Water Quality in St Louis, MO (63103)
EPA violation data for public water systems serving ZIP code 63103.
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 84% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
8,778
Population
6
Water Systems
28
Violations (5yr)
1
Health-Based
Location
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Water Systems Serving This Area (6)
St Louis City Pws
All resolvedLaurel Acres Mhp
Ameren U E Rush Island
1 health-basedParadise Estates Mhp
Leonards Mhp
Primo Pants Company
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
Annual water quality report delivery requirement.
Lead & Copper Levels
Lead (Pb)
Exceeds limitSampled: Jul 2025
How Does This Compare?
St Louis (63103) has more violations than 84% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 28.
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.