DEERFIELD, WI · Dane County
DEERFIELD 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)
- WI1130223
- System type
- Community Water System
- Population served
- 2,510
- Service connections
- 929
- Ownership
- local government
- Water source
- groundwater (wells)
Violation history
Monitoring, Routine Minor (TCR)
—Coliform (TCR)
February 1, 1994 – February 28, 1994
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
November 1, 1992 – November 30, 1992
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
September 1, 1991 – September 30, 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 |
|---|---|---|---|---|
| February 1, 1994 – February 28, 1994 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| November 1, 1992 – November 30, 1992 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| September 1, 1991 – September 30, 1991 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- October 24, 1994State Public Notification received1 linked violation
- August 29, 1994State Compliance achieved1 linked violation
- August 24, 1994State Public Notification requested1 linked violation
- August 24, 1994State Violation/Reminder Notice1 linked violation
- March 21, 1994State Public Notification requested1 linked violation
- March 21, 1994State Violation/Reminder Notice1 linked violation
- March 1, 1994State Compliance achieved1 linked violation
- January 26, 1993State Public Notification requested1 linked violation
- November 30, 1992State Compliance achieved1 linked violation
- November 25, 1992State Public Notification requested1 linked violation
- November 25, 1992State Violation/Reminder Notice1 linked violation
- December 26, 1991State Compliance achieved1 linked violation
- December 23, 1991State Public Notification requested1 linked violation
- December 23, 1991State Violation/Reminder Notice1 linked violation
- September 23, 1991State Public Notification requested1 linked violation
Contact
DOWNEY, RICHARD - DEERFIELD VIL ADMINISTRATOR
Phone not on record
DEERFIELD, WI 53531