BROWN DEER, WI · Milwaukee County
BROWN DEER WATERWORKS Water System
Consumer Confidence Report status
BROWN DEER 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 BROWN DEER 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)
- WI2410556
- System type
- Community Water System
- Population served
- 12,741
- Service connections
- 4,718
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
BROWN DEER WATERWORKS is one of 87 community water systems in Wisconsin in the 10,001 to 100,000 people size category, serving 12,741 people from surface water.
As of August 1, 2026, its federal record holds 2 entries between 1994 and 2011, all of which EPA lists as closed. Nothing has been added since 2011.
None of the 2 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 Public Notice Rule and Revised PN Rule and the Total Coliform Rules.
Violation history
Public Notification Violation for NPDWR Violation
—Public Notice
August 17, 2011 – June 19, 2012
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
June 1, 1994 – June 30, 1994
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| August 17, 2011 – June 19, 2012 | Public Notification Violation for NPDWR Violation | Public Notice | — | Resolved |
| June 1, 1994 – June 30, 1994 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- June 19, 2012State Intentional no-action38 linked violations
- July 30, 1994State Compliance achieved1 linked violation
- June 27, 1994State Violation/Reminder Notice1 linked violation
- June 27, 1994State Boil Water Order1 linked violation
- June 27, 1994State Public Notification requested1 linked violation
Common questions
Is BROWN DEER WATERWORKS required to publish a Consumer Confidence Report?
- Yes. BROWN DEER 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 BROWN DEER WATERWORKS’s next Consumer Confidence Report due?
- BROWN DEER WATERWORKS’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does BROWN DEER WATERWORKS have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for BROWN DEER 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
NENNIG, THOMAS
Phone not on record
BROWN DEER, WI 53223