Chapel Hill, NC Neighborhood Water Quality — Grade B
5 ZIP codes · 255 EPA violations
Data source: EPA SDWIS Last verified: 2026-06-04
Water quality varies significantly across Chapel Hill, NC. We analyzed 5 ZIP codes to help you compare neighborhoods by water safety, lead risk, and EPA compliance.
City Overview: Grade B (70/100)
| Grade | Neighborhoods | % |
|---|---|---|
| A | 0 | 0% |
| B | 3 | 60% |
| C | 2 | 40% |
| D | 0 | 0% |
| F | 0 | 0% |
Neighborhood Rankings
Every ZIP code in Chapel Hill ranked by Home Safety Score:
| Rank | ZIP Code | Score | Grade | Violations | Lead Risk |
|---|---|---|---|---|---|
| 1 | 27515 | 76 | B | 51 | 0.0030 mg/L |
| 2 | 27599 | 75 | B | 51 | 0.0030 mg/L |
| 3 | 27516 | 71 | B | 51 | 0.0030 mg/L |
| 4 | 27517 | 66 | C | 51 | 0.0030 mg/L |
| 5 | 27514 | 61 | C | 51 | 0.0030 mg/L |
How Neighborhoods Compare
Each ZIP code compared to county and state averages:
- 1 neighborhoods score better than county average
- 4 neighborhoods score worse than county average
EPA Violations
- 255 total violations across Chapel Hill
- 50 health-based violations
- 5 of 5 ZIP codes have violations
- 0 ZIP codes exceed EPA lead action level
Top Contaminants
| Contaminant | Violations | ZIPs |
|---|---|---|
| Stage 2 DBP Rule | 40 | 5 |
| Surface Water Treatment Rule | 40 | 5 |
| Lead and Copper Rule | 35 | 5 |
| Gross Alpha | 30 | 5 |
| Consumer Confidence Report Rule | 30 | 5 |
Frequently Asked Questions
What is the safest neighborhood in Chapel Hill?
ZIP code 27515 has the highest safety score in Chapel Hill at 76/100 (grade B). Check the full report for details.
Is Chapel Hill water safe to drink?
Chapel Hill has an average water safety score of 70/100 (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.