DELAVAN, WI · Walworth County
DELAVAN 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)
- WI2650113
- System type
- Community Water System
- Population served
- 8,451
- Service connections
- 3,130
- Ownership
- local government
- Water source
- groundwater (wells)
Violation history
Monitoring and Reporting (DBP)
—TTHM
January 1, 2017 – December 31, 2017
ResolvedMonitoring, Check/Repeat/Confirmation
—Mercury
October 1, 2002 – October 31, 2002
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| January 1, 2017 – December 31, 2017 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| October 1, 2002 – October 31, 2002 | Monitoring, Check/Repeat/Confirmation | Mercury | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
No enforcement actions on record for this system.
Contact
DELAVAN CITY CLERK
Phone not on record
DELAVAN, WI 53115-1794