Water Quality in Frederick, MD (21757)
EPA violation data for public water systems serving ZIP code 21757.
Active Health Violations
1 health-based violation found in the past 5 years, with at least one still unresolved. Contaminant levels have exceeded federal safety limits. Consider testing your tap water independently.
More violations than 57% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
2,671
Population
21
Water Systems
6
Violations (5yr)
1
Health-Based
Location
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Water Systems Serving This Area (21)
New Design - Frederick County
All resolvedCity Of Frederick
City Of Westminster
Freedom District
Keymar Convenience Store (Citgo)
New Midway Elementary
Keymar Evangelical Church
Keysville Evangelical Lutheran Church
Terra Ruba Lions Club
Martin Marietta
Miss Loretta'S Early Learning Center
Silver Oak Academy
1 health-basedKeymar Evang. Wesleyan Church-Youth Ctr.
Evangelical Christian Ch.
Keysville Grace United Church Of Christ
Phoenix Inc.
Middleburg Umc
Pinemar Camp
Bowling Brook Home For Boys
Shelbes Grocery Basket
Crossroads Inn
Contaminants Found
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2023
How Does This Compare?
Frederick (21757) has more violations than 57% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 6.
Recommended Water Filters
Based on health-based violations detected in your area, these filter types are commonly used to address similar contaminants. Consult your water utility's Consumer Confidence Report for the most current data.
Reverse Osmosis System
Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.
Targets:Lead, Copper, Arsenic, Mercury, Cadmium
Look for:NSF/ANSI 58 certified
Always look for filters certified by NSF International for the specific contaminants you want to remove. This is general educational information, not an endorsement of any specific product.