Water Quality in Baltimore, MD (21237)
EPA violation data for public water systems serving ZIP code 21237.
Past Health-Based Violations
1 health-based violation was found in the past 5 years, meaning contaminant levels exceeded federal safety limits. All have since been resolved. There are also 11 monitoring/reporting violations.
More violations than 70% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
31,425
Population
10
Water Systems
12
Violations (5yr)
1
Health-Based
Location
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Water Systems Serving This Area (10)
Baltimore City-Bureau Water Su
City Of Baltimore
1 health-basedAshburton
Baltimore City Municipal Works
Baltimore City Municipal Works
Sunnybrook
All resolvedImmanuel Baptist Church
Phoenix
All resolvedRoyal Farm # 96
Browning-Ferris Industries
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
At high levels, nitrate can cause blue baby syndrome in infants.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2023
How Does This Compare?
Baltimore (21237) has more violations than 70% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 12.
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.
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.