTILITY Wisconsin avg Federal benchmark
Total violations 1,254 26 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 425 5.3 Indicates a contaminant exceeded a federal MCL
PFAS detection 1 compound 38.6% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 11,750 467 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 10,988 regulated public water systems in Wisconsin.

Federal MCL reference — Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is SUSSEX VILLAGE HALL & WATER UTILITY water safe to drink? ▼
SUSSEX VILLAGE HALL & WATER UTILITY (PWS ID: WI2680233) has 1254 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 1 PFAS compound found. This system serves 11,750 people using Groundwater sources.
How many people does SUSSEX VILLAGE HALL & WATER UTILITY serve? ▼
SUSSEX VILLAGE HALL & WATER UTILITY serves 11,750 people in Sussex, Wisconsin. It is a Local-owned system using Groundwater water sources with 4,351 service connections.
What type of violations does SUSSEX VILLAGE HALL & WATER UTILITY have? ▼
SUSSEX VILLAGE HALL & WATER UTILITY has 1,254 total violations: 425 health-based violations (MCL exceedances or treatment failures), 793 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in SUSSEX VILLAGE HALL & WATER UTILITY water? ▼
Yes. UCMR5 testing detected 1 PFAS compound in SUSSEX VILLAGE HALL & WATER UTILITY's water supply: lithium. PFAS are persistent "forever chemicals" that do not break down in the environment.
What water source does SUSSEX VILLAGE HALL & WATER UTILITY use? ▼
SUSSEX VILLAGE HALL & WATER UTILITY uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.

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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.

Read our methodology — how this data is sourced, computed, and verified.

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Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial