Water Quality: Mason City, IL
1 water system • 2,558 people served
No Health ViolationsWater Quality Summary
Mason City is served by 1 public water system with a combined service population of 2,558 people, and has 1 EPA Safe Drinking Water Act violation on record. None of those violations are health-based — the records reflect missed monitoring or reporting deadlines rather than a contaminant exceeding safe levels. Mason City's violation count is 97% below the national average for Illinois.
Water Systems Serving Mason City
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| MASON CITY | IL1250350 | Groundwater | 2,558 | 1 |
Concerned About Your Water?
A home water filter can remove common contaminants. NSF-certified filters are tested against EPA standards.
Consider a reverse osmosis system for comprehensive filtration or a carbon filter for basic improvement.
Other Cities in Illinois
Data Sources
Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). Data includes all recorded violations for active community water systems.