MASON CITY, NE · Custer County
MASON CITY, VILLAGE OF Water System
Consumer Confidence Report status
MASON CITY, VILLAGE OF must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show 1 item for MASON CITY, VILLAGE OF that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace Nebraska’s official records. Always confirm current status with Nebraska before making decisions based on this information.
System facts
- System ID (PWSID)
- NE3104109
- System type
- Community Water System
- Population served
- 171
- Service connections
- 115
- Ownership
- local government
- Water source
- groundwater (wells)
MASON CITY, VILLAGE OF is one of 568 community water systems in Nebraska in the 500 or fewer people size category, serving 171 people from groundwater.
As of August 1, 2026, its federal record holds 10 entries between 1998 and 2023, of which 1 remains open; none are health-based.
Of the 10, 2 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Total Coliform Rules, the Lead and Copper Rule, and the Consumer Confidence Rule.
Violation history
Follow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
January 1, 2023
UnaddressedMaximum Contaminant Level Violation, E. coli (RTCR)
Health-basedRevised Total Coliform Rule
September 1, 2017 – September 30, 2017
ResolvedMaximum Contaminant Level Violation, E. coli (RTCR)
Health-basedRevised Total Coliform Rule
October 1, 2016 – October 31, 2016
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
November 1, 2003 – November 30, 2003
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
October 1, 2003 – October 31, 2003
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
September 1, 2002 – September 30, 2002
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2002 – August 21, 2002
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
July 1, 2000 – July 31, 2000
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
April 1, 1999 – April 30, 1999
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
August 1, 1998 – August 31, 1998
Resolved
Unaddressed no corrective action on record yetResolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| January 1, 2023 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Unaddressed |
| September 1, 2017 – September 30, 2017 | Maximum Contaminant Level Violation, E. coli (RTCR) | Revised Total Coliform Rule | Health-based | Resolved |
| October 1, 2016 – October 31, 2016 | Maximum Contaminant Level Violation, E. coli (RTCR) | Revised Total Coliform Rule | Health-based | Resolved |
| November 1, 2003 – November 30, 2003 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| October 1, 2003 – October 31, 2003 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| September 1, 2002 – September 30, 2002 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| July 1, 2002 – August 21, 2002 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| July 1, 2000 – July 31, 2000 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| April 1, 1999 – April 30, 1999 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| August 1, 1998 – August 31, 1998 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
Unaddressed no corrective action on record yetResolved addressed and confirmed by the state
Enforcement actions
- February 5, 2026State Public Notification received1 linked violation
- January 5, 2026State Public Notification requested1 linked violation
- January 5, 2026State Violation/Reminder Notice1 linked violation
- September 30, 2018State Compliance achieved2 linked violations
- September 21, 2018State Administrative/Compliance Order without penalty issued3 linked violations
- September 17, 2018State Public Notification received2 linked violations
- September 7, 2018State Public Notification requested1 linked violation
- September 7, 2018State Violation/Reminder Notice2 linked violations
- November 14, 2017State Compliance achieved2 linked violations
- October 6, 2017State Public Notification requested1 linked violation
- October 6, 2017State Violation/Reminder Notice1 linked violation
- August 11, 2017State Compliance achieved2 linked violations
- March 8, 2017State Public Notification requested2 linked violations
- November 28, 2016State Public Notification received2 linked violations
- November 21, 2016State Violation/Reminder Notice2 linked violations
- October 31, 2011State Compliance achieved1 linked violation
- November 16, 2010State Public Notification received1 linked violation
- October 25, 2010State Public Notification requested24 linked violations
- October 25, 2010State Violation/Reminder Notice1 linked violation
- November 29, 2004State Compliance achieved1 linked violation
- October 30, 2004State Compliance achieved1 linked violation
- December 9, 2003State Public Notification received1 linked violation
- November 25, 2003State Public Notification received1 linked violation
- November 24, 2003State Public Notification requested1 linked violation
- November 24, 2003State Violation/Reminder Notice1 linked violation
- November 17, 2003State Public Notification requested1 linked violation
- November 17, 2003State Violation/Reminder Notice2 linked violations
- August 21, 2002State Compliance achieved1 linked violation
- August 21, 2002State Violation/Reminder Notice1 linked violation
- July 31, 2001State Compliance achieved2 linked violations
- January 23, 2001State Compliance achieved1 linked violation
- August 25, 2000State Public Notification received1 linked violation
- August 17, 2000State Public Notification received1 linked violation
- August 14, 2000State Violation/Reminder Notice1 linked violation
- August 14, 2000State Violation/Reminder Notice1 linked violation
- August 14, 2000State Public Notification requested1 linked violation
- May 9, 2000State Compliance achieved1 linked violation
- May 9, 2000State Public Notification received1 linked violation
- February 16, 2000State Violation/Reminder Notice1 linked violation
- July 2, 1999State Public Notification received1 linked violation
- May 24, 1999State Public Notification requested1 linked violation
- May 24, 1999State Violation/Reminder Notice1 linked violation
- September 11, 1997State Violation/Reminder Notice4 linked violations
- August 4, 1997State Public Notification received5 linked violations
- June 27, 1997State Violation/Reminder Notice7 linked violations
- June 27, 1997State Public Notification requested9 linked violations
- June 21, 1990State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- May 17, 1990State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
- May 17, 1990State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
Common questions
Is MASON CITY, VILLAGE OF required to publish a Consumer Confidence Report?
- Yes. MASON CITY, VILLAGE OF is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is MASON CITY, VILLAGE OF’s next Consumer Confidence Report due?
- MASON CITY, VILLAGE OF’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does MASON CITY, VILLAGE OF have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show 1 item for MASON CITY, VILLAGE OF that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
HOBLYN-BITTNER, DONNA
308-732-3311
MASON CITY, NE 68855