Neighborhood Report
Grade B
Fontana, CA Neighborhood Water Quality — Clean Compliance
5 ZIP codes · 0 EPA violations
Data source: EPA SDWIS Last verified: 2026-06-03
Water quality varies significantly across Fontana, CA. We analyzed 5 ZIP codes to help you compare neighborhoods by water safety, lead risk, and EPA compliance.
City Overview: Grade B (72/100)
| Grade | Neighborhoods | % |
|---|---|---|
| A | 0 | 0% |
| B | 5 | 100% |
| C | 0 | 0% |
| D | 0 | 0% |
| F | 0 | 0% |
Neighborhood Rankings
Every ZIP code in Fontana ranked by Home Safety Score:
| Rank | ZIP Code | Score | Grade | Violations | Lead Risk |
|---|---|---|---|---|---|
| 1 | 92337 | 75 | B | 0 | No data |
| 2 | 92331 | 72 | B | 0 | No data |
| 3 | 92334 | 72 | B | 0 | No data |
| 4 | 92336 | 72 | B | 0 | No data |
| 5 | 92335 | 70 | B | 0 | No data |
How Neighborhoods Compare
Each ZIP code compared to county and state averages:
- 4 neighborhoods score better than county average
- 1 neighborhoods score worse than county average
Frequently Asked Questions
What is the safest neighborhood in Fontana?
ZIP code 92337 has the highest safety score in Fontana at 75/100 (grade B). Check the full report for details.
Is Fontana water safe to drink?
Fontana has an average water safety score of 72/100 (B). Water quality varies by neighborhood — no ZIP codes currently exceed EPA lead limits. Always check your specific ZIP code.
Related Pages
Data Sources
- EPA SDWIS
- U.S. Census Bureau
Updated daily.