Mesa, AZ Neighborhood Water Quality — Grade B
19 ZIP codes · 133 EPA violations
Data source: EPA SDWIS Last verified: 2026-06-03
Water quality varies significantly across Mesa, AZ. We analyzed 19 ZIP codes to help you compare neighborhoods by water safety, lead risk, and EPA compliance.
City Overview: Grade B (71/100)
| Grade | Neighborhoods | % |
|---|---|---|
| A | 0 | 0% |
| B | 16 | 84% |
| C | 3 | 16% |
| D | 0 | 0% |
| F | 0 | 0% |
Neighborhood Rankings
Every ZIP code in Mesa ranked by Home Safety Score:
| Rank | ZIP Code | Score | Grade | Violations | Lead Risk |
|---|---|---|---|---|---|
| 1 | 85202 | 72 | B | 7 | 0.0050 mg/L |
| 2 | 85204 | 72 | B | 7 | 0.0050 mg/L |
| 3 | 85205 | 72 | B | 7 | 0.0050 mg/L |
| 4 | 85207 | 72 | B | 7 | 0.0050 mg/L |
| 5 | 85208 | 72 | B | 7 | 0.0050 mg/L |
| 6 | 85209 | 72 | B | 7 | 0.0050 mg/L |
| 7 | 85210 | 72 | B | 7 | 0.0050 mg/L |
| 8 | 85211 | 72 | B | 7 | 0.0050 mg/L |
| 9 | 85212 | 72 | B | 7 | 0.0050 mg/L |
| 10 | 85213 | 72 | B | 7 | 0.0050 mg/L |
| 11 | 85214 | 72 | B | 7 | 0.0050 mg/L |
| 12 | 85215 | 72 | B | 7 | 0.0050 mg/L |
| 13 | 85216 | 72 | B | 7 | 0.0050 mg/L |
| 14 | 85274 | 72 | B | 7 | 0.0050 mg/L |
| 15 | 85275 | 72 | B | 7 | 0.0050 mg/L |
| 16 | 85277 | 72 | B | 7 | 0.0050 mg/L |
| 17 | 85201 | 67 | C | 7 | 0.0050 mg/L |
| 18 | 85203 | 67 | C | 7 | 0.0050 mg/L |
| 19 | 85206 | 67 | C | 7 | 0.0050 mg/L |
How Neighborhoods Compare
Each ZIP code compared to county and state averages:
- 19 neighborhoods score better than county average
- 0 neighborhoods score worse than county average
EPA Violations
- 133 total violations across Mesa
- 0 health-based violations
- 19 of 19 ZIP codes have violations
- 0 ZIP codes exceed EPA lead action level
Top Contaminants
| Contaminant | Violations | ZIPs |
|---|---|---|
| Contaminant 1011 | 38 | 19 |
| Contaminant 1009 | 19 | 19 |
| Contaminant 1052 | 19 | 19 |
| Chlorite | 19 | 19 |
| Consumer Confidence Report Rule | 19 | 19 |
Frequently Asked Questions
What is the safest neighborhood in Mesa?
ZIP code 85202 has the highest safety score in Mesa at 72/100 (grade B). Check the full report for details.
Is Mesa water safe to drink?
Mesa has an average water safety score of 71/100 (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.