Casa Grande, AZ Neighborhood Water Quality — Grade B
8 ZIP codes · 72 EPA violations
Data source: EPA SDWIS Last verified: 2026-06-04
Water quality varies significantly across Casa Grande, AZ. We analyzed 8 ZIP codes to help you compare neighborhoods by water safety, lead risk, and EPA compliance.
City Overview: Grade B (82/100)
| Grade | Neighborhoods | % |
|---|---|---|
| A | 0 | 0% |
| B | 8 | 100% |
| C | 0 | 0% |
| D | 0 | 0% |
| F | 0 | 0% |
Neighborhood Rankings
Every ZIP code in Casa Grande ranked by Home Safety Score:
| Rank | ZIP Code | Score | Grade | Violations | Lead Risk |
|---|---|---|---|---|---|
| 1 | 85122 | 82 | B | 9 | 0.0010 mg/L |
| 2 | 85130 | 82 | B | 9 | 0.0010 mg/L |
| 3 | 85193 | 82 | B | 9 | 0.0010 mg/L |
| 4 | 85194 | 82 | B | 9 | 0.0010 mg/L |
| 5 | 85222 | 82 | B | 9 | 0.0010 mg/L |
| 6 | 85230 | 82 | B | 9 | 0.0010 mg/L |
| 7 | 85293 | 82 | B | 9 | 0.0010 mg/L |
| 8 | 85294 | 82 | B | 9 | 0.0010 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
- 72 total violations across Casa Grande
- 8 health-based violations
- 8 of 8 ZIP codes have violations
- 0 ZIP codes exceed EPA lead action level
Top Contaminants
| Contaminant | Violations | ZIPs |
|---|---|---|
| Lead | 16 | 8 |
| Total Trihalomethanes (TTHM) | 16 | 8 |
| Stage 2 DBP Rule | 16 | 8 |
| Barium | 8 | 8 |
| Total Coliform | 8 | 8 |
Frequently Asked Questions
What is the safest neighborhood in Casa Grande?
ZIP code 85122 has the highest safety score in Casa Grande at 82/100 (grade B). Check the full report for details.
Is Casa Grande water safe to drink?
Casa Grande has an average water safety score of 82/100 (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.