MASON CITY, VILLAGE OF
PWS ID: NE3104109 · MASON CITY, Nebraska 68855
Population Served
171
Total Violations
70
Health-Based Violations
56
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 115
- County
- Custer
- School/Daycare
- No
- MCL Violations
- 51
- Monitoring Violations
- 4
- Treatment Tech Violations
- 5
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 37 | 2010 |
| Revised Total Coliform Rule | MCL | 14 | 2018 |
| Consumer Confidence Rule | Other | 6 | 2002 |
| Revised Total Coliform Rule | TT | 5 | 2016 |
| Coliform (TCR) | MR | 4 | 2003 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.