Calexico, CA: 4 Health Violations — 89/100 (2026)
2 ZIP codes · 2 water systems · Updated 2026-06-03
In current CA EPA data, Calexico's tap water sits in the high-safety tier.
How Calexico Compares
Data: EPA SDWIS Last verified: 2026-06-03
What You Should Know About Calexico Water
- Your city's water systems recorded 14 violations in the past 5 years.
- Average lead level: 0.0007 mg/L.
- Estimated remediation: $300 per household.
- CDC health risk index: 12.34 — above typical levels.
Who Supplies Your Water in Calexico
Residential addresses in Calexico, CA are served by 2 primary water providers out of 2 systems in federal records. Each system maintains separate infrastructure and files its own EPA compliance reports, so service conditions are not uniform across the city.
Overview
We track water quality and home safety data for 2 ZIP codes in Calexico, California, covering 2 community water systems serving approximately 38,547 people.
2 of 2 ZIP codes (100%) have recorded EPA violations. 4 health-based violations documented.
Home Safety Score
Average Home Safety Score for Calexico: A (89/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
Calexico water systems draw from: Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0007 mg/L (EPA action level: 0.015 mg/L)
- 0 ZIP codes 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 |
|---|---|---|---|
| Stage 2 DBP Rule | Treatment Technique | 12 | 2 |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 3 | 2 |
| Surface Water Treatment Rule | Treatment Technique | 3 | 2 |
| E. coli | Microbiological | 3 | 2 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 92231 | A | 7 | 2 | City of Calexico, |
| 92232 | A | 7 | 2 | City of Calexico, |
All ZIP Codes in Calexico
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Updated daily.
Health Outcomes in Calexico
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
Top Contaminants in Calexico Water
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Cost Context: What Remediation Means for Calexico Homeowners
Property equity in Calexico runs well ahead of estimated remediation costs — a cost-to-value ratio that sits in the low tier, meaning documented water and safety issues here are the kind homeowners can plan to address without treating the expense as a significant budget event relative to what their homes are worth.
Remediation costs in Calexico are relatively low compared to home values. The $150–$600 estimated range is a small fraction of median property value. Home values are 62% below the California average.
Lead Exposure Risk for Children in Calexico
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 Calexico 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.
Deep Dive Reports
Detailed analysis for Calexico, CA