Water Quality in Frederick, MD (21791)
EPA violation data for public water systems serving ZIP code 21791.
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.
5,340
Population
24
Water Systems
7
Violations (5yr)
1
Health-Based
Location
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Water Systems Serving This Area (24)
New Design - Frederick County
All resolvedCity Of Frederick
City Of Westminster
Freedom District
Union Bridge
Town Of Union Bridge
Life In Jesus Berea House
Uniontown Bible Church
1 health-basedBig Spring Farm
Heidelberg Materials Us Cement Llc
All resolvedBowman Supply
Living Water Presbyterian Church
Linwood Brethren Church
M.R. Pfoutz And Sons, Inc.
Johnsville Um Church
Bark Hill Bible Church
Deliverance Tabernacle
Linganore Grange Hall
Gospel Speading Church
Big Spring Farm
New Windsor Quarry Maintenance Shop
All resolvedBark Hill Bible Church
Union Bridge Whistle Stop
Lobo'S Market
Contaminants Found
At high levels, nitrate can cause blue baby syndrome in infants.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2022
How Does This Compare?
Frederick (21791) has more violations than 57% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 7.
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
One of the few filtration methods effective at removing nitrates and nitrites. Essential for households with infants.
Targets:Nitrate, Nitrite, Dissolved Solids
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.