Public Water Partners

ASHWAUBENON, WI · Brown County

ASHWAUBENON WATERWORKS Water System

Consumer Confidence Report status

ASHWAUBENON 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 ASHWAUBENON 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)
WI4050456
System type
Community Water System
Population served
17,730
Service connections
6,566
Ownership
local government
Water source
surface water (rivers, lakes, or reservoirs)

ASHWAUBENON WATERWORKS is one of 87 community water systems in Wisconsin in the 10,001 to 100,000 people size category, serving 17,730 people from surface water.

As of August 1, 2026, its federal record holds 1 entry in 1987, all of which EPA lists as closed. Nothing has been added since 1987.

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 Radionuclides and Revised Rad Rule.

Violation history

  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    December 30, 1987 – December 29, 1991

    Archived

Archived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

Common questions

Is ASHWAUBENON WATERWORKS required to publish a Consumer Confidence Report?

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

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

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

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

ASHWAUBENON VIL CLERK KRIS TESKE

Phone not on record

ASHWAUBENON, WI 54304