COLOMA, WI · Waushara County
COLOMA 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)
- WI4700265
- System type
- Community Water System
- Population served
- 454
- Service connections
- 168
- Ownership
- local government
- Water source
- groundwater (wells)
Violation history
Monitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
January 1, 2020 – December 31, 2020
ResolvedMonitoring and Reporting (DBP)
—TTHM
January 1, 2020 – December 31, 2020
ResolvedMonitoring and Reporting (DBP)
—TTHM
January 1, 2016 – December 31, 2016
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2012 – July 26, 2012
ResolvedLead Consumer Notice
—Lead and Copper Rule
January 1, 2012 – October 6, 2014
ResolvedMaximum Contaminant Level Violation, Acute (TCR)
Health-basedColiform (TCR)
August 1, 1993 – August 31, 1993
ResolvedMaximum Contaminant Level Violation, Acute (TCR)
Health-basedColiform (TCR)
September 1, 1992 – September 30, 1992
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| January 1, 2020 – December 31, 2020 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| January 1, 2020 – December 31, 2020 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| January 1, 2016 – December 31, 2016 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| July 1, 2012 – July 26, 2012 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| January 1, 2012 – October 6, 2014 | Lead Consumer Notice | Lead and Copper Rule | — | Resolved |
| August 1, 1993 – August 31, 1993 | Maximum Contaminant Level Violation, Acute (TCR) | Coliform (TCR) | Health-based | Resolved |
| September 1, 1992 – September 30, 1992 | Maximum Contaminant Level Violation, Acute (TCR) | Coliform (TCR) | Health-based | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- August 3, 2021State Compliance achieved3 linked violations
- May 27, 2021State Public Notification received2 linked violations
- January 8, 2021State Violation/Reminder Notice2 linked violations
- January 8, 2021State Public Notification requested2 linked violations
- September 8, 2011State Compliance achieved4 linked violations
- September 30, 1993State Compliance achieved1 linked violation
- August 30, 1993State Violation/Reminder Notice1 linked violation
- August 30, 1993State Public Notification requested1 linked violation
- August 30, 1993State Boil Water Order1 linked violation
- January 19, 1993State Public Notification requested2 linked violations
- January 19, 1993State Violation/Reminder Notice1 linked violation
- October 29, 1992State Compliance achieved1 linked violation
Contact
COLOMA VIL CLERK - BRENDA WALKER
Phone not on record
COLOMA, WI 54930-0353