Neighborhood Report
Grade C
Oxnard, CA Neighborhood Water Quality — Grade C
7 ZIP codes · 21 EPA violations
Data source: EPA SDWIS Last verified: 2026-06-03
Water quality varies significantly across Oxnard, CA. We analyzed 7 ZIP codes to help you compare neighborhoods by water safety, lead risk, and EPA compliance.
City Overview: Grade C (62/100)
| Grade | Neighborhoods | % |
|---|---|---|
| A | 0 | 0% |
| B | 0 | 0% |
| C | 7 | 100% |
| D | 0 | 0% |
| F | 0 | 0% |
Neighborhood Rankings
Every ZIP code in Oxnard ranked by Home Safety Score:
| Rank | ZIP Code | Score | Grade | Violations | Lead Risk |
|---|---|---|---|---|---|
| 1 | 93031 | 66 | C | 3 | 0.0022 mg/L |
| 2 | 93033 | 66 | C | 3 | 0.0022 mg/L |
| 3 | 93030 | 61 | C | 3 | 0.0022 mg/L |
| 4 | 93032 | 61 | C | 3 | 0.0022 mg/L |
| 5 | 93034 | 61 | C | 3 | 0.0022 mg/L |
| 6 | 93036 | 61 | C | 3 | 0.0022 mg/L |
| 7 | 93035 | 56 | C | 3 | 0.0022 mg/L |
How Neighborhoods Compare
Each ZIP code compared to county and state averages:
- 6 neighborhoods score better than county average
- 1 neighborhoods score worse than county average
EPA Violations
- 21 total violations across Oxnard
- 7 health-based violations
- 7 of 7 ZIP codes have violations
- 0 ZIP codes exceed EPA lead action level
Top Contaminants
| Contaminant | Violations | ZIPs |
|---|---|---|
| Stage 2 DBP Rule | 14 | 7 |
| Surface Water Treatment Rule | 7 | 7 |
Frequently Asked Questions
What is the safest neighborhood in Oxnard?
ZIP code 93031 has the highest safety score in Oxnard at 66/100 (grade C). Check the full report for details.
Is Oxnard water safe to drink?
Oxnard has an average water safety score of 62/100 (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.