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Community Water System · PWS WI1140148

Hustisford Waterworks

Hustisford, Wisconsin 53034 - drinking water served from groundwater sources to 1,063 people, tracked in EPA SDWIS and UCMR5.

1,063
People served
132
EPA violations
44
Health-based
Untested
UCMR5 result

The verdict

EPA records 132 drinking-water violations at Hustisford Waterworks, 33% of them health-based - above the Wisconsin per-system average.

132
Total EPA violations on record
33%
Health-based (MCL / treatment failure)
1,063
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Hustisford Waterworks

Hustisford Waterworks is a local-owned community water system that delivers drinking water to 1,063 residents in Hustisford, Wisconsin (Dodge County) through 393 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 132 total violations for this system , of which 44 (33%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 82 monitoring and reporting violations are on file. The most recent violation on record dates to 2011.

The most frequently cited contaminant at this system is Combined Radium (-226 and -228), recorded in 21 violations (MCL, health-based). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

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. Statewide, 78 of 202 UCMR5-tested systems have reported PFAS detections (38.6%).

Hustisford Waterworks's 132 violations sit above the Wisconsin average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
1,063
Total Violations
132
Health-Based Violations
44
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
393
County
Dodge
School/Daycare
No
MCL Violations
44
Monitoring Violations
82
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Combined Radium (-226 and -228) MCL 21 2007
Gross Alpha, Excl. Radon and U MR 16 2007
Radium-226 MR 16 2007
Radium-228 MR 16 2007
Gross Alpha, Excl. Radon and U MCL 15 2000
Combined Radium (-226 and -228) MR 13 2007
Coliform (TCR) MR 9 2011
Combined Uranium MR 8 2006
Coliform (TCR) MCL 8 1994
Chlorine MR 4 2011
Public Notice Other 2 2007

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 Hustisford 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 WI1140148 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 Hustisford 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
2011 Coliform (TCR) MR 9 SDWIS / WI1140148 / 3100
2011 Chlorine MR 4 SDWIS / WI1140148 / 0999
2007 Combined Radium (-226 and -228) MCL 21 SDWIS / WI1140148 / 4010
2007 Gross Alpha, Excl. Radon and U MR 16 SDWIS / WI1140148 / 4000
2007 Radium-226 MR 16 SDWIS / WI1140148 / 4020
2007 Radium-228 MR 16 SDWIS / WI1140148 / 4030
2007 Combined Radium (-226 and -228) MR 13 SDWIS / WI1140148 / 4010
2007 Public Notice Other 2 SDWIS / WI1140148 / 7500
2006 Combined Uranium MR 8 SDWIS / WI1140148 / 4006
2000 Gross Alpha, Excl. Radon and U MCL 15 SDWIS / WI1140148 / 4000
1994 Coliform (TCR) MCL 8 SDWIS / WI1140148 / 3100

How Hustisford Waterworks Compares

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

Metric Hustisford Waterworks Wisconsin avg Federal benchmark
Total violations 132 26 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 44 5.3 Indicates a contaminant exceeded a federal MCL
PFAS detection None 38.6% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 1,063 467 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 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Hustisford Waterworks water safe to drink? ▼
Hustisford Waterworks (PWS ID: WI1140148) has 132 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,063 people using Groundwater sources.
How many people does Hustisford Waterworks serve? ▼
Hustisford Waterworks serves 1,063 people in Hustisford, Wisconsin. It is a Local-owned system using Groundwater water sources with 393 service connections.
What type of violations does Hustisford Waterworks have? ▼
Hustisford Waterworks has 132 total violations: 44 health-based violations (MCL exceedances or treatment failures), 82 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Hustisford Waterworks water? ▼
No PFAS testing data is available for Hustisford Waterworks under the EPA's UCMR5 monitoring program.
What water source does Hustisford Waterworks use? ▼
Hustisford 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.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

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

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.