Princeton, NJ Home Safety by Neighborhood - Water Issues Recorded
5 ZIP codes · 131 EPA violations on record for mapped water systems
Data source: ZipCheckup Home Safety Score registry; EPA SDWIS; EPA radon; EPA AirNow
ZipCheckup compares 5 ZIP codes across Princeton, NJ. The area averages a grade D (44/100); water systems associated with 1 ZIP code have recorded EPA violations.
Home-safety conditions vary across Princeton, NJ. We compared 5 ZIP codes using the current versioned Home Safety Score. Water compliance remains one component alongside PFAS screening, radon, and annual air quality.
City Overview: Grade D (44/100)
| Grade | Neighborhoods | % |
|---|---|---|
| A | 0 | 0% |
| B | 0 | 0% |
| C | 0 | 0% |
| D | 2 | 67% |
| F | 1 | 33% |
Neighborhood Rankings
Mapped ZIP codes in Princeton ranked by Home Safety Score:
| Rank | ZIP Code | Score | Grade | Violations | Lead Risk |
|---|---|---|---|---|---|
| 1 | 08542 | 50 | D | 0 | 0.0020 mg/L |
| 2 | 08544 | 50 | D | 0 | 0.0020 mg/L |
| 3 | 08540 | 33 | F | 131 | 0.0060 mg/L |
| 4 | 08541 | — | — | — | No data |
| 5 | 08543 | — | — | — | No data |
How Neighborhoods Compare
Each ZIP code compared to county and state averages:
- 2 neighborhoods score better than county average
- 1 neighborhoods score worse than county average
EPA Violations
- 131 total violations since 2021 across the water systems mapped to Princeton ZIP codes (each system counted once; includes small systems beyond the city utility)
- 7 health-based violation records in the available EPA data
- 1 of 3 directly mapped ZIP records are mapped to water systems with recorded violations
- 0 of 3 ZIP records with known lead status are served by a system whose 90th-percentile lead result exceeded the EPA action level
Top Contaminants
| Contaminant | Violations | ZIPs |
|---|---|---|
| Lead and Copper Rule | 34 | 1 |
| Surface Water Treatment Rule | 14 | 1 |
| Chlorine | 14 | 1 |
| Revised Total Coliform Rule | 13 | 1 |
| Total Trihalomethanes (TTHM) | 11 | 1 |
Frequently Asked Questions
Which ZIP code in Princeton has the highest home safety score?
ZIP code 08542 has the highest safety score among scored ZIP codes in Princeton at 50/100 (grade D). Check the full report for details.
Is Princeton water safe to drink?
The Home Safety Score is not a drinking-water grade. Across 3 directly mapped ZIP records, 131 EPA violations are recorded; 0 of 3 records with known lead status exceed the action level. Check the specific ZIP and serving system before drawing a property-level conclusion.
Related Pages
Data Sources
- EPA SDWIS
- U.S. Census Bureau
Reporting periods vary by source; the page metadata identifies this materialization.