Summerville, SC Neighborhood Water Quality — Grade B
4 ZIP codes · 20 EPA violations
Data source: EPA SDWIS Last verified: 2026-06-04
Water quality varies significantly across Summerville, SC. We analyzed 4 ZIP codes to help you compare neighborhoods by water safety, lead risk, and EPA compliance.
City Overview: Grade B (84/100)
| Grade | Neighborhoods | % |
|---|---|---|
| A | 2 | 50% |
| B | 2 | 50% |
| C | 0 | 0% |
| D | 0 | 0% |
| F | 0 | 0% |
Neighborhood Rankings
Every ZIP code in Summerville ranked by Home Safety Score:
| Rank | ZIP Code | Score | Grade | Violations | Lead Risk |
|---|---|---|---|---|---|
| 1 | 29484 | 94 | A | 5 | 0.0009 mg/L |
| 2 | 29486 | 86 | A | 5 | 0.0009 mg/L |
| 3 | 29483 | 81 | B | 5 | 0.0009 mg/L |
| 4 | 29485 | 76 | B | 5 | 0.0009 mg/L |
How Neighborhoods Compare
Each ZIP code compared to county and state averages:
- 3 neighborhoods score better than county average
- 1 neighborhoods score worse than county average
EPA Violations
- 20 total violations across Summerville
- 16 health-based violations
- 4 of 4 ZIP codes have violations
- 0 ZIP codes exceed EPA lead action level
Top Contaminants
| Contaminant | Violations | ZIPs |
|---|---|---|
| Haloacetic Acids (HAA5) | 16 | 4 |
| Total Trihalomethanes (TTHM) | 4 | 4 |
Frequently Asked Questions
What is the safest neighborhood in Summerville?
ZIP code 29484 has the highest safety score in Summerville at 94/100 (grade A). Check the full report for details.
Is Summerville water safe to drink?
Summerville has an average water safety score of 84/100 (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.