Water Quality in Chesterfield, MO (63357)
EPA violation data for public water systems serving ZIP code 63357.
No Health-Based Violations
None of the 14 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are9 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 65% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
6,536
Population
14
Water Systems
9
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (14)
Mo American St Louis St Charles Counties
St Charles County Pwsd 2
All resolvedSt Charles Pws
All resolvedMo American St Charles
St Peters Pws
Wentzville Pws
Ofallon Pws
All resolvedMarthasville Pws
Treloar Bar And Grill
St Ignatius Loyola School
All resolvedTemco
All resolvedWarco Mfg Co
Garage Bar
Lake Creek Farm Winery
Contaminants Found
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Annual water quality report delivery requirement.
Missed testing deadlines — not a detection of bacteria.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jul 2024
How Does This Compare?
Chesterfield (63357) has more violations than 65% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 9, most of which are monitoring/reporting issues.
Water Filter Recommendations
No contaminant issues detected. For general protection, a basic carbon filter removes common impurities like chlorine and sediment. Look for NSF/ANSI 42 certified products.