CITY REPORT AZ

Willcox, AZ: 15 Violations - Home Safety 78/100

2 ZIP codes · 1 water system · Updated

ZipCheckup grade for Willcox: B.

This ZIP has a few items worth a quick check.

Based on available records, Willcox, AZ holds an A or B ZipCheckup grade.

How Willcox Compares

Willcox78/100
Arizona avg66/100
National avg73/100

Data: EPA SDWIS

2
ZIP Codes
1
Water Systems
1
ZIPs Linked to Systems with Violations
B · 78
Avg Safety Score
Zone 2
County Radon Potential (Moderate)
$162K
Median Home Value

Willcox Water: The Quick Version

  • Your city's water systems recorded 15 violations since 2021.
  • Health risk index (ZipCheckup composite of CDC data): 13.63.

Water Systems Serving Willcox

One water system is listed below for Willcox, AZ; federal data link 1 to the area overall.

Overview

We track home safety data for 2 ZIP codes in Willcox, Arizona, covering 1 community water system serving approximately 8,524 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. The available record reports no health-based violations for this measured scope.

Home Safety Score

Average Home Safety Score for Willcox: B (78/100)

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

Willcox water systems draw from: Groundwater.

Lead & Copper

  • Average of reported 90th-percentile lead results: reported as 0 mg/L (a reported 0 is not proof of no lead; check the source record for its reporting limit) (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
Chlorine Disinfectant 8 1
Revised Total Coliform Rule Microbiological 6 1
Haloacetic Acids (HAA5) Disinfection Byproducts 4 1
Total Trihalomethanes (TTHM) Disinfection Byproducts 4 1
Consumer Confidence Rule Reporting 4 1

Areas with Most Violations

ZIP Code Safety Score Violations Health-Based System
85643 B 15 0 City of Willcox

All ZIP Codes in Willcox

Data Sources

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

CDC Health Data for Willcox

10.4%
Asthma (US: 9.8%)
13.7%
Diabetes (US: 10.4%)
15.2%
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 10.4% ↑
Diabetes 13.7% ↑
Mental Health 15.2% ↑

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

Key Contaminants Detected in Willcox

Chlorine 8 violations
Disinfectant · EPA regulatory level for the contaminant named above: 4 mg/L
Revised Total Coliform Rule 6 violations
Microbiological
Indicates possible bacterial contamination
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

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

Historical Flood-Claim Evidence for Willcox

27
Total FEMA Flood Claims
$6,218
Avg Reported Sum With Payment Data
100%
A/V Share of Claim-Record ZIPs

Historical NFIP data for Willcox contains 27 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $6,218. 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.

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 Willcox, AZ?
Willcox has an average Home Safety Score of 78/100 (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. 15 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 Willcox?
EPA records list 15 EPA violations for Willcox water systems. These water-system violations are shown for 2 mapped ZIP codes.
How does Willcox compare to Arizona average?
Willcox has an average Home Safety Score of 78/100, which is at or above the Arizona state average of 66/100 for the same model series.
How many water systems serve Willcox?
Our records map 1 water system to 2 ZIP codes in Willcox. The related population figure in our data is approximately 8,524 people; it is not a count of people served citywide.
Home → Cities → Arizona → Willcox, AZ

How to cite this page

APA ZipCheckup. (2026). Willcox, AZ: 15 Violations - Home Safety 78/100. https://zipcheckup.com/cities/az/willcox/
BibTeX
@misc{zipcheckup-cities-az-willcox,
  author = {{ZipCheckup}},
  title  = {{Willcox, AZ: 15 Violations - Home Safety 78/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/az/willcox/}
}

Page version: October 2026.

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