MASON CITY, NE · Custer County

MASON CITY, VILLAGE OF Water System

Current status

1 item on record is open and awaiting resolution as of July 4, 2026. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings. Full details are in the violation history below.

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 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)

Violation history

Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2023
Unaddressed
Treatment Technique, Level 2 Assessment (RTCR)
Health-based
Revised Total Coliform Rule
December 22, 2016 – August 11, 2017
Resolved
Maximum Contaminant Level Violation, E. coli (RTCR)
Health-based
Revised Total Coliform Rule
October 1, 2016 – October 31, 2016
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
October 1, 2010 – October 31, 2010
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
November 1, 2003 – November 30, 2003
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
October 1, 2003 – October 31, 2003
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
September 1, 2002 – September 30, 2002
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2002 – August 21, 2002
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
June 1, 1997 – June 30, 1997
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
December 22, 2016 – August 11, 2017	Treatment Technique, Level 2 Assessment (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
October 1, 2010 – October 31, 2010	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	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
June 1, 1997 – June 30, 1997	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

September 30, 2018State Compliance achieved2 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 Violation/Reminder Notice1 linked violation
October 25, 2010State Public Notification requested24 linked violations
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
September 30, 2003State Compliance achieved2 linked violations
August 21, 2002State Compliance achieved1 linked violation
August 21, 2002State Violation/Reminder Notice1 linked violation
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 Public Notification requested1 linked violation
August 14, 2000State Violation/Reminder Notice1 linked violation
May 9, 2000State Compliance achieved1 linked violation
May 9, 2000State Public Notification received1 linked violation
April 29, 2000State Compliance achieved2 linked violations
February 16, 2000State Violation/Reminder Notice1 linked violation
July 2, 1999State Public Notification received1 linked violation
May 24, 1999State Violation/Reminder Notice1 linked violation
May 24, 1999State Public Notification requested1 linked violation
July 31, 1998State Compliance achieved2 linked violations
September 11, 1997State Violation/Reminder Notice4 linked violations
May 17, 1990State Public Notification requestedgeneral compliance action — not tied to a specific violation on record

Contact

HOBLYN-BITTNER, DONNA

308-732-3311

MASON CITY, NE 68855