Ventura, CA Neighborhood Water Quality — Grade C
8 ZIP codes · 88 EPA violations
Data source: EPA SDWIS Last verified: 2026-06-03
Water quality varies significantly across Ventura, CA. We analyzed 8 ZIP codes to help you compare neighborhoods by water safety, lead risk, and EPA compliance.
City Overview: Grade C (57/100)
| Grade | Neighborhoods | % |
|---|---|---|
| A | 0 | 0% |
| B | 0 | 0% |
| C | 7 | 88% |
| D | 1 | 13% |
| F | 0 | 0% |
Neighborhood Rankings
Every ZIP code in Ventura ranked by Home Safety Score:
| Rank | ZIP Code | Score | Grade | Violations | Lead Risk |
|---|---|---|---|---|---|
| 1 | 93004 | 63 | C | 11 | 0.0022 mg/L |
| 2 | 93003 | 58 | C | 11 | 0.0022 mg/L |
| 3 | 93002 | 57 | C | 11 | 0.0022 mg/L |
| 4 | 93005 | 57 | C | 11 | 0.0022 mg/L |
| 5 | 93006 | 57 | C | 11 | 0.0022 mg/L |
| 6 | 93007 | 57 | C | 11 | 0.0022 mg/L |
| 7 | 93009 | 57 | C | 11 | 0.0022 mg/L |
| 8 | 93001 | 48 | D | 11 | 0.0022 mg/L |
How Neighborhoods Compare
Each ZIP code compared to county and state averages:
- 1 neighborhoods score better than county average
- 7 neighborhoods score worse than county average
EPA Violations
- 88 total violations across Ventura
- 32 health-based violations
- 8 of 8 ZIP codes have violations
- 0 ZIP codes exceed EPA lead action level
Top Contaminants
| Contaminant | Violations | ZIPs |
|---|---|---|
| Consumer Confidence Report Rule | 56 | 8 |
| Stage 2 DBP Rule | 16 | 8 |
| Surface Water Treatment Rule | 16 | 8 |
Frequently Asked Questions
What is the safest neighborhood in Ventura?
ZIP code 93004 has the highest safety score in Ventura at 63/100 (grade C). Check the full report for details.
Is Ventura water safe to drink?
Ventura has an average water safety score of 57/100 (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.