Water Quality in Mequon, WI (53097)
EPA violation data for public water systems serving ZIP code 53097.
No Health-Based Violations
None of the 30 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are5 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 53% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
7,683
Population
30
Water Systems
5
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (30)
Columbia St Marys Hospital
Christ Church Mequon
Huntington Park
Trinity Ev Lutheran School & Church - Freistadt
Brighton Ridge Subdivision
Unitarian Church North
Trinity Ev Lutheran Church - Wauwautosa Rd
Advocate Aurora Health Care
Woodridge Estates
All resolvedHighland Colony Estates Condo
Breeze Inn To The Chalet Motel
Knightsbridge Subdivision
Mequon Colony Estates
24 Hour Club
Pin High Golf Center
Random Lake Citgo
Trinity Infant & Toddler House
Korner Q Llc
Shell Francis Creek
Jt Petroleum
Wayside Nursery
Highland Family Health Center
Highland Family Health Center
Village Green Condominium 10224
Clark Oil Stn 364 N Pt Washington Rd
Fromm Family Foods Llc
Vessel Of Honor Church
Freistadt Commercial Center
6619 W Mequon Rd Bldg
Chiselled Grape Winery
Contaminants Found
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Annual water quality report delivery requirement.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Sep 2025
How Does This Compare?
Mequon (53097) has more violations than 53% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 5, 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.