Public Water Partners

CORNELL, WI · Chippewa County

CORNELL WATERWORKS Water System

Consumer Confidence Report status

CORNELL 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 CORNELL 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)
WI6090458
System type
Community Water System
Population served
1,390
Service connections
624
Ownership
local government
Water source
groundwater (wells)

CORNELL WATERWORKS is one of 333 community water systems in Wisconsin in the 501 to 3,300 people size category, serving 1,390 people from groundwater.

As of August 1, 2026, its federal record holds 1 entry in 2016, all of which EPA lists as closed. Nothing has been added since 2016.

None of the 1 are monitoring or reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset; these involve water-quality, treatment, or public-notice findings instead. The record involves the Groundwater Rule.

Violation history

  • Treatment Technique (SWTR and GWR)

    Health-based

    Groundwater Rule

    April 1, 2016 – April 15, 2016

    Resolved

Resolved addressed and confirmed by the state

Enforcement actions

Common questions

Is CORNELL WATERWORKS required to publish a Consumer Confidence Report?

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

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

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

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

CITY OF CORNELL CLERK

Phone not on record

CORNELL, WI 54732-0796