Illinois — 3rd District
119th Congress · 25 ZIP codes · Avg score 66/100 · Grade C · Updated 2026-03-22
Data: EPA SDWIS / Census 119th Congress Last verified: 2026-03-22
Top Contaminants
ZIP Codes in This District
25 ZIP codes tracked in Illinois's 3rd District.
| # | ZIP Code | City | Safety Score | Grade | Violations |
|---|---|---|---|---|---|
| 1 | 60138 | Glen Ellyn | 81 | B | 1 |
| 2 | 60186 | West Chicago | 80 | B | 3 |
| 3 | 60105 | Bensenville | 76 | B | 8 |
| 4 | 60133 | Hanover Park | 76 | B | 1 |
| 5 | 60185 | West Chicago | 75 | B | 3 |
| 6 | 60190 | Winfield | 73 | B | 0 |
| 7 | 60139 | Glendale Heights | 70 | B | 1 |
| 8 | 60187 | Wheaton | 70 | B | 4 |
| 9 | 60555 | Warrenville | 70 | B | 4 |
| 10 | 60171 | River Grove | 68 | C | 1 |
| 11 | 60399 | Wood Dale | 68 | C | 2 |
| 12 | 60009 | Elk Grove Village | 67 | C | 4 |
| 13 | 60106 | Bensenville | 66 | C | 8 |
| 14 | 60101 | Addison | 64 | C | 15 (1 health) |
| 15 | 60184 | Wayne | 63 | C | 0 |
| 16 | 60618 | Chicago | 61 | C | 49 (3 health) |
| 17 | 60634 | Chicago | 61 | C | 49 (3 health) |
| 18 | 60639 | Chicago | 61 | C | 49 (3 health) |
| 19 | 60641 | Chicago | 61 | C | 49 (3 health) |
| 20 | 60647 | Chicago | 61 | C | 49 (3 health) |
| 21 | 60651 | Chicago | 61 | C | 49 (3 health) |
| 22 | 60103 | Bartlett | 58 | C | 0 |
| 23 | 60707 | Elmwood Park | 58 | C | 2 |
| 24 | 60625 | Chicago | 56 | C | 49 (3 health) |
| 25 | 60120 | Elgin | 44 | D | 39 (1 health) |
Overview
Illinois's 3rd District serving an estimated 19,855,968 residents encompasses 25 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is C (66/100).
439 EPA violations have been recorded across this district's water systems. 23 are health-based violations. About 88% of tracked ZIP codes have at least one violation.
Top Contaminants
The most frequently cited water quality issues in this district:
- Chlorite — 93 violations
- Gross Beta — 91 violations
- Surface Water Treatment Rule — 42 violations
- Consumer Confidence Report Rule — 41 violations
- Revised Total Coliform Rule — 37 violations
Housing Context
Homes in this district were built on average around 1949 (~77 years old). Older homes may have lead pipes or solder — consider a water filter if your home predates 1986.
Lead Alert: 2 ZIP codes in this district exceed the EPA action level for lead. Consider using a certified lead-removal filter.
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 25 ZIP codes in Illinois's 3rd District.