Gilbert, AZ Neighborhood Water Quality — Grade B
7 ZIP codes · 357 EPA violations
Data source: EPA SDWIS Last verified: 2026-06-03
Water quality varies significantly across Gilbert, AZ. We analyzed 7 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 | 6 | 86% |
| C | 1 | 14% |
| D | 0 | 0% |
| F | 0 | 0% |
Neighborhood Rankings
Every ZIP code in Gilbert ranked by Home Safety Score:
| Rank | ZIP Code | Score | Grade | Violations | Lead Risk |
|---|---|---|---|---|---|
| 1 | 85233 | 70 | B | 51 | 0.0003 mg/L |
| 2 | 85234 | 70 | B | 51 | 0.0003 mg/L |
| 3 | 85295 | 70 | B | 51 | 0.0003 mg/L |
| 4 | 85296 | 70 | B | 51 | 0.0003 mg/L |
| 5 | 85297 | 70 | B | 51 | 0.0003 mg/L |
| 6 | 85298 | 70 | B | 51 | 0.0003 mg/L |
| 7 | 85299 | 67 | C | 51 | 0.0003 mg/L |
How Neighborhoods Compare
Each ZIP code compared to county and state averages:
- 7 neighborhoods score better than county average
- 0 neighborhoods score worse than county average
EPA Violations
- 357 total violations across Gilbert
- 28 health-based violations
- 7 of 7 ZIP codes have violations
- 0 ZIP codes exceed EPA lead action level
Top Contaminants
| Contaminant | Violations | ZIPs |
|---|---|---|
| Chlorite | 56 | 7 |
| Consumer Confidence Report Rule | 49 | 7 |
| Fecal Coliform | 42 | 7 |
| Barium | 35 | 7 |
| E. coli | 35 | 7 |
Frequently Asked Questions
What is the safest neighborhood in Gilbert?
ZIP code 85233 has the highest safety score in Gilbert at 70/100 (grade B). Check the full report for details.
Is Gilbert water safe to drink?
Gilbert 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.