Public Water Partners

MONONA, WI · Dane County

MONONA WATERWORKS Water System

Consumer Confidence Report status

MONONA 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 MONONA 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)
WI1130245
System type
Community Water System
Population served
8,624
Service connections
3,194
Ownership
local government
Water source
groundwater (wells)

MONONA WATERWORKS is one of 102 community water systems in Wisconsin in the 3,301 to 10,000 people size category, serving 8,624 people from groundwater.

As of August 1, 2026, its federal record holds 1 entry in 2007, all of which EPA lists as closed. Nothing has been added since 2007.

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 Total Coliform Rules.

Violation history

  • Monitoring, Routine Minor (TCR)

    —

    Coliform (TCR)

    September 1, 2007 – September 30, 2007

    Resolved

Resolved addressed and confirmed by the state

Enforcement actions

No enforcement actions on record for this system.

Common questions

Is MONONA WATERWORKS required to publish a Consumer Confidence Report?

Yes. MONONA 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 MONONA WATERWORKS’s next Consumer Confidence Report due?

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

Does MONONA WATERWORKS have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show no open violations for MONONA 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

STEPHANY, DANIEL - DIR OF PUBLIC WKS

Phone not on record

MONONA, WI 53716-2598