Largo, FL Neighborhood Water Quality — Grade B
6 ZIP codes · 54 EPA violations
Data source: EPA SDWIS Last verified: 2026-06-04
Water quality varies significantly across Largo, FL. We analyzed 6 ZIP codes to help you compare neighborhoods by water safety, lead risk, and EPA compliance.
City Overview: Grade B (72/100)
| Grade | Neighborhoods | % |
|---|---|---|
| A | 0 | 0% |
| B | 4 | 67% |
| C | 2 | 33% |
| D | 0 | 0% |
| F | 0 | 0% |
Neighborhood Rankings
Every ZIP code in Largo ranked by Home Safety Score:
| Rank | ZIP Code | Score | Grade | Violations | Lead Risk |
|---|---|---|---|---|---|
| 1 | 33779 | 83 | B | 9 | 0.0008 mg/L |
| 2 | 33778 | 76 | B | 9 | 0.0008 mg/L |
| 3 | 33771 | 71 | B | 9 | 0.0008 mg/L |
| 4 | 33773 | 71 | B | 9 | 0.0008 mg/L |
| 5 | 33770 | 66 | C | 9 | 0.0008 mg/L |
| 6 | 33774 | 66 | C | 9 | 0.0008 mg/L |
How Neighborhoods Compare
Each ZIP code compared to county and state averages:
- 1 neighborhoods score better than county average
- 5 neighborhoods score worse than county average
EPA Violations
- 54 total violations across Largo
- 0 health-based violations
- 6 of 6 ZIP codes have violations
- 0 ZIP codes exceed EPA lead action level
Top Contaminants
| Contaminant | Violations | ZIPs |
|---|---|---|
| Consumer Confidence Report Rule | 24 | 6 |
| Haloacetic Acids (HAA5) | 18 | 6 |
| Lead | 6 | 6 |
| Stage 1 DBP Rule | 6 | 6 |
Frequently Asked Questions
What is the safest neighborhood in Largo?
ZIP code 33779 has the highest safety score in Largo at 83/100 (grade B). Check the full report for details.
Is Largo water safe to drink?
Largo has an average water safety score of 72/100 (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.