Water Quality in Mayville, WI (53050)
EPA violation data for public water systems serving ZIP code 53050.
Active Health Violations
4 health-based violations 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 76% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
7,159
Population
31
Water Systems
17
Violations (5yr)
4
Health-Based
Location
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Water Systems Serving This Area (31)
Mayville Waterworks
1 health-basedLeroy Sanitary District 1
2 health-basedImmanuel Lutheran Church & Sch
Marsh Inn
Hillcrest Inn Llc
Mayville City Ziegler Park
Horicon Marsh Sportsmens Club, Inc Of Mayville
U S F W S Horicon Hdqrts Bldg
All resolvedMec - Plant #9
Trepaniers Pub & Grub
Willows Trailer Park 1
U S F W S Horicon Comfort Station
Mayville Limestone Inc
St Peters Evangelical Lutheran Church
Buskes Bighorn Bar & Grill
Cooper Shop Saloon
1 health-basedKekoskee Fire Dept
Kekoskee Vil Park
Lucky Shot Saloon
Dons Auto Repair
Mec - Plant #8
Us Fish & Wildlife Service Horicon Refug
Horicon Marsh Archers
Green Giant Company 463
Schweitzer Private Residence
Vanden Boom Property
Town & Country Underground Utility Const, Inc
Koepsell Funeral Home
Leroy Town Hall
Field & Stream Sportsman Club
Roxys Riverside Restaurant
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jun 2025
How Does This Compare?
Mayville (53050) has more violations than 76% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 17.
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.
Reverse Osmosis System
Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.
Targets:Lead, Copper, Arsenic, Mercury, Cadmium
Look for:NSF/ANSI 58 certified
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.