HALES CORNERS, WI · Milwaukee County
HALES HAPPINESS SUBDIVISION Water System
Inactive system
This water system is marked inactive in EPA’s federal records as of November 6, 2025. It is no longer an operating public water system under this PWSID, and no compliance deadlines — including the 2027 Consumer Confidence Report rule — apply to it.
If you are a resident looking for your current water provider, see water systems in Milwaukee County, WI.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 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)
- WI2410575
- System type
- Community Water System
- Population served
- 400
- Service connections
- 180
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Monitoring, Routine (RTCR)
—Revised Total Coliform Rule
October 1, 2025 – October 31, 2025
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
January 1, 2025 – January 31, 2025
ResolvedLSL Reporting
—LEAD AND COPPER RULE REVISIONS
October 17, 2024 – November 6, 2025
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
August 1, 1991 – August 31, 1991
ArchivedMonitoring, Repeat Minor (TCR)
—Coliform (TCR)
July 1, 1991 – July 31, 1991
Archived
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| October 1, 2025 – October 31, 2025 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| January 1, 2025 – January 31, 2025 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| October 17, 2024 – November 6, 2025 | LSL Reporting | LEAD AND COPPER RULE REVISIONS | — | Resolved |
| August 1, 1991 – August 31, 1991 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Archived |
| July 1, 1991 – July 31, 1991 | Monitoring, Repeat Minor (TCR) | Coliform (TCR) | — | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- November 6, 2025State Compliance achieved5 linked violations
- November 6, 2025State Compliance achieved4 linked violations
- February 20, 2025State Compliance achieved37 linked violations
- September 27, 1991State Public Notification requested1 linked violation
Last known contact on file (system is inactive)
STACHOWIAK, TIM - TRUSTEE
Phone not on record
HALES CORNERS, WI 53130