Public Water Partners

BROOKFIELD, WI · Waukesha County

TOWN OF BROOKFIELD SAN DIST 4 Water System

Consumer Confidence Report status

TOWN OF BROOKFIELD SAN DIST 4 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 TOWN OF BROOKFIELD SAN DIST 4.

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)
WI2680239
System type
Community Water System
Population served
6,419
Service connections
2,377
Ownership
local government
Water source
groundwater (wells)

TOWN OF BROOKFIELD SAN DIST 4 is one of 102 community water systems in Wisconsin in the 3,301 to 10,000 people size category, serving 6,419 people from groundwater.

As of August 1, 2026, its federal record holds 28 entries between 1993 and 2022, all of which EPA lists as closed. Nothing has been added since 2022.

All 28 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 synthetic organic chemicals, the Total Coliform Rules, and volatile organic chemicals.

Violation history

  • Monitoring, Routine (RTCR)

    —

    Revised Total Coliform Rule

    September 1, 2022 – September 30, 2022

    Resolved

  • Monitoring, Regular

    —

    Benzene

    January 1, 2012 – December 31, 2012

    Resolved

  • Monitoring, Regular

    —

    BHC-GAMMA

    January 1, 1993 – December 31, 1993

    Archived

  • Monitoring, Regular

    —

    Methoxychlor

    January 1, 1993 – December 31, 1993

    Archived

  • Monitoring, Regular

    —

    Dalapon

    January 1, 1993 – December 31, 1993

    Archived

  • Monitoring, Regular

    —

    Diquat

    January 1, 1993 – December 31, 1993

    Archived

  • Monitoring, Regular

    —

    Endothall

    January 1, 1993 – December 31, 1993

    Archived

  • Monitoring, Regular

    —

    Glyphosate

    January 1, 1993 – December 31, 1993

    Archived

  • Monitoring, Regular

    —

    OXAMYL

    January 1, 1993 – December 31, 1993

    Archived

  • Monitoring, Regular

    —

    Simazine

    January 1, 1993 – December 31, 1993

    Archived

  • Monitoring, Regular

    —

    Picloram

    January 1, 1993 – December 31, 1993

    Archived

  • Monitoring, Regular

    —

    Dinoseb

    January 1, 1993 – December 31, 1993

    Archived

  • Monitoring, Regular

    —

    Hexachlorocyclopentadiene

    January 1, 1993 – December 31, 1993

    Archived

  • Monitoring, Regular

    —

    Aldicarb sulfoxide

    January 1, 1993 – December 31, 1993

    Archived

  • Monitoring, Regular

    —

    Aldicarb sulfone

    January 1, 1993 – December 31, 1993

    Archived

  • Monitoring, Regular

    —

    Carbofuran

    January 1, 1993 – December 31, 1993

    Archived

  • Monitoring, Regular

    —

    Aldicarb

    January 1, 1993 – December 31, 1993

    Archived

  • Monitoring, Regular

    —

    Atrazine

    January 1, 1993 – December 31, 1993

    Archived

  • Monitoring, Regular

    —

    LASSO

    January 1, 1993 – December 31, 1993

    Archived

  • Monitoring, Regular

    —

    Heptachlor

    January 1, 1993 – December 31, 1993

    Archived

  • Monitoring, Regular

    —

    Heptachlor epoxide

    January 1, 1993 – December 31, 1993

    Archived

  • Monitoring, Regular

    —

    2,4-D

    January 1, 1993 – December 31, 1993

    Archived

  • Monitoring, Regular

    —

    2,4,5-TP

    January 1, 1993 – December 31, 1993

    Archived

  • Monitoring, Regular

    —

    HEXACHLOROBENZENE

    January 1, 1993 – December 31, 1993

    Archived

  • Monitoring, Regular

    —

    Pentachlorophenol

    January 1, 1993 – December 31, 1993

    Archived

  • Monitoring, Regular

    —

    Total Polychlorinated Biphenyls (PCB)

    January 1, 1993 – December 31, 1993

    Archived

  • Monitoring, Regular

    —

    Chlordane

    January 1, 1993 – December 31, 1993

    Archived

  • Monitoring, Regular

    —

    Endrin

    January 1, 1993 – December 31, 1993

    Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

No enforcement actions on record for this system.

Common questions

Is TOWN OF BROOKFIELD SAN DIST 4 required to publish a Consumer Confidence Report?

Yes. TOWN OF BROOKFIELD SAN DIST 4 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 TOWN OF BROOKFIELD SAN DIST 4’s next Consumer Confidence Report due?

TOWN OF BROOKFIELD SAN DIST 4’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

Does TOWN OF BROOKFIELD SAN DIST 4 have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show no open violations for TOWN OF BROOKFIELD SAN DIST 4.

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

SKOF, TONY

Phone not on record

BROOKFIELD, WI 53045-6052