Neighborhood Report
Grade B
Port Arthur, TX Neighborhood Water Quality — Grade B
4 ZIP codes · 12 EPA violations
Data source: EPA SDWIS Last verified: 2026-06-04
Water quality varies significantly across Port Arthur, TX. We analyzed 4 ZIP codes to help you compare neighborhoods by water safety, lead risk, and EPA compliance.
City Overview: Grade B (82/100)
| Grade | Neighborhoods | % |
|---|---|---|
| A | 2 | 50% |
| B | 2 | 50% |
| C | 0 | 0% |
| D | 0 | 0% |
| F | 0 | 0% |
Neighborhood Rankings
Every ZIP code in Port Arthur ranked by Home Safety Score:
| Rank | ZIP Code | Score | Grade | Violations | Lead Risk |
|---|---|---|---|---|---|
| 1 | 77643 | 93 | A | 3 | 0.0024 mg/L |
| 2 | 77641 | 88 | A | 3 | 0.0024 mg/L |
| 3 | 77640 | 73 | B | 3 | 0.0024 mg/L |
| 4 | 77642 | 73 | B | 3 | 0.0024 mg/L |
How Neighborhoods Compare
Each ZIP code compared to county and state averages:
- 2 neighborhoods score better than county average
- 2 neighborhoods score worse than county average
EPA Violations
- 12 total violations across Port Arthur
- 8 health-based violations
- 4 of 4 ZIP codes have violations
- 0 ZIP codes exceed EPA lead action level
Top Contaminants
| Contaminant | Violations | ZIPs |
|---|---|---|
| Fecal Coliform | 8 | 4 |
| Lead and Copper Rule | 4 | 4 |
Frequently Asked Questions
What is the safest neighborhood in Port Arthur?
ZIP code 77643 has the highest safety score in Port Arthur at 93/100 (grade A). Check the full report for details.
Is Port Arthur water safe to drink?
Port Arthur has an average water safety score of 82/100 (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.