DELAFIELD, WI · Waukesha County
ST JOHNS NORTHWESTERN ACADEMIES 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)
- WI2680761
- System type
- Community Water System
- Population served
- 340
- Service connections
- 12
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Lead Consumer Notice
—Lead and Copper Rule
January 1, 2022 – February 25, 2022
ResolvedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
October 1, 2013 – April 2, 2014
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2010 – March 31, 2010
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| January 1, 2022 – February 25, 2022 | Lead Consumer Notice | Lead and Copper Rule | — | Resolved |
| October 1, 2013 – April 2, 2014 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| January 1, 2010 – March 31, 2010 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- May 22, 2023State Public Notification received41 linked violations
Contact
OEFFLING, JIM - DIRECTOR OF FACILITIES
Phone not on record
DELAFIELD, WI 53018