Public Water Partners

FOND DU LAC, WI · Fond du Lac County

MARY HILL PARK SANITARY DIST Water System

Consumer Confidence Report status

MARY HILL PARK SANITARY DIST must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.

As of August 1, 2026, EPA's federal records show 1 item for MARY HILL PARK SANITARY DIST that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace Wisconsin’s official records. Always confirm current status with Wisconsin before making decisions based on this information.

System facts

System ID (PWSID)
WI4200465
System type
Community Water System
Population served
65
Service connections
23
Ownership
local government
Water source
groundwater (wells)

MARY HILL PARK SANITARY DIST is one of 1,289 community water systems in Wisconsin in the 500 or fewer people size category, serving 65 people from groundwater.

As of August 1, 2026, its federal record holds 16 entries between 1983 and 2012, of which 1 remains open; none are health-based.

Of the 16, 11 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Consumer Confidence Rule, the Radionuclides and Revised Rad Rule, and inorganic chemicals.

Violation history

  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    October 1, 2012 – June 19, 2013

    Resolved
  • Lead Consumer Notice

    Lead and Copper Rule

    January 1, 2012 – August 26, 2012

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2011 – June 19, 2013

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    August 1, 2010

    Unaddressed
  • Monitoring, Regular

    Combined Radium (-226 and -228)

    October 1, 2007 – December 31, 2007

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2005 – February 10, 2006

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    May 1, 2003 – May 31, 2003

    Resolved
  • Monitoring, Regular

    Fluoride

    January 1, 2002 – September 30, 2002

    Archived
  • Monitoring, Regular

    Nitrate-Nitrite

    January 1, 2002 – September 30, 2002

    Archived
  • Monitoring, Regular

    Selenium

    January 1, 2002 – September 30, 2002

    Archived
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    January 1, 2002 – September 30, 2002

    Archived
  • Monitoring, Regular

    o-Dichlorobenzene

    January 1, 2002 – September 30, 2002

    Archived
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    January 1, 2002 – September 30, 2002

    Archived
  • Monitoring, Check/Repeat/Confirmation

    Combined Radium (-226 and -228)

    December 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    December 1, 1993 – December 31, 1993

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    October 1, 1983 – September 30, 1987

    Archived

Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yetArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

Common questions

Is MARY HILL PARK SANITARY DIST required to publish a Consumer Confidence Report?

Yes. MARY HILL PARK SANITARY DIST is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.

When is MARY HILL PARK SANITARY DIST’s next Consumer Confidence Report due?

MARY HILL PARK SANITARY DIST’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

Does MARY HILL PARK SANITARY DIST have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show 1 item for MARY HILL PARK SANITARY DIST that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.

What is a Consumer Confidence Report?

A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.

Contact

SCHNEIDER, DYLAN

Phone not on record

FOND DU LAC, WI 54937