Public Water Partners

MARATHON CITY, WI · Marathon County

MARATHON CITY WATERWORKS Water System

Consumer Confidence Report status

MARATHON CITY WATERWORKS 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 no open violations for MARATHON CITY WATERWORKS.

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)
WI7370151
System type
Community Water System
Population served
1,695
Service connections
602
Ownership
local government
Water source
groundwater (wells)

MARATHON CITY WATERWORKS is one of 333 community water systems in Wisconsin in the 501 to 3,300 people size category, serving 1,695 people from groundwater.

As of August 1, 2026, its federal record holds 1 entry in 2020, all of which EPA lists as closed. Nothing has been added since 2020.

All 1 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 Stage 2 Disinfectants and Disinfection Byproducts Rule.

Violation history

  • Monitoring and Reporting (DBP)

    —

    TTHM

    January 1, 2020 – March 31, 2020

    Resolved

Resolved addressed and confirmed by the state

Enforcement actions

No enforcement actions on record for this system.

Common questions

Is MARATHON CITY WATERWORKS required to publish a Consumer Confidence Report?

Yes. MARATHON CITY WATERWORKS 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 MARATHON CITY WATERWORKS’s next Consumer Confidence Report due?

MARATHON CITY WATERWORKS’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

Does MARATHON CITY WATERWORKS have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show no open violations for MARATHON CITY WATERWORKS.

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

VILLAGE OF MARATHON CITY

Phone not on record

MARATHON CITY, WI 54448