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OUR LADY OF THE HOLYLAND PARISH ST JOHN SITE

PWS ID: WI4200647 · MALONE, Wisconsin 53049

OUR LADY OF THE HOLYLAND PARISH ST JOHN SITE serves 234 people in MALONE, Wisconsin using Groundwater water sources. It has 12 recorded EPA violations, including 3 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: OUR LADY OF THE HOLYLAND PARISH ST JOHN SITE

OUR LADY OF THE HOLYLAND PARISH ST JOHN SITE is a private-owned non-transient non-community water system that delivers drinking water to 234 residents in MALONE, Wisconsin (Fond du Lac County) through 3 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 12 total violations for this system , of which 3 (25%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 6 monitoring and reporting violations are on file. The most recent violation on record dates to 1996.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 6 violations (MR). 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. OUR LADY OF THE HOLYLAND PARISH ST JOHN SITE's 12 violations sit below 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.

Population Served
234
Total Violations
12
Health-Based Violations
3
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
3
County
Fond du Lac
School/Daycare
Yes
MCL Violations
3
Monitoring Violations
6
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 6 1996
Nitrate MCL 2 1989
Nitrate-Nitrite MCL 1 1994

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 OUR LADY OF THE HOLYLAND PARISH ST JOHN SITE.

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 WI4200647 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 OUR LADY OF THE HOLYLAND PARISH ST JOHN SITE 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
1996 Coliform (TCR) MR 6 SDWIS / WI4200647 / 3100
1994 Nitrate-Nitrite MCL 1 SDWIS / WI4200647 / 1038
1989 Nitrate MCL 2 SDWIS / WI4200647 / 1040

How OUR LADY OF THE HOLYLAND PARISH ST JOHN SITE Compares

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

Metric OUR LADY OF THE HOLYLAND PARISH ST JOHN SITE Wisconsin avg Federal benchmark
Total violations 12 26 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 3 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 234 467 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 OUR LADY OF THE HOLYLAND PARISH ST JOHN SITE water safe to drink?
OUR LADY OF THE HOLYLAND PARISH ST JOHN SITE (PWS ID: WI4200647) has 12 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 234 people using Groundwater sources.
How many people does OUR LADY OF THE HOLYLAND PARISH ST JOHN SITE serve?
OUR LADY OF THE HOLYLAND PARISH ST JOHN SITE serves 234 people in MALONE, Wisconsin. It is a Private-owned system using Groundwater water sources with 3 service connections.
What type of violations does OUR LADY OF THE HOLYLAND PARISH ST JOHN SITE have?
OUR LADY OF THE HOLYLAND PARISH ST JOHN SITE has 12 total violations: 3 health-based violations (MCL exceedances or treatment failures), 6 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in OUR LADY OF THE HOLYLAND PARISH ST JOHN SITE water?
No PFAS testing data is available for OUR LADY OF THE HOLYLAND PARISH ST JOHN SITE under the EPA's UCMR5 monitoring program.
What water source does OUR LADY OF THE HOLYLAND PARISH ST JOHN SITE use?
OUR LADY OF THE HOLYLAND PARISH ST JOHN SITE uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
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. This data is provided for informational purposes only.

Related

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