Tempe, AZ Neighborhood Water Quality — Grade B
8 ZIP codes · 192 EPA violations
Data source: EPA SDWIS Last verified: 2026-06-03
Water quality varies significantly across Tempe, AZ. We analyzed 8 ZIP codes to help you compare neighborhoods by water safety, lead risk, and EPA compliance.
City Overview: Grade B (81/100)
| Grade | Neighborhoods | % |
|---|---|---|
| A | 0 | 0% |
| B | 8 | 100% |
| C | 0 | 0% |
| D | 0 | 0% |
| F | 0 | 0% |
Neighborhood Rankings
Every ZIP code in Tempe ranked by Home Safety Score:
| Rank | ZIP Code | Score | Grade | Violations | Lead Risk |
|---|---|---|---|---|---|
| 1 | 85280 | 82 | B | 24 | 0.0044 mg/L |
| 2 | 85282 | 82 | B | 24 | 0.0044 mg/L |
| 3 | 85283 | 82 | B | 24 | 0.0044 mg/L |
| 4 | 85284 | 82 | B | 24 | 0.0044 mg/L |
| 5 | 85285 | 82 | B | 24 | 0.0044 mg/L |
| 6 | 85287 | 82 | B | 24 | 0.0044 mg/L |
| 7 | 85289 | 82 | B | 24 | 0.0044 mg/L |
| 8 | 85281 | 77 | B | 24 | 0.0044 mg/L |
How Neighborhoods Compare
Each ZIP code compared to county and state averages:
- 8 neighborhoods score better than county average
- 0 neighborhoods score worse than county average
EPA Violations
- 192 total violations across Tempe
- 8 health-based violations
- 8 of 8 ZIP codes have violations
- 0 ZIP codes exceed EPA lead action level
Top Contaminants
| Contaminant | Violations | ZIPs |
|---|---|---|
| Consumer Confidence Report Rule | 48 | 8 |
| Lead | 32 | 8 |
| Stage 1 DBP Rule | 24 | 8 |
| Lead and Copper Rule | 24 | 8 |
| Revised Total Coliform Rule | 24 | 8 |
Frequently Asked Questions
What is the safest neighborhood in Tempe?
ZIP code 85280 has the highest safety score in Tempe at 82/100 (grade B). Check the full report for details.
Is Tempe water safe to drink?
Tempe has an average water safety score of 81/100 (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.