Neighborhood Report
Grade D
Stony Brook, NY Neighborhood Water Quality — Clean Compliance
2 ZIP codes · 0 EPA violations
Data source: EPA SDWIS Last verified: 2026-06-04
Water quality varies significantly across Stony Brook, NY. We analyzed 2 ZIP codes to help you compare neighborhoods by water safety, lead risk, and EPA compliance.
City Overview: Grade D (43/100)
| Grade | Neighborhoods | % |
|---|---|---|
| A | 0 | 0% |
| B | 0 | 0% |
| C | 0 | 0% |
| D | 2 | 100% |
| F | 0 | 0% |
Neighborhood Rankings
Every ZIP code in Stony Brook ranked by Home Safety Score:
| Rank | ZIP Code | Score | Grade | Violations | Lead Risk |
|---|---|---|---|---|---|
| 1 | 11790 | 45 | D | 0 | No data |
| 2 | 11794 | 40 | D | 0 | No data |
How Neighborhoods Compare
Each ZIP code compared to county and state averages:
- 0 neighborhoods score better than county average
- 2 neighborhoods score worse than county average
Frequently Asked Questions
What is the safest neighborhood in Stony Brook?
ZIP code 11790 has the highest safety score in Stony Brook at 45/100 (grade D). Check the full report for details.
Is Stony Brook water safe to drink?
Stony Brook has an average water safety score of 43/100 (D). 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.