Water Quality in Defiance, IA (51527)
EPA violation data for public water systems serving ZIP code 51527.
No Health-Based Violations
None of the 2 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are3 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 43% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
362
Population
2
Water Systems
3
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (2)
Defiance Water Department
All resolvedOil Station Cafe
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Annual water quality report delivery requirement.
How Does This Compare?
Defiance (51527) has more violations than 43% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 3, 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.