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WEST BEND WATERWORKS

PWS ID: WI2670120 · WEST BEND, Wisconsin 53095

WEST BEND WATERWORKS serves 31,752 people in WEST BEND, Wisconsin using Groundwater water sources. It has 291 recorded EPA violations, including 22 health-based violations. PFAS "forever chemicals" were detected in UCMR5 testing (2 compounds found).

Water Quality Snapshot: WEST BEND WATERWORKS

WEST BEND WATERWORKS is a local-owned community water system that delivers drinking water to 31,752 residents in WEST BEND, Wisconsin (Washington County) through 11,760 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 291 total violations for this system , of which 22 (8%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 251 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 Coliform (TCR), recorded in 21 violations (MCL, health-based). Under EPA's UCMR5 PFAS monitoring program, 2 PFAS compounds were detected in samples collected from this system, with a maximum reported concentration of 0.0065 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. WEST BEND WATERWORKS's 291 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

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

Population Served
31,752
Total Violations
291
Health-Based Violations
22
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
11,760
County
Washington
School/Daycare
No
MCL Violations
21
Monitoring Violations
251
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 21 2002
ETHYLENE DIBROMIDE MR 4 2023
Barium MR 4 2023
Fluoride MR 4 2023
Thallium, Total MR 4 2023
Nickel MR 4 2023
Nitrate-Nitrite MR 4 2023
Selenium MR 4 2023
Beryllium, Total MR 4 2023
Arsenic MR 4 2023
Mercury MR 4 2023
Aldicarb MR 4 2023
Atrazine MR 4 2023
LASSO MR 4 2023
Heptachlor epoxide MR 4 2023
2,4-D MR 4 2023
HEXACHLOROBENZENE MR 4 2023
Pentachlorophenol MR 4 2023
Methoxychlor MR 4 2023
Dalapon MR 4 2023
Endothall MR 4 2023
Glyphosate MR 4 2023
OXAMYL MR 4 2023
Simazine MR 4 2023
Dinoseb MR 4 2023
Carbofuran MR 4 2023
1,2,4-Trichlorobenzene MR 4 2023
Xylenes, Total MR 4 2023
o-Dichlorobenzene MR 4 2023
p-Dichlorobenzene MR 4 2023

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 2 of 180 samples detected PFAS.

Contaminant Date Result MRL Status
PFUnA 6/17/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFPeS 6/17/2025 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 6/17/2025 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 6/17/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 6/17/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 6/17/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 6/17/2025 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 6/17/2025 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 6/17/2025 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 6/17/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 6/17/2025 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 6/17/2025 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 6/17/2025 <0.003 µg/L 0.003 µg/L Not Detected
lithium 6/17/2025 <9 µg/L 9 µg/L Not Detected
11Cl-PF3OUdS 6/17/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFNA 6/17/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFTA 6/17/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 6/17/2025 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 6/17/2025 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 6/17/2025 <0.006 µg/L 0.006 µg/L Not Detected
PFBS 6/17/2025 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 6/17/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFHxS 6/17/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 6/17/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 6/17/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 6/17/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 6/17/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 6/17/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 6/17/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 6/17/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 6/17/2025 <0.004 µg/L 0.004 µg/L Not Detected
NEtFOSAA 6/17/2025 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 6/17/2025 <0.006 µg/L 0.006 µg/L Not Detected
PFTrDA 6/17/2025 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 6/17/2025 <0.008 µg/L 0.008 µg/L Not Detected
4:2 FTS 6/17/2025 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 6/17/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 6/17/2025 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 6/17/2025 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 6/17/2025 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 6/17/2025 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 6/17/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 6/17/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 6/17/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 6/17/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 6/17/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 6/17/2025 <0.003 µg/L 0.003 µg/L Not Detected
lithium 6/17/2025 <9 µg/L 9 µg/L Not Detected
PFOS 6/17/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFMPA 6/17/2025 <0.004 µg/L 0.004 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 WEST BEND WATERWORKS.

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 WI2670120 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 WEST BEND WATERWORKS 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 ETHYLENE DIBROMIDE MR 4 SDWIS / WI2670120 / 2946
2023 Barium MR 4 SDWIS / WI2670120 / 1010
2023 Fluoride MR 4 SDWIS / WI2670120 / 1025
2023 Thallium, Total MR 4 SDWIS / WI2670120 / 1085
2023 Nickel MR 4 SDWIS / WI2670120 / 1036
2023 Nitrate-Nitrite MR 4 SDWIS / WI2670120 / 1038
2023 Selenium MR 4 SDWIS / WI2670120 / 1045
2023 Beryllium, Total MR 4 SDWIS / WI2670120 / 1075
2023 Arsenic MR 4 SDWIS / WI2670120 / 1005
2023 Mercury MR 4 SDWIS / WI2670120 / 1035
2023 Aldicarb MR 4 SDWIS / WI2670120 / 2047
2023 Atrazine MR 4 SDWIS / WI2670120 / 2050
2023 LASSO MR 4 SDWIS / WI2670120 / 2051
2023 Heptachlor epoxide MR 4 SDWIS / WI2670120 / 2067
2023 2,4-D MR 4 SDWIS / WI2670120 / 2105

How WEST BEND WATERWORKS Compares

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

Metric WEST BEND WATERWORKS Wisconsin avg Federal benchmark
Total violations 291 26 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 22 5.3 Indicates a contaminant exceeded a federal MCL
PFAS detection 2 compounds 38.6% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 31,752 467 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 WEST BEND WATERWORKS water safe to drink? ▼
WEST BEND WATERWORKS (PWS ID: WI2670120) has 291 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 2 PFAS compounds found. This system serves 31,752 people using Groundwater sources.
How many people does WEST BEND WATERWORKS serve? ▼
WEST BEND WATERWORKS serves 31,752 people in WEST BEND, Wisconsin. It is a Local-owned system using Groundwater water sources with 11,760 service connections.
What type of violations does WEST BEND WATERWORKS have? ▼
WEST BEND WATERWORKS has 291 total violations: 22 health-based violations (MCL exceedances or treatment failures), 251 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in WEST BEND WATERWORKS water? ▼
Yes. UCMR5 testing detected 2 PFAS compounds in WEST BEND WATERWORKS's water supply: PFOA, PFBS. PFAS are persistent "forever chemicals" that do not break down in the environment.
What water source does WEST BEND WATERWORKS use? ▼
WEST BEND WATERWORKS 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