Neighborhood Report
Grade A
Mccomb, MS Neighborhood Water Quality — Grade A
2 ZIP codes · 28 EPA violations
Data source: EPA SDWIS Last verified: 2026-06-03
Water quality varies significantly across Mccomb, MS. We analyzed 2 ZIP codes to help you compare neighborhoods by water safety, lead risk, and EPA compliance.
City Overview: Grade A (85/100)
| Grade | Neighborhoods | % |
|---|---|---|
| A | 1 | 50% |
| B | 1 | 50% |
| C | 0 | 0% |
| D | 0 | 0% |
| F | 0 | 0% |
Neighborhood Rankings
Every ZIP code in Mccomb ranked by Home Safety Score:
| Rank | ZIP Code | Score | Grade | Violations | Lead Risk |
|---|---|---|---|---|---|
| 1 | 39649 | 87 | A | 14 | 0.0056 mg/L |
| 2 | 39648 | 82 | B | 14 | 0.0056 mg/L |
How Neighborhoods Compare
Each ZIP code compared to county and state averages:
- 2 neighborhoods score better than county average
- 0 neighborhoods score worse than county average
EPA Violations
- 28 total violations across Mccomb
- 4 health-based violations
- 2 of 2 ZIP codes have violations
- 0 ZIP codes exceed EPA lead action level
Top Contaminants
| Contaminant | Violations | ZIPs |
|---|---|---|
| Total Trihalomethanes (TTHM) | 8 | 2 |
| Stage 2 DBP Rule | 4 | 2 |
| Contaminant 0700 | 4 | 2 |
| Stage 1 DBP Rule | 2 | 2 |
| Lead and Copper Rule | 2 | 2 |
Frequently Asked Questions
What is the safest neighborhood in Mccomb?
ZIP code 39649 has the highest safety score in Mccomb at 87/100 (grade A). Check the full report for details.
Is Mccomb water safe to drink?
Mccomb has an average water safety score of 85/100 (A). 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.