Arizona — 3rd District
119th Congress · 107 ZIP codes · Avg score 58/100 · Grade C · Updated 2026-06-03
Data: EPA SDWIS / Census 119th Congress Last verified: 2026-06-03
Top Contaminants
ZIP Codes in This District
100 ZIP codes tracked in Arizona's 3rd District. Showing top 50 by safety score.
| # | ZIP Code | City | Safety Score | Grade | Violations |
|---|---|---|---|---|---|
| 1 | 85609 | Dragoon | 82 | B | 8 (1 health) |
| 2 | 85644 | Willcox | 82 | B | 21 (1 health) |
| 3 | 85607 | Douglas | 81 | B | 22 (2 health) |
| 4 | 85608 | Douglas | 81 | B | 22 (2 health) |
| 5 | 85655 | Douglas | 81 | B | 22 (2 health) |
| 6 | 86555 | Douglas | 81 | B | 22 (2 health) |
| 7 | 85620 | Naco | 79 | B | 12 (3 health) |
| 8 | 85605 | Bowie | 78 | B | 1 (1 health) |
| 9 | 85616 | Huachuca City | 77 | B | 22 (3 health) |
| 10 | 85636 | Sierra Vista | 77 | B | 443 (6 health) |
| 11 | 85643 | Willcox | 77 | B | 21 (1 health) |
| 12 | 85650 | Sierra Vista | 77 | B | 443 (6 health) |
| 13 | 85613 | Fort Huachuca | 76 | B | 18 (7 health) |
| 14 | 85630 | Saint David | 76 | B | 13 (2 health) |
| 15 | 85671 | Sierra Vista | 76 | B | 443 (6 health) |
| 16 | 85603 | Bisbee | 75 | B | 16 (3 health) |
| 17 | 85602 | Benson | 74 | B | 31 (6 health) |
| 18 | 85670 | Fort Huachuca | 74 | B | 18 (7 health) |
| 19 | 85638 | Tombstone | 73 | B | 14 |
| 20 | 85625 | Pearce | 72 | B | 8 (1 health) |
| 21 | 85635 | Sierra Vista | 72 | B | 443 (6 health) |
| 22 | 85627 | Pomerene | 71 | B | 14 (4 health) |
| 23 | 85610 | Elfrida | 66 | C | 13 (5 health) |
| 24 | 85606 | Cochise | 63 | C | 0 |
| 25 | 85626 | Pirtleville | 63 | C | 0 |
| 26 | 85001 | Phoenix | 58 | C | 280 (31 health) |
| 27 | 85003 | Phoenix | 58 | C | 280 (31 health) |
| 28 | 85004 | Phoenix | 58 | C | 280 (31 health) |
| 29 | 85005 | Phoenix | 58 | C | 280 (31 health) |
| 30 | 85006 | Phoenix | 58 | C | 280 (31 health) |
| 31 | 85027 | Phoenix | 58 | C | 280 (31 health) |
| 32 | 85028 | Phoenix | 58 | C | 280 (31 health) |
| 33 | 85030 | Phoenix | 58 | C | 280 (31 health) |
| 34 | 85035 | Phoenix | 58 | C | 280 (31 health) |
| 35 | 85036 | Phoenix | 58 | C | 280 (31 health) |
| 36 | 85037 | Phoenix | 58 | C | 280 (31 health) |
| 37 | 85040 | Phoenix | 58 | C | 280 (31 health) |
| 38 | 85042 | Phoenix | 58 | C | 280 (31 health) |
| 39 | 85043 | Phoenix | 58 | C | 280 (31 health) |
| 40 | 85044 | Phoenix | 58 | C | 280 (31 health) |
| 41 | 85048 | Phoenix | 58 | C | 280 (31 health) |
| 42 | 85050 | Phoenix | 58 | C | 280 (31 health) |
| 43 | 85054 | Phoenix | 58 | C | 280 (31 health) |
| 44 | 85060 | Phoenix | 58 | C | 280 (31 health) |
| 45 | 85061 | Phoenix | 58 | C | 280 (31 health) |
| 46 | 85064 | Phoenix | 58 | C | 280 (31 health) |
| 47 | 85067 | Phoenix | 58 | C | 280 (31 health) |
| 48 | 85083 | Phoenix | 58 | C | 280 (31 health) |
| 49 | 85085 | Phoenix | 58 | C | 280 (31 health) |
| 50 | 85632 | San Simon | 58 | C | 39 (20 health) |
Overview
Arizona's 3rd District serving an estimated 182,337,835 residents encompasses 107 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is C (58/100).
23969 EPA violations have been recorded across this district's water systems. 2515 are health-based violations. About 95% of tracked ZIP codes have at least one violation.
Top Contaminants
The most frequently cited water quality issues in this district:
- Consumer Confidence Report Rule — 5395 violations
- Revised Total Coliform Rule — 2769 violations
- Lead and Copper Rule — 1933 violations
- Stage 2 DBP Rule — 1762 violations
- Lead — 1145 violations
Housing Context
Homes in this district were built on average around 1984 (~42 years old). Older homes may have lead pipes or solder — consider a water filter if your home predates 1986.
Data Sources
- Water quality violations: EPA Safe Drinking Water Information System (SDWIS)
- Congressional district boundaries: U.S. Census Bureau, 119th Congress
- Housing age: U.S. Census Bureau American Community Survey
Updated daily. Data covers 107 ZIP codes in Arizona's 3rd District.