Water Quality in Baltimore, MD (21227)
EPA violation data for public water systems serving ZIP code 21227.
Active Health Violations
2 health-based violations 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 75% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
34,907
Population
11
Water Systems
16
Violations (5yr)
2
Health-Based
Location
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Water Systems Serving This Area (11)
Baltimore City-Bureau Water Su
City Of Baltimore
1 health-basedAshburton
Baltimore City Municipal Works
Baltimore City Municipal Works
Kaiser Permanente South Baltimore
The Neighborhoods At St. Elizabeth
1 health-basedArctic Freeze,Dominos,Yomato Sush,7-11
Shiloh Campground
Landing Road Cider Mill
Rockburn Branch Park
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
Annual water quality report delivery requirement.
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 2025
How Does This Compare?
Baltimore (21227) has more violations than 75% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 16.
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
UV Water Purifier
Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.
Targets:E. coli, Coliform, Giardia, Cryptosporidium
Look for:NSF/ANSI 55 (Class A) 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.