CITY REPORT MI

Walled Lake, MI: 7 Violations - Home Safety 81/100

2 ZIP codes · 5 water systems · Updated

ZipCheckup grade for Walled Lake: B.

This ZIP looks solid, with a few items worth a quick check.

Tap water monitoring data for Walled Lake shows a consistently clean picture in MI - few violations on record, compliance well above the median.

How Walled Lake Compares

Walled Lake81/100
Michigan avg85/100
National avg73/100

Data: EPA SDWIS

2
ZIP Codes
5
Water Systems
1
ZIPs with Violations
B · 81
Avg Safety Score
Zone 2
Radon Risk (Moderate)
$288K
Median Home Value
$1,300
Est. Remediation (0.4% of home value)

Walled Lake Water: The Quick Version

  • Your city's water systems recorded 7 violations in the past 5 years.
  • Average lead level: 0.004 mg/L.
  • Estimated remediation: $1,300 per household.
  • CDC health risk index: 11.75.

Water Systems Serving Walled Lake

Federal drinking water records identify 5 systems in Walled Lake, MI. The leading 3 providers serve the largest share of residential connections, each operating as a separate entity with its own rate authority, infrastructure management, and EPA compliance obligations - so service conditions are not uniform city-wide.

Overview

We track home safety data for 2 ZIP codes in Walled Lake, Michigan (population ~24,118), covering 5 community water systems serving approximately 42,589 people region-wide. 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. The available record reports no health-based violations for this measured scope.

Home Safety Score

Average Home Safety Score for Walled Lake: 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

Walled Lake water systems draw from: Groundwater, Surface water.

Lead & Copper

  • Average lead level (90th percentile): 0.0040 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

Dominant radon zone: Zone 2 (Moderate Risk)

  • Zone 1 (High): 0 ZIP codes
  • Zone 2 (Moderate): 2 ZIP codes
  • Zone 3 (Low): 0 ZIP codes

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

Top Contaminants

Contaminant Category Violations ZIPs Affected
Surface Water Treatment Rule Treatment Technique 6 1
Haloacetic Acids (HAA5) Disinfection Byproducts 4 1
Total Trihalomethanes (TTHM) Disinfection Byproducts 2 1
Total Coliform Microbiological 2 1

Areas with Most Violations

ZIP Code Safety Score Violations Health-Based System
48390 B 7 0 Commerce Township

All ZIP Codes in Walled Lake

Data Sources

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

CDC Health Data for Walled Lake

10.6%
Asthma (US: 9.8%)
10.2%
Diabetes (US: 10.4%)
14.8%
Poor Mental Health (US: 14.8%)

Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.

Compared to National Average

Asthma 10.6% ↑
Diabetes 10.2% ↓
Mental Health 14.8% ↓

Vertical line = national average. Above national · Below national

Key Contaminants Detected in Walled Lake

Surface Water Treatment Rule 6 violations
Treatment Technique
Pathogens may not be adequately removed
Haloacetic Acids (HAA5) 4 violations
Disinfection Byproducts · EPA limit: 0.06 mg/L
Increased cancer risk with long-term exposure
Total Trihalomethanes (TTHM) 2 violations
Disinfection Byproducts · EPA limit: 0.08 mg/L
Increased cancer risk with long-term exposure

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

Walled Lake: Remediation Cost in Perspective

Remediation costs in Walled Lake are small relative to typical property values - the cost-to-value ratio here is favorable.

Median Home Value
$287,900
Est. Remediation
$1,300
Remediation as % of home value 0.4%

Remediation costs in Walled Lake are relatively low compared to home values. The $600–$2,050 estimated range is a small fraction of median property value. Home values are 41% above the Michigan average.

Protecting Children from Lead in Walled Lake

0.004
mg/L Avg Lead (Limit: 0.015)

Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.

Lead risk in Walled Lake appears low overall, but individual homes may differ. Testing is the only way to confirm your water's lead content.

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

Historical Flood-Claim Evidence for Walled Lake

2
Total FEMA Flood Claims
100%
A/V Share of Claim-Record ZIPs

Historical NFIP data for Walled Lake contains 2 flood insurance claims. Among ZIP codes with claim records, 100% 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 <strong>$1,300</strong> 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 Walled Lake, MI?
Walled Lake has an average Home Safety Score of 81/100 (Grade B) under model 4.0.0. The score combines EPA SDWIS identity plus accepted ECHO SDWA lifecycle-based water compliance, the PFAS MCL screen, EPA radon zone, and annual EPA AQI, and is published only when all required domains are observed. 7 EPA violations have been recorded. Check individual ZIP code reports for component details.
How many water violations does Walled Lake have?
Walled Lake water systems have a total of 7 EPA violations. Violations are tracked across 2 ZIP codes.
Does Walled Lake water have lead?
The average 90th-percentile lead level in Walled Lake is 0.004 mg/L. This is below the EPA action level of 0.015 mg/L. Lead levels can vary by home - testing is recommended especially in older properties.
How does Walled Lake compare to Michigan average?
Walled Lake has an average Home Safety Score of 81/100, which is below the Michigan state average of 85/100 for the same model series.
How many water systems serve Walled Lake?
Walled Lake is served by 5 public water systems across 2 ZIP codes, serving approximately 24,118 people.
How much does it cost to fix water issues in Walled Lake?
Estimated remediation costs in Walled Lake average $1,300 per household, ranging from $600 to $2,050. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
HomeCitiesMichigan → Walled Lake, MI

How to cite this page

APA ZipCheckup. (2026). Walled Lake, MI: 7 Violations - Home Safety 81/100. https://zipcheckup.com/cities/mi/walled-lake/
BibTeX
@misc{zipcheckup-cities-mi-walled-lake,
  author = {{ZipCheckup}},
  title  = {{Walled Lake, MI: 7 Violations - Home Safety 81/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/mi/walled-lake/}
}

Page version: August 2026.

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