San Marcos, CA Home Safety by Neighborhood - Water Issues Recorded
4 ZIP codes · 3 EPA violations
Data source: ZipCheckup Home Safety Score registry; EPA SDWIS; EPA radon; EPA AirNow
ZipCheckup compares 4 ZIP codes across San Marcos, CA. The area averages a grade A (90/100); 3 ZIP codes carry recorded EPA violations.
Home-safety conditions vary across San Marcos, CA. We compared 4 ZIP codes using the current versioned Home Safety Score. Water compliance remains one component alongside PFAS screening, radon, and annual air quality.
City Overview: Grade A (90/100)
| Grade | Neighborhoods | % |
|---|---|---|
| A | 2 | 100% |
| B | 0 | 0% |
| C | 0 | 0% |
| D | 0 | 0% |
| F | 0 | 0% |
Neighborhood Rankings
Every ZIP code in San Marcos ranked by Home Safety Score:
| Rank | ZIP Code | Score | Grade | Violations | Lead Risk |
|---|---|---|---|---|---|
| 1 | 92069 | 90 | A | 1 | 0.0027 mg/L |
| 2 | 92078 | 90 | A | 1 | No data |
| 3 | 92079 | — | — | — | No data |
| 4 | 92096 | — | — | 1 | No data |
How Neighborhoods Compare
Each ZIP code compared to county and state averages:
- 2 neighborhoods score better than county average
- 0 neighborhoods score worse than county average
EPA Violations
- 3 total violations across San Marcos
- 0 health-based violations
- 3 of 3 directly mapped ZIP records have violations
- 0 of 3 ZIP records with known lead status exceed the EPA action level
Top Contaminants
| Contaminant | Violations | ZIPs |
|---|---|---|
| Stage 2 DBP Rule | 3 | 3 |
Frequently Asked Questions
What is the safest neighborhood in San Marcos?
ZIP code 92069 has the highest safety score in San Marcos at 90/100 (grade A). Check the full report for details.
Is San Marcos water safe to drink?
The Home Safety Score is not a drinking-water grade. Across 3 directly mapped ZIP records, 3 EPA violations are recorded; 0 of 3 records with known lead status exceed the action level. Check the specific ZIP and serving system before drawing a property-level conclusion.
Related Pages
Data Sources
- EPA SDWIS
- U.S. Census Bureau
Reporting periods vary by source; the page metadata identifies this materialization.