Maricopa, AZ Home Safety by Neighborhood - Water Issues Recorded
4 ZIP codes · 175 EPA violations on record for mapped water systems
Data source: ZipCheckup Home Safety Score registry; EPA SDWIS; EPA radon; EPA AirNow
ZipCheckup compares 4 ZIP codes across Maricopa, AZ. The area averages a grade C (58/100); water systems associated with 2 ZIP codes have recorded EPA violations.
Home-safety conditions vary across Maricopa, AZ. We compared 4 ZIP codes using the current versioned Home Safety Score. Water compliance remains one component alongside PFAS screening, radon, and annual air quality.
City Overview: Grade C (58/100)
| Grade | Neighborhoods | % |
|---|---|---|
| A | 0 | 0% |
| B | 0 | 0% |
| C | 2 | 100% |
| D | 0 | 0% |
| F | 0 | 0% |
Neighborhood Rankings
Mapped ZIP codes in Maricopa ranked by Home Safety Score:
| Rank | ZIP Code | Score | Grade | Violations | Lead Risk |
|---|---|---|---|---|---|
| 1 | 85138 | 58 | C | 96 | No data |
| 2 | 85139 | 58 | C | 166 | No data |
| 3 | 85238 | — | — | — | No data |
| 4 | 85239 | — | — | — | No data |
How Neighborhoods Compare
Each ZIP code compared to county and state averages:
- 0 neighborhoods score better than county average
- 2 neighborhoods score worse than county average
EPA Violations
- 175 total violations since 2021 across the water systems mapped to Maricopa ZIP codes (each system counted once; includes small systems beyond the city utility)
- 34 health-based violation records in the available EPA data
- 2 of 2 directly mapped ZIP records are mapped to water systems with recorded violations
- 0 of 2 ZIP records with known lead status are served by a system whose 90th-percentile lead result exceeded the EPA action level
Top Contaminants
| Contaminant | Violations | ZIPs |
|---|---|---|
| Nitrate | 25 | 2 |
| Public Notice Rule | 18 | 2 |
| Revised Total Coliform Rule | 13 | 2 |
| Lead and Copper Rule Revisions | 12 | 2 |
| Arsenic | 11 | 2 |
Frequently Asked Questions
Which ZIP code in Maricopa has the highest home safety score?
ZIP code 85138 has the highest safety score among scored ZIP codes in Maricopa at 58/100 (grade C). Check the full report for details.
Is Maricopa water safe to drink?
The Home Safety Score is not a drinking-water grade. Across 2 directly mapped ZIP records, 175 EPA violations are recorded; 0 of 2 records with known lead status exceed the action level. Check the specific ZIP and serving system before drawing a property-level conclusion.
Related Pages
Data Sources
- EPA SDWIS
- U.S. Census Bureau
Reporting periods vary by source; the page metadata identifies this materialization.