Water Quality in Chesterfield, MO (63021)
EPA violation data for public water systems serving ZIP code 63021.
Past Health-Based Violations
2 health-based violations were found in the past 5 years, meaning contaminant levels exceeded federal safety limits. All have since been resolved. There are also 4 monitoring/reporting violations.
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.
55,666
Population
10
Water Systems
6
Violations (5yr)
2
Health-Based
Location
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Water Systems Serving This Area (10)
Mo American St Louis St Charles Counties
College Mhp
Ballwin Ridge Health & Rehab
Whispering Oaks Health Care
Jones Cove Subdivision
Castlewood Treatment Center
All resolvedLucky 13 Condo Owners Assn
2 health-basedRidgetree Trails
Midwest Petroleum Co 1020
Midwest Petroleum Co 1021
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jul 2024
How Does This Compare?
Chesterfield (63021) 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.
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.