Glendale, AZ Neighborhood Water Quality — Grade C
12 ZIP codes · 816 EPA violations
Data source: EPA SDWIS Last verified: 2026-06-04
Water quality varies significantly across Glendale, AZ. We analyzed 12 ZIP codes to help you compare neighborhoods by water safety, lead risk, and EPA compliance.
City Overview: Grade C (69/100)
| Grade | Neighborhoods | % |
|---|---|---|
| A | 0 | 0% |
| B | 2 | 17% |
| C | 10 | 83% |
| D | 0 | 0% |
| F | 0 | 0% |
Neighborhood Rankings
Every ZIP code in Glendale ranked by Home Safety Score:
| Rank | ZIP Code | Score | Grade | Violations | Lead Risk |
|---|---|---|---|---|---|
| 1 | 85303 | 72 | B | 68 | 0.0015 mg/L |
| 2 | 85310 | 72 | B | 68 | 0.0015 mg/L |
| 3 | 85305 | 69 | C | 68 | 0.0015 mg/L |
| 4 | 85307 | 69 | C | 68 | 0.0015 mg/L |
| 5 | 85311 | 69 | C | 68 | 0.0015 mg/L |
| 6 | 85312 | 69 | C | 68 | 0.0015 mg/L |
| 7 | 85318 | 69 | C | 68 | 0.0015 mg/L |
| 8 | 85301 | 67 | C | 68 | 0.0015 mg/L |
| 9 | 85302 | 67 | C | 68 | 0.0015 mg/L |
| 10 | 85304 | 67 | C | 68 | 0.0015 mg/L |
| 11 | 85306 | 67 | C | 68 | 0.0015 mg/L |
| 12 | 85308 | 67 | C | 68 | 0.0015 mg/L |
How Neighborhoods Compare
Each ZIP code compared to county and state averages:
- 12 neighborhoods score better than county average
- 0 neighborhoods score worse than county average
EPA Violations
- 816 total violations across Glendale
- 96 health-based violations
- 12 of 12 ZIP codes have violations
- 0 ZIP codes exceed EPA lead action level
Top Contaminants
| Contaminant | Violations | ZIPs |
|---|---|---|
| Consumer Confidence Report Rule | 348 | 12 |
| Stage 1 DBP Rule | 144 | 12 |
| Revised Total Coliform Rule | 108 | 12 |
| Barium | 36 | 12 |
| Total Trihalomethanes (TTHM) | 36 | 12 |
Frequently Asked Questions
What is the safest neighborhood in Glendale?
ZIP code 85303 has the highest safety score in Glendale at 72/100 (grade B). Check the full report for details.
Is Glendale water safe to drink?
Glendale has an average water safety score of 69/100 (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.