CITY REPORT CA 1 HEALTH VIOLATIONS

Coronado, CA: 1 Health Violation - Home Safety 91/100

2 ZIP codes · 2 water systems · Updated

ZipCheckup grade for Coronado: A.

No federal data flags a major home-safety concern for this ZIP.

Water utilities in Coronado have maintained a consistent compliance record over recent monitoring periods - the city's above-average grade in CA reflects low violation rates and no systemic health concerns flagged in current data.

How Coronado Compares

Coronado91/100
California avg76/100
National avg73/100

Data: EPA SDWIS

2
ZIP Codes
2
Water Systems
1
ZIPs with Violations
A · 91
Avg Safety Score
Zone 3
Radon Risk (Low)
$2.0M
Median Home Value
$1,850
Est. Remediation (0.1% of home value)

Key Facts for Coronado Residents

  • Your city's water systems recorded 1 violation in the past 5 years.
  • Average lead level: 0.002 mg/L.
  • Estimated remediation: $1,850 per household.
  • CDC health risk index: 10.18.

Coronado's Water Providers

Water delivery in Coronado, CA is handled by 2 utilities rather than a single system - drawn from 2 providers in federal records, each filing its own compliance reports and setting its own rates.

Overview

We track home safety data for 2 ZIP codes in Coronado, California (population ~18,495), covering 2 community water systems serving approximately 142,990 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. 1 health-based violation appear in the available health breakdown.

Home Safety Score

Average Home Safety Score for Coronado: A (91/100)

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

Coronado water systems draw from: Surface water.

Lead & Copper

  • Average lead level (90th percentile): 0.0020 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 3 (Low Risk)

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

Top Contaminants

Contaminant Category Violations ZIPs Affected
Consumer Confidence Report Rule Reporting 2 1

Areas with Most Violations

ZIP Code Safety Score Violations Health-Based System
92118 A 1 1 Cal-am Water Coronado

All ZIP Codes in Coronado

Data Sources

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

Coronado Community Health Snapshot

8.9%
Asthma (US: 9.8%)
10%
Diabetes (US: 10.4%)
16.3%
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 8.9% ↓
Diabetes 10% ↓
Mental Health 16.3% ↑

Vertical line = national average. Above national · Below national

What's in Coronado's Water?

Consumer Confidence Report Rule 2 violations
Reporting

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

How Remediation Costs Compare in Coronado

For most homeowners in Coronado, the estimated cost of water and safety remediation represents a proportionally modest share of what properties are worth - placing this area in the lower tier of the remediation share scale.

Median Home Value
$2.0M
Est. Remediation
$1,850
Remediation as % of home value 0.1%

Remediation costs in Coronado are relatively low compared to home values. The $1,300–$2,900 estimated range is a small fraction of median property value. Home values are 171% above the California average.

Coronado: Lead Risk & Vulnerable Populations

0.002
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 Coronado 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.

Coronado: NFIP Claim Records and Water-Quality Context

36
Total FEMA Flood Claims
$62,154
Avg Reported Sum With Payment Data
0%
A/V Share of Claim-Record ZIPs

Historical NFIP data for Coronado contains 36 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $62,154. 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 <strong>$1,850</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 Coronado, CA?
Coronado has an average Home Safety Score of 91/100 (Grade A) 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. 1 EPA violation has been recorded. Check individual ZIP code reports for component details.
How many water violations does Coronado have?
Coronado water systems have a total of 1 EPA violation, including 1 health-based violation. Violations are tracked across 2 ZIP codes.
Does Coronado water have lead?
The average 90th-percentile lead level in Coronado is 0.002 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 Coronado compare to California average?
Coronado has an average Home Safety Score of 91/100, which is above the California state average of 76/100 for the same model series.
How many water systems serve Coronado?
Coronado is served by 2 public water systems across 2 ZIP codes, serving approximately 18,495 people.
How much does it cost to fix water issues in Coronado?
Estimated remediation costs in Coronado average $1,850 per household, ranging from $1,300 to $2,900. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
HomeCitiesCalifornia → Coronado, CA

How to cite this page

APA ZipCheckup. (2026). Coronado, CA: 1 Health Violation - Home Safety 91/100. https://zipcheckup.com/cities/ca/coronado/
BibTeX
@misc{zipcheckup-cities-ca-coronado,
  author = {{ZipCheckup}},
  title  = {{Coronado, CA: 1 Health Violation - Home Safety 91/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/ca/coronado/}
}

Page version: August 2026.

Get safety alerts for Coronado, California

Free updates when EPA data changes for this area. No spam.

Unsubscribe anytime. Privacy Policy.

Share This Page

X Facebook
Violations found - check filter options Free tool - no phone call required.