DICKEYVILLE, WI · Grant County
OAK PARK COMMUNITY 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)
- WI1220095
- System type
- Community Water System
- Population served
- 90
- Service connections
- 49
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Treatment Technique, Level 1 Assessment (RTCR)
Health-basedRevised Total Coliform Rule
November 26, 2023 – December 14, 2023
ResolvedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
July 1, 2022 – August 13, 2022
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2022 – August 13, 2022
ResolvedMonitoring, Source Water (GWR)
—E. COLI
December 22, 2021 – December 29, 2021
ResolvedPublic Notification Violation for NPDWR Violation
—Public Notice
December 22, 2021 – April 24, 2023
ResolvedMonitoring, Source Water (GWR)
—E. COLI
October 24, 2021 – November 22, 2021
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
May 1, 2021 – May 31, 2021
ResolvedMonitoring, Source Water (GWR)
—E. COLI
November 18, 2020 – November 23, 2020
ResolvedLead Consumer Notice
—Lead and Copper Rule
January 1, 2016 – April 7, 2016
ResolvedPublic Notification Violation for NPDWR Violation
—Public Notice
October 1, 2013 – January 8, 2018
ResolvedPublic Notification Violation for NPDWR Violation
—Public Notice
July 1, 2013 – January 8, 2018
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
July 1, 2013 – September 30, 2013
ResolvedMonitoring, Regular
—Nitrate
January 1, 2011 – December 31, 2011
ResolvedMonitoring, Regular
—Mercury
January 1, 2000 – December 31, 2000
ResolvedMonitoring, Regular
—Cadmium
January 1, 2000 – December 31, 2000
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| November 26, 2023 – December 14, 2023 | Treatment Technique, Level 1 Assessment (RTCR) | Revised Total Coliform Rule | Health-based | Resolved |
| July 1, 2022 – August 13, 2022 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| July 1, 2022 – August 13, 2022 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| December 22, 2021 – December 29, 2021 | Monitoring, Source Water (GWR) | E. COLI | — | Resolved |
| December 22, 2021 – April 24, 2023 | Public Notification Violation for NPDWR Violation | Public Notice | — | Resolved |
| October 24, 2021 – November 22, 2021 | Monitoring, Source Water (GWR) | E. COLI | — | Resolved |
| May 1, 2021 – May 31, 2021 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| November 18, 2020 – November 23, 2020 | Monitoring, Source Water (GWR) | E. COLI | — | Resolved |
| January 1, 2016 – April 7, 2016 | Lead Consumer Notice | Lead and Copper Rule | — | Resolved |
| October 1, 2013 – January 8, 2018 | Public Notification Violation for NPDWR Violation | Public Notice | — | Resolved |
| July 1, 2013 – January 8, 2018 | Public Notification Violation for NPDWR Violation | Public Notice | — | Resolved |
| July 1, 2013 – September 30, 2013 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| January 1, 2011 – December 31, 2011 | Monitoring, Regular | Nitrate | — | Resolved |
| January 1, 2000 – December 31, 2000 | Monitoring, Regular | Mercury | — | Resolved |
| January 1, 2000 – December 31, 2000 | Monitoring, Regular | Cadmium | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- January 19, 2024State Violation/Reminder Notice2 linked violations
- December 19, 2023State Public Notification received1 linked violation
- December 19, 2023State Violation/Reminder Notice2 linked violations
- December 14, 2023State Compliance achieved2 linked violations
- December 13, 2023State Public Notification requested2 linked violations
- October 26, 2023State Public Notification requested4 linked violations
- April 24, 2023State Public Notification received3 linked violations
- December 8, 2022State Public Notification requested4 linked violations
- August 13, 2022State Compliance achieved3 linked violations
- February 8, 2022State Public Notification requested3 linked violations
- December 29, 2021State Compliance achieved2 linked violations
- November 22, 2021State Compliance achieved4 linked violations
- June 9, 2021State Compliance achieved2 linked violations
- November 23, 2020State Compliance achieved5 linked violations
- May 12, 2020State Public Notification received3 linked violations
- May 6, 2020State Violation/Reminder Notice4 linked violations
- April 13, 2020State Compliance achieved4 linked violations
- January 8, 2018State Public Notification received17 linked violations
- December 16, 2013State Compliance achieved5 linked violations
Contact
BERG, DON
Phone not on record
DICKEYVILLE, WI 53808