LAVALLE, WI · Sauk County
IRONTON 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)
- WI1570849
- System type
- Community Water System
- Population served
- 253
- Service connections
- 93
- Ownership
- local government
- Water source
- groundwater (wells)
Violation history
Monitoring, Routine (RTCR)
—Revised Total Coliform Rule
May 1, 2025 – May 31, 2025
ResolvedMonitoring, Regular
—Nitrate
January 1, 2019 – December 31, 2019
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 1994 – March 31, 1994
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 1994 – March 31, 1994
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 1994 – March 31, 1994
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 1994 – March 31, 1994
ResolvedMonitoring, Regular
—Vinyl chloride
January 1, 1994 – March 31, 1994
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 1994 – March 31, 1994
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 1994 – March 31, 1994
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 1994 – March 31, 1994
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 1994 – March 31, 1994
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 1994 – March 31, 1994
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 1994 – March 31, 1994
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 1994 – March 31, 1994
ResolvedMonitoring, Regular
—Benzene
January 1, 1994 – March 31, 1994
ResolvedMonitoring, Regular
—Toluene
January 1, 1994 – March 31, 1994
ResolvedMonitoring, Regular
—Styrene
January 1, 1994 – March 31, 1994
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 1994 – March 31, 1994
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
August 1, 1993 – August 31, 1993
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| May 1, 2025 – May 31, 2025 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| January 1, 2019 – December 31, 2019 | Monitoring, Regular | Nitrate | — | Resolved |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| August 1, 1993 – August 31, 1993 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- January 6, 2020State Compliance achieved36 linked violations
- June 8, 1994State Compliance achieved21 linked violations
- October 4, 1993State Public Notification received1 linked violation
- September 7, 1993State Violation/Reminder Notice1 linked violation
- September 7, 1993State Public Notification requested1 linked violation
- September 3, 1993State Compliance achieved1 linked violation
Contact
FERGUSON, JENNIFER - VILLAGE CLERK
Phone not on record
LAVALLE, WI 53941-9063