WATERTOWN, WI · Jefferson County
WATERTOWN 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)
- WI1280044
- System type
- Community Water System
- Population served
- 23,945
- Service connections
- 8,708
- Ownership
- local government
- Water source
- groundwater (wells)
Violation history
Monitoring and Reporting (DBP)
—TTHM
January 1, 2024 – December 31, 2024
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
January 1, 2024 – December 31, 2024
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| January 1, 2024 – December 31, 2024 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| January 1, 2024 – December 31, 2024 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- September 10, 2025State Compliance achieved55 linked violations
Contact
HARTZ, PETER
Phone not on record
WATERTOWN, WI 53094