Water Quality in Mason City, IA (50468)
EPA violation data for public water systems serving ZIP code 50468.
No Health-Based Violations
None of the 8 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are5 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 53% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
1,617
Population
8
Water Systems
5
Violations (5yr)
0
Health-Based
Location
Loading map...
Water Systems Serving This Area (8)
Mason City Water Department
All resolvedRockford Water Supply
Tosanak Recreation Area
All resolvedRockford Golf & Country Club
Fossil And Prairie Area
Ackley Creek Park
All resolvedWest Idlewild Park
Colwell Park
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
How Does This Compare?
Mason City (50468) has more violations than 53% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 5, most of which are monitoring/reporting issues.
Water Filter Recommendations
No contaminant issues detected. For general protection, a basic carbon filter removes common impurities like chlorine and sediment. Look for NSF/ANSI 42 certified products.