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Public water system · WI7370157

Active

Maizefield Mhc (Manufactured Home Community)

At a glance

Maizefield Mhc (Manufactured Home Community) (PWSID WI7370157) is an active community water system in Marathon County, Wisconsin. It reports serving 145 people through 49 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in July 2025.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

145

Service connections

49

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDWI7370157
System typeCommunity water system
Activity statusActive
Population served145
Service connections49
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyWI state drinking water program
City servedMosinee
StateWisconsin
ZIP—
CountyMarathon County

How does Maizefield Mhc (Manufactured Home Community) compare with other water systems in Marathon County?

By EPA's size categories, Maizefield Mhc (Manufactured Home Community) is a very small system (500 people or fewer). Marathon County has 196 active public water systems. Its population served is well below the county average of 528 people per system, and accounts for 0.1% of the 103,490 people reported by systems filed under the county. Across Wisconsin, the 11,056 active systems average 469 people each. Nationally, the average active community water system reports serving 6,703 people, so Maizefield Mhc (Manufactured Home Community) is well below that figure.

What does “community water system” mean?

A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Wisconsin has 1,053 active community water systems, 9.5% of the state's 11,056 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 10,978 Wisconsin systems (99%) list groundwater as their primary source.

Who owns and regulates Maizefield Mhc (Manufactured Home Community)?

EPA lists Maizefield Mhc (Manufactured Home Community) as privately owned. The WI state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 149 of the 196 active systems in Marathon County (76%) are also privately owned.

Does Maizefield Mhc (Manufactured Home Community) have drinking water violations?

Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in July 2025. The violations listed here began between November 2006 and July 2025. By type: 3 monitoring, 3 contaminant level above the legal limit, 3 monitoring and reporting, 2 public notice, recordkeeping or other and 1 reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 12 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.

BeganViolationContaminant or ruleHealth-basedStatus
2025-07-02ReportingNotification, Known or Potential LSL · code 4HLead and Copper Rule Revisionscode 5200NoResolved
2016-10-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2016-09-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2016-08-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2015-08-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2015-06-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2014-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Nitratecode 1040YesResolved
2010-10-01Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoResolved
2009-09-01Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2009-08-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2008-04-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2006-11-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved

The 12 most recent violations in EPA's records, newest first. Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.

Maizefield Mhc (Manufactured Home Community): frequently asked questions

Who runs Maizefield Mhc (Manufactured Home Community)?

Maizefield Mhc (Manufactured Home Community) (PWSID WI7370157) is a community water system privately owned. It is regulated by the WI state drinking water program.

How many people does Maizefield Mhc (Manufactured Home Community) serve?

Maizefield Mhc (Manufactured Home Community) reports serving 145 people through 49 service connections in Marathon County, Wisconsin.

Where does Maizefield Mhc (Manufactured Home Community) get its water?

EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.

Does Maizefield Mhc (Manufactured Home Community) have any drinking water violations?

Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in July 2025. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.

Is Maizefield Mhc (Manufactured Home Community)'s water safe to drink?

AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in July 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the WI state drinking water program.

Where can I find Maizefield Mhc (Manufactured Home Community)'s water quality report?

As a community water system, Maizefield Mhc (Manufactured Home Community) must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.

Other water systems in Marathon County

Water systemCountyPopulation servedTypeSource
Wausau WaterworksMarathon39,994CommunityGroundwater
Weston Municipal UtilitiesMarathon16,000CommunityGroundwater
Kronenwetter Water & Sewer UtilityMarathon6,931CommunityGroundwater
Rib Mountain Water UtilityMarathon6,398CommunityGroundwater
Mosinee WaterworksMarathon3,406CommunityGroundwater
Rothschild WaterworksMarathon3,190CommunityGroundwater

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About this data

Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.

Cite as: AquaCensus, “Maizefield Mhc (Manufactured Home Community), PWSID WI7370157, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/maizefield-mhc-manufactured-home-community-wi7370157 (data as of October 1, 2026).