SHAWANO, WI · Shawano County
SHAWANO WATERWORKS Water System
Current status
No open violations on record as of July 4, 2026.
This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.
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)
- WI4590456
- System type
- Community Water System
- Population served
- 9,610
- Service connections
- 3,735
- Ownership
- local government
- Water source
- groundwater (wells)
Violation history
Maximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
February 1, 1993 – February 28, 1993
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| February 1, 1993 – February 28, 1993 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- May 7, 2007State Compliance achieved64 linked violations
- March 31, 1993State Compliance achieved1 linked violation
- February 19, 1993State Violation/Reminder Notice1 linked violation
- February 19, 1993State Public Notification requested1 linked violation
Contact
MAHLOCH, MICHAEL - PUBLIC WORKS DIRECTOR
Phone not on record
SHAWANO, WI 54166