Neighborhood Report
Grade A
Round Rock, TX Neighborhood Water Quality — Grade A
6 ZIP codes · 6 EPA violations
Data source: EPA SDWIS Last verified: 2026-06-04
Water quality varies significantly across Round Rock, TX. We analyzed 6 ZIP codes to help you compare neighborhoods by water safety, lead risk, and EPA compliance.
City Overview: Grade A (92/100)
| Grade | Neighborhoods | % |
|---|---|---|
| A | 6 | 100% |
| B | 0 | 0% |
| C | 0 | 0% |
| D | 0 | 0% |
| F | 0 | 0% |
Neighborhood Rankings
Every ZIP code in Round Rock ranked by Home Safety Score:
| Rank | ZIP Code | Score | Grade | Violations | Lead Risk |
|---|---|---|---|---|---|
| 1 | 78682 | 99 | A | 1 | 0.0050 mg/L |
| 2 | 78680 | 95 | A | 1 | 0.0050 mg/L |
| 3 | 78683 | 95 | A | 1 | 0.0050 mg/L |
| 4 | 78665 | 90 | A | 1 | 0.0050 mg/L |
| 5 | 78664 | 85 | A | 1 | 0.0050 mg/L |
| 6 | 78681 | 85 | A | 1 | 0.0050 mg/L |
How Neighborhoods Compare
Each ZIP code compared to county and state averages:
- 4 neighborhoods score better than county average
- 2 neighborhoods score worse than county average
EPA Violations
- 6 total violations across Round Rock
- 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 | 6 | 6 |
Frequently Asked Questions
What is the safest neighborhood in Round Rock?
ZIP code 78682 has the highest safety score in Round Rock at 99/100 (grade A). Check the full report for details.
Is Round Rock water safe to drink?
Round Rock has an average water safety score of 92/100 (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.