Neighborhood Report
Grade C
Visalia, CA Neighborhood Water Quality — Grade C
6 ZIP codes · 36 EPA violations
Data source: EPA SDWIS Last verified: 2026-06-03
Water quality varies significantly across Visalia, CA. We analyzed 6 ZIP codes to help you compare neighborhoods by water safety, lead risk, and EPA compliance.
City Overview: Grade C (67/100)
| Grade | Neighborhoods | % |
|---|---|---|
| A | 0 | 0% |
| B | 0 | 0% |
| C | 6 | 100% |
| D | 0 | 0% |
| F | 0 | 0% |
Neighborhood Rankings
Every ZIP code in Visalia ranked by Home Safety Score:
| Rank | ZIP Code | Score | Grade | Violations | Lead Risk |
|---|---|---|---|---|---|
| 1 | 93278 | 67 | C | 6 | No data |
| 2 | 93279 | 67 | C | 6 | No data |
| 3 | 93290 | 67 | C | 6 | No data |
| 4 | 93277 | 66 | C | 6 | No data |
| 5 | 93291 | 66 | C | 6 | No data |
| 6 | 93292 | 66 | C | 6 | No data |
How Neighborhoods Compare
Each ZIP code compared to county and state averages:
- 6 neighborhoods score better than county average
- 0 neighborhoods score worse than county average
EPA Violations
- 36 total violations across Visalia
- 6 health-based violations
- 6 of 6 ZIP codes have violations
- 0 ZIP codes exceed EPA lead action level
Top Contaminants
| Contaminant | Violations | ZIPs |
|---|---|---|
| Consumer Confidence Report Rule | 24 | 6 |
| Stage 2 DBP Rule | 12 | 6 |
Frequently Asked Questions
What is the safest neighborhood in Visalia?
ZIP code 93278 has the highest safety score in Visalia at 67/100 (grade C). Check the full report for details.
Is Visalia water safe to drink?
Visalia has an average water safety score of 67/100 (C). 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.