CITY REPORT WI

New Holstein, WI Water Quality Report

1 ZIP code · 2 water systems · Updated 2026-03-16

Data: EPA SDWIS Last verified: 2026-03-16

1
ZIP Codes
2
Water Systems
1
ZIPs with Violations
Zone 1
Radon Risk (High)

Overview

We track water quality and home safety data for 1 ZIP code in New Holstein, Wisconsin, covering 2 community water systems serving approximately 3,012 people.

1 of 1 ZIP code (100%) have recorded EPA violations. All violations are monitoring/reporting type.

Water Sources

New Holstein water systems draw from: Groundwater.

Lead & Copper

  • Lead data: not yet available for New Holstein
  • 0 ZIP codes exceed the EPA lead action level

Radon Risk

Dominant radon zone: Zone 1 (High Risk)

The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.

Top Contaminants

ContaminantCategoryViolationsZIPs Affected
Consumer Confidence Report RuleReporting41
Stage 2 DBP RuleTreatment Technique21
Lead and Copper RuleTreatment Technique21

Areas with Most Violations

ZIP CodeSafety ScoreViolationsHealth-BasedSystem
5306140NEW HOLSTEIN WATERWORKS

All ZIP Codes in New Holstein

Data Sources

Updated daily.

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