CITY REPORT WI HEALTH VIOLATIONS: 1

Manitowoc, WI: 1 Health Violation - Home Safety 81/100

2 ZIP codes · 3 water systems · Updated

ZipCheckup grade for Manitowoc: B.

This ZIP has a few items worth a quick check.

Manitowoc, WI carries a grade in ZipCheckup's upper tier; any health-based violations on record should be checked per water system.

How Manitowoc Compares

Manitowoc81/100
Wisconsin avg70/100
National avg73/100

Data: EPA SDWIS

2
ZIP Codes
3
Water Systems
1
ZIPs Linked to Systems with Violations
B · 81
Avg Safety Score
Zone 2
County Radon Potential (Moderate)
$160K
Median Home Value
$300
Est. Remediation (0.2% of home value)

Manitowoc Water: The Quick Version

  • Your city's water systems recorded 7 violations since 2021.
  • Average of reported 90th-percentile lead results: 0.013 mg/L.
  • Estimated remediation: $300 per household.
  • Health risk index (ZipCheckup composite of CDC data): 13.91.

Water Systems Serving Manitowoc

Federal records list 3 water systems tied to Manitowoc, WI. Of those, 3 are the primary providers, meaning service conditions, rate structures, and compliance histories can differ depending on where a property sits.

Overview

We track home safety data for 2 ZIP codes in Manitowoc, Wisconsin, covering 3 community water systems serving approximately 40,739 people. The EPA snapshots used for this build directly map water systems to 1 of 2 ZIP codes.

1 of 1 ZIP code with a reported violation count in the available EPA record (100%) have recorded EPA violations. 1 health-based violation appear in the available health breakdown.

Home Safety Score

Average Home Safety Score for Manitowoc: B (81/100)

Model 4.0.0 uses four measured components across three equally weighted domains. If a required domain is unavailable, no score is published:

Factor What It Measures
Water Quality EPA violations and compliance history
PFAS MCL Screen UCMR 5 testing against the covered federal MCLs
Radon Risk EPA radon zone classification
Annual AQI EPA AirData county-year median with at least 90 observed days

Water Sources

Manitowoc water systems draw from: Groundwater, Surface water.

Lead & Copper

  • Average of reported 90th-percentile lead results: 0.0130 mg/L (EPA action level: 0.015 mg/L)
  • 0 of 1 ZIP code with known status exceed the EPA lead action level

Radon Risk

2 of 2 ZIP records with known zones are in EPA Radon Zone 2.

The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.

Top Contaminants

Contaminant Category Violations ZIPs Affected
Haloacetic Acids (HAA5) Disinfection Byproducts 4 1
Total Trihalomethanes (TTHM) Disinfection Byproducts 4 1
Lead and Copper Rule Treatment Technique 2 1
Lead and Copper Rule Revisions Treatment Technique 2 1
Public Notice Rule Reporting 2 1

Areas with Most Violations

ZIP Code Safety Score Violations Health-Based System
54220 B 7 1 Manitowoc Waterworks

All ZIP Codes in Manitowoc

Data Sources

Reporting periods vary by source. Missing data is shown as unavailable, not as zero.

CDC Health Data for Manitowoc

10.7%
Asthma (US: 9.8%)
12.2%
Diabetes (US: 10.4%)
14.9%
Poor Mental Health (US: 14.8%)

Source: CDC PLACES (County-level estimates). County health indicators are shown for context only and are not linked to this area's water records.

Compared to National Average

Asthma 10.7% ↑
Diabetes 12.2% ↑
Mental Health 14.9% ↑

Vertical line = national average. ■ Above national · ■ Below national

Key Contaminants Detected in Manitowoc

Haloacetic Acids (HAA5) 4 violations
Disinfection Byproducts · EPA regulatory level for the contaminant named above: 0.06 mg/L
Increased cancer risk with long-term exposure above the MCL
Total Trihalomethanes (TTHM) 4 violations
Disinfection Byproducts · EPA regulatory level for the contaminant named above: 0.08 mg/L
Increased cancer risk with long-term exposure above the MCL
Lead and Copper Rule 2 violations
Treatment Technique
Developmental delays in children, kidney damage

Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.

Manitowoc: Remediation Cost in Perspective

Measured against the median home value, the estimated cost of fixing the issues flagged for Manitowoc lands in the lowest of the three tiers this page uses.

Median Home Value
$159,500
Est. Remediation
$300
Remediation as % of home value 0.2%

Estimated remediation costs in Manitowoc can be compared with local home values. The $150–$600 estimated range can be set against the median property value; actual costs vary by home. Home values are 31% below the Wisconsin average.

Protecting Children from Lead in Manitowoc

0.013
mg/L average of reported water-system 90th-percentile lead results (the 0.015 action level applies to each system's result, not to this average)

Why children are most at risk: The CDC states that no safe blood lead level in children has been identified. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.

If you have young children or are pregnant, consider testing your home's water - especially if your home was built before 1986.

Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.

Historical Flood-Claim Evidence for Manitowoc

13
Total FEMA Flood Claims
$9,138
Avg Reported Sum With Payment Data
0%
A/V Share of Claim-Record ZIPs

Historical NFIP data for Manitowoc contains 13 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $9,138. Among ZIP codes with claim records, 0% have an A- or V-family dominant rated zone recorded in those historical claims. This is not a complete current FEMA property-map inventory.

How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. The $300 remediation estimate shown here excludes flood insurance and is not derived from NFIP claim count.

Claim count does not establish current property risk. Check the exact address in FEMA's current map and obtain a property-specific insurance quote when relevant.

Source: historical FEMA National Flood Insurance Program (NFIP) claim records. No current FEMA property-map designation is asserted.

Frequently Asked Questions

What does the Home Safety Score mean for Manitowoc, WI?
Manitowoc has an average Home Safety Score of 81/100 (Grade B) under ZipCheckup model 4.0.0, an area-level model that draws on EPA water compliance records, PFAS screening, EPA radon zones, and annual EPA air quality data; see the methodology page for how inputs and coverage are handled. 7 violations appear in EPA records for water systems mapped to these ZIP codes. Check individual ZIP code reports for component details.
How many violations are on record for water systems serving Manitowoc?
EPA records list 7 EPA violations, including 1 health-based violation for Manitowoc water systems. These water-system violations are shown for 2 mapped ZIP codes.
Does Manitowoc water have lead?
The average of the reported 90th-percentile lead results across the ZIP codes of Manitowoc is 0.013 mg/L. The EPA action level of 0.015 mg/L applies to each water system's own 90th percentile, not to this average. EPA's health goal for lead is zero. Lead levels can vary by home - testing is recommended especially in older properties.
How does Manitowoc compare to Wisconsin average?
Manitowoc has an average Home Safety Score of 81/100, which is at or above the Wisconsin state average of 70/100 for the same model series.
How many water systems serve Manitowoc?
Our records map 3 water systems to 2 ZIP codes in Manitowoc. The related population figure in our data is approximately 40,739 people; it is not a count of people served citywide.
How much does it cost to fix water issues in Manitowoc?
Estimated remediation cost per household in Manitowoc: $300; modeled range $150 to $600. Estimated costs may include filtration, pipe replacement, radon mitigation, or flood protection where applicable.
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How to cite this page

APA ZipCheckup. (2026). Manitowoc, WI: 1 Health Violation - Home Safety 81/100. https://zipcheckup.com/cities/wi/manitowoc/
BibTeX
@misc{zipcheckup-cities-wi-manitowoc,
  author = {{ZipCheckup}},
  title  = {{Manitowoc, WI: 1 Health Violation - Home Safety 81/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/wi/manitowoc/}
}

Page version: October 2026.

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