Water Quality in Hazel Green, WI (53811)
EPA violation data for public water systems serving ZIP code 53811.
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 81% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
3,093
Population
20
Water Systems
24
Violations (5yr)
4
Health-Based
Location
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Water Systems Serving This Area (20)
Hazel Green Waterworks
1 health-basedGas & Moor
Country Heights Supper Club
Three Mile House
Kall Inn
Red Top Supper Club
St Joseph Catholic School
Maryville Sd 2
1 health-basedOak Side
Sandy Hook Tavern
Old Log Cabin
Stateline Mobile Home Park
2 health-basedFrommelts Cmpgd
Chops
Eagle Pt Fishing Barge Inc
Berning 76
Wards Auto Broker Inc
C & G Crafts
Sandridge Elementary
Runde Farm & Feed
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Sep 2025
How Does This Compare?
Hazel Green (53811) has more violations than 81% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 24.
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.