Water Quality in Frederick, MD (21778)
EPA violation data for public water systems serving ZIP code 21778.
No Health-Based Violations
None of the 6 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are2 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 36% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
745
Population
6
Water Systems
2
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (6)
New Design - Frederick County
All resolvedCity Of Frederick
Rocky Ridge Vfd
Baltimore Brick Co.
Baltimore Brick Co.
Rocky Ridge Fire Dept
Contaminants Found
How Does This Compare?
Frederick (21778) has more violations than 36% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 2, 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.