ELKHORN, WI · Walworth County
ELKHORN 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)
- WI2650062
- System type
- Community Water System
- Population served
- 10,317
- Service connections
- 3,821
- Ownership
- local government
- Water source
- groundwater (wells)
Violation history
Public Notification Violation for NPDWR Violation
—Public Notice
November 1, 2021 – March 21, 2022
ResolvedMaximum Contaminant Level Violation, Average
Health-basedCombined Radium (-226 and -228)
January 1, 2021 – March 31, 2021
ResolvedMaximum Contaminant Level Violation, Average
Health-basedCombined Radium (-226 and -228)
October 1, 2020 – December 31, 2020
ResolvedLead Consumer Notice
—Lead and Copper Rule
January 1, 2012 – February 29, 2012
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
April 1, 2010 – June 30, 2010
ResolvedMonitoring, Regular
—DICHLOROMETHANE
April 1, 2010 – June 30, 2010
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
April 1, 2010 – June 30, 2010
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
April 1, 2010 – June 30, 2010
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2006 – July 19, 2006
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
February 1, 1991 – February 28, 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 |
|---|---|---|---|---|
| November 1, 2021 – March 21, 2022 | Public Notification Violation for NPDWR Violation | Public Notice | — | Resolved |
| January 1, 2021 – March 31, 2021 | Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Health-based | Resolved |
| October 1, 2020 – December 31, 2020 | Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Health-based | Resolved |
| January 1, 2012 – February 29, 2012 | Lead Consumer Notice | Lead and Copper Rule | — | Resolved |
| April 1, 2010 – June 30, 2010 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| April 1, 2010 – June 30, 2010 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| April 1, 2010 – June 30, 2010 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| April 1, 2010 – June 30, 2010 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| July 1, 2006 – July 19, 2006 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| February 1, 1991 – February 28, 1991 | Monitoring, Routine 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
- July 14, 2022State Public Notification received5 linked violations
- March 21, 2022State Compliance achieved3 linked violations
- March 21, 2022State Public Notification received3 linked violations
- March 17, 2022State Violation/Reminder Notice5 linked violations
- June 16, 2021State Public Notification received5 linked violations
- April 10, 2021State Formal Notice of Violation issued4 linked violations
- January 28, 2021State Bilateral Compliance Agreement signed14 linked violations
- January 28, 2021State Bilateral Compliance Agreement signed15 linked violations
- January 13, 2020State Bilateral Compliance Agreement signed16 linked violations
- January 14, 2019State Public Notification requested23 linked violations
- May 16, 2016State Public Notification received25 linked violations
- February 29, 2012State Compliance achieved25 linked violations
- October 14, 2005Federal Compliance achieved1 linked violation
- January 2, 2001State Compliance achieved269 linked violations
- March 20, 1992State Public Notification requested1 linked violation
Contact
PEREZ, REBECA - CITY CLERK
Phone not on record
ELKHORN, WI 53121