ZipCheckup grade for 92231: A.

Checked records flag no major concern; missing data is unknown.

Health Violations Found
A 88

Calexico, CA (92231): 1 Health-Based Violation Recorded for Mapped Water Systems - 88/100

EPA data for City of Calexico

Health Violations Found

Health-based violation records by water system:

EPA records for the water systems mapped to 92231 in Calexico, CA contain 2 recorded violations for inclusive record years 2021 through 2026, all mapped systems combined; 1 are marked health-based.

Data source: U.S. Environmental Protection Agency (EPA) SDWIS

Based on EPA Drinking Water FEMA Flood Data U.S. Census CDC Energy Information Admin. USGS Water Data & 9 more federal sources
Latest air quality, EPA records and weather alerts Current data temporarily unavailable
Current EPA violation data unavailable
Water records and current conditions
Current EPA violation data unavailable
Safety Score
A 88/100
Water Quality Issues 1 health-based violation
Lead Risk Below action level Below the reporting limit, 90th percentile, sample period ending 2023-12-31
NFIP Claim History N/A
Data confidence: High (direct measurement) Medium (sampled / sub-geography) Low (modeled / inferred) Methodology →

At a Glance

  • Water EPA records for water systems mapped to this ZIP show 1 health-based violation and 1 non-health-based (since 2021).
  • Lead The reported 90th-percentile lead result is below the laboratory reporting limit, not a measured zero; EPA's health goal for lead is zero.
  • Radon EPA Zone 3 - county-level radon potential, not evidence of a low home result.
Contaminant Summary
Health Violations
2 violations 1 health-based
Report data assembled: Jul 27, 2026 EPA water-system identity: source date or period is not present in ZipCheckup's accepted source record EPA violation history: more than two update cycles old Lead, copper and UCMR measurements: source date or period is not present in ZipCheckup's accepted source record Consumer Confidence Report: source date or period is not present in ZipCheckup's accepted source record
A
ZIP-level Home Safety model score: 88 / 100
Home Safety Score higher than 80% of ZIP codes nationwide
1
Water System
40,357
People Served
1
Health Violations (since 2021)Median is 0
Surface water
Water Source
Zone 3
County Radon Potential · Low
$282K
Median Home Value55% below state median ($629K)

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Score Breakdown

Overall Home Safety Score: 88/100

This is the published model score. Component and domain values are shown independently; they are not added together on this page.

Canonical components

EPA water compliance
76/100
Observed
PFAS MCL screen
100/100
Observed
EPA radon zone
100/100
Observed
Annual EPA AirData AQI
75/100
Observed

Required domains

Drinking water
88/100
Indoor environment
100/100
Outdoor environment
75/100

Coverage: 4 of 4 components and 3 of 3 domains observed.

Model 4.0.0; series home-safety-v4-cross-vertical.

Safety & Health (7) CRITICAL

Your Water System

ZIP code 92231 in Calexico, California is mapped to the water system City of Calexico (EPA ID: CA1310002). This system provides water to approximately 40,357 people from surface water sources.

Other Water Quality Reports in California

Nearby Water Quality Reports

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for City of Calexico (CA1310002) on EPA.gov.

4 of the top compounds applied across the surrounding county in USGS pesticide-use estimates appear on EPA drinking-water monitoring lists. See the agricultural pesticide-use section.

📊 EPA Safe Drinking Water · View source →

UCMR 5 PFAS monitoring: no reportable detections in available records

Available federal UCMR5 records for water systems mapped to ZIP code 92231 show no PFAS detections among the compounds tested, at the program's reporting levels.

The EPA Fifth Unregulated Contaminant Monitoring Rule (UCMR5) required community and non-transient non-community water systems serving 3,300 or more people to test for 29 PFAS compounds and lithium between 2023 and 2025. Systems with no detections at the federal minimum reporting level had no results at or above that reporting level.

📊 EPA UCMR5 · View source →
Environmental Hazards (10) HIGH
Home & Infrastructure (6) MODERATE

Possible home maintenance concerns - talk to a local expert.

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Cost & Community (9) HIGH

CPSC product recall notices

These national notices are not matched to this ZIP code or water system.

View all recalls →

📊 CPSC · View source →

Protect Your Home in Calexico

Based on local data for ZIP 92231, these services may benefit homeowners in your area.

Based on local data for your area. Use the tools below to explore your options.

Gutter Installation & Repair

The median home in 92231 was built around 1981. Aging gutters can cause foundation damage, basement flooding, and mold - a professional assessment can prevent costly repairs.

Typical cost: Gutter installation: typically $1,000–$2,500 for a standard home

Estimate Your Home Maintenance Costs

Window Replacement

The median build year of homes in Calexico is 1981; check the age and condition of your own windows. ENERGY STAR windows can save $101–$583/year on energy bills.

Typical cost: Window replacement: typically $300–$800 per window installed

Estimate Your Home Maintenance Costs

Roofing Inspection & Repair

Active weather alerts in California increase the risk of roof damage from hail and high winds. A professional inspection can identify vulnerabilities.

Typical cost: Roof inspection: typically $75–$300; repairs $300–$1,500

Estimate Your Home Insurance Needs

Service recommendations are based on public data for this ZIP code (FEMA, Census ACS, NWS). Actual needs vary by property. By calling, your information will be shared with an independent service provider. ZipCheckup may receive compensation. Cost estimates are approximate and vary by property, condition, and contractor.

Frequently Asked Questions

Is the tap water in 92231 safe to drink?

EPA SDWIS records 2 violations since 2021 across the water systems mapped to ZIP 92231 (primary system: City of Calexico), including 1 health-based. The violation table above shows which system each record belongs to. ZipCheckup last updated this page in July 2026. The federal source release date is unavailable, so that month is not presented as source currency.

Where does 92231's water come from?

The recorded water source for City of Calexico, a system mapped to ZIP code 92231, is Surface water. This system serves approximately 40,357 people.

How does Calexico water compare to the national average?

Calexico's Home Safety Score ranks better than 80% of U.S. ZIP codes, and at or above 76% within California.

How can I get my water tested in Calexico?

If City of Calexico supplies your home, contact it for its Consumer Confidence Report; otherwise contact the water utility that serves your address, or hire a certified lab for independent home water testing. The EPA recommends annual testing if you use a private well.

What is the radon risk for 92231?

92231 is mapped to a county in EPA Radon Zone 3 (low county-level radon potential; EPA recommends testing every home), located in Imperial County. EPA radon zones range from Zone 1 (highest county-level potential) to Zone 3 (lowest). Testing your home is recommended regardless of zone.

How to cite this page

APA ZipCheckup. (2026). Calexico, CA (92231): 1 Health-Based Violation Recorded for Mapped Water Systems - 88/100. https://zipcheckup.com/report/92231/
BibTeX
@misc{zipcheckup-report-92231,
  author = {{ZipCheckup}},
  title  = {{Calexico, CA (92231): 1 Health-Based Violation Recorded for Mapped Water Systems - 88/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/report/92231/}
}

Page version: October 2026.

Nearby ZIP Code Reports

Water quality comparison for ZIP codes near 92231

ZIP Code City, State Distance Grade Violations
92232 Calexico, CA <1 mi N/A 0
92249 Heber, CA 4.6 mi A 3
92243 El Centro, CA 8.2 mi B 6
92250 Holtville, CA 11.4 mi A 2
92251 Imperial, CA 12.0 mi B 7
92244 El Centro, CA 13.5 mi N/A 0
92273 Seeley, CA 13.5 mi N/A 4
92227 Brawley, CA 20.5 mi A 4
92281 Westmorland, CA 25.0 mi N/A 0
92259 Ocotillo, CA 28.8 mi N/A 0

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2026 Rankings

ZIP 92231 scores in the top tier nationally.

Coverage: 14/17 risk factors Data sources →
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