Neighborhood Report
Grade C
Santa Maria, CA Neighborhood Water Quality — Grade C
5 ZIP codes · 25 EPA violations
Data source: EPA SDWIS Last verified: 2026-06-04
Water quality varies significantly across Santa Maria, CA. We analyzed 5 ZIP codes to help you compare neighborhoods by water safety, lead risk, and EPA compliance.
City Overview: Grade C (63/100)
| Grade | Neighborhoods | % |
|---|---|---|
| A | 0 | 0% |
| B | 0 | 0% |
| C | 5 | 100% |
| D | 0 | 0% |
| F | 0 | 0% |
Neighborhood Rankings
Every ZIP code in Santa Maria ranked by Home Safety Score:
| Rank | ZIP Code | Score | Grade | Violations | Lead Risk |
|---|---|---|---|---|---|
| 1 | 93455 | 66 | C | 5 | 0.0025 mg/L |
| 2 | 93458 | 66 | C | 5 | 0.0025 mg/L |
| 3 | 93456 | 62 | C | 5 | 0.0025 mg/L |
| 4 | 93457 | 62 | C | 5 | 0.0025 mg/L |
| 5 | 93454 | 61 | C | 5 | 0.0025 mg/L |
How Neighborhoods Compare
Each ZIP code compared to county and state averages:
- 2 neighborhoods score better than county average
- 3 neighborhoods score worse than county average
EPA Violations
- 25 total violations across Santa Maria
- 0 health-based violations
- 5 of 5 ZIP codes have violations
- 0 ZIP codes exceed EPA lead action level
Top Contaminants
| Contaminant | Violations | ZIPs |
|---|---|---|
| Contaminant 1039 | 5 | 5 |
| Lead | 5 | 5 |
| Copper | 5 | 5 |
| Contaminant 2727 | 5 | 5 |
| Contaminant 3013 | 5 | 5 |
Frequently Asked Questions
What is the safest neighborhood in Santa Maria?
ZIP code 93455 has the highest safety score in Santa Maria at 66/100 (grade C). Check the full report for details.
Is Santa Maria water safe to drink?
Santa Maria has an average water safety score of 63/100 (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.