Cary, NC Neighborhood Water Quality — Grade C
5 ZIP codes · 645 EPA violations
Data source: EPA SDWIS Last verified: 2026-06-04
Water quality varies significantly across Cary, NC. We analyzed 5 ZIP codes to help you compare neighborhoods by water safety, lead risk, and EPA compliance.
City Overview: Grade C (63/100)
| Grade | Neighborhoods | % |
|---|---|---|
| A | 0 | 0% |
| B | 0 | 0% |
| C | 5 | 100% |
| D | 0 | 0% |
| F | 0 | 0% |
Neighborhood Rankings
Every ZIP code in Cary ranked by Home Safety Score:
| Rank | ZIP Code | Score | Grade | Violations | Lead Risk |
|---|---|---|---|---|---|
| 1 | 27519 | 69 | C | 129 | 0.0030 mg/L |
| 2 | 27512 | 66 | C | 129 | 0.0030 mg/L |
| 3 | 27513 | 64 | C | 129 | 0.0030 mg/L |
| 4 | 27511 | 59 | C | 129 | 0.0030 mg/L |
| 5 | 27518 | 59 | C | 129 | 0.0030 mg/L |
How Neighborhoods Compare
Each ZIP code compared to county and state averages:
- 3 neighborhoods score better than county average
- 2 neighborhoods score worse than county average
EPA Violations
- 645 total violations across Cary
- 25 health-based violations
- 5 of 5 ZIP codes have violations
- 0 ZIP codes exceed EPA lead action level
Top Contaminants
| Contaminant | Violations | ZIPs |
|---|---|---|
| Surface Water Treatment Rule | 395 | 5 |
| Stage 1 DBP Rule | 70 | 5 |
| Total Trihalomethanes (TTHM) | 40 | 5 |
| Consumer Confidence Report Rule | 40 | 5 |
| Lead | 20 | 5 |
Frequently Asked Questions
What is the safest neighborhood in Cary?
ZIP code 27519 has the highest safety score in Cary at 69/100 (grade C). Check the full report for details.
Is Cary water safe to drink?
Cary has an average water safety score of 63/100 (C). 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.