Illinois — 6th District
119th Congress · 43 ZIP codes · Avg score 71/100 · Grade B · Updated 2026-07-17
Data: EPA SDWIS / Census 119th Congress Last verified: 2026-07-17
ZipCheckup tracks water safety for 43 ZIP codes in Illinois's 6th District: the district earns a grade B (71/100). 111 EPA violations on record, 3 health-based.
Top Contaminants
ZIP Codes in This District
43 ZIP codes tracked in Illinois's 6th District.
| # | ZIP Code | City | Safety Score | Grade | Violations |
|---|---|---|---|---|---|
| 1 | 60455 | Bridgeview | 83 | B | 0 |
| 2 | 60482 | Worth | 83 | B | 1 |
| 3 | 60522 | Hinsdale | 83 | B | 1 |
| 4 | 60117 | Bloomingdale | 81 | B | 1 |
| 5 | 60128 | Carol Stream | 81 | B | 2 |
| 6 | 60132 | Carol Stream | 81 | B | 2 |
| 7 | 60199 | Carol Stream | 81 | B | 2 |
| 8 | 60467 | Orland Park | 81 | B | 1 |
| 9 | 60805 | Evergreen Park | 80 | B | 0 |
| 10 | 60458 | Justice | 78 | B | 0 |
| 11 | 60803 | Alsip | 78 | B | 1 |
| 12 | 60566 | Naperville | 77 | B | 1 |
| 13 | 60415 | Chicago Ridge | 75 | B | 0 |
| 14 | 60514 | Clarendon Hills | 75 | B | 0 |
| 15 | 60561 | Darien | 75 | B | 4 |
| 16 | 60464 | Palos Park | 74 | B | 7 (1 health) |
| 17 | 60558 | Western Springs | 74 | B | 6 |
| 18 | 60189 | Wheaton | 73 | B | 1 |
| 19 | 60456 | Hometown | 73 | B | 2 |
| 20 | 60465 | Palos Hills | 73 | B | 0 |
| 21 | 60515 | Downers Grove | 73 | B | 0 |
| 22 | 60516 | Downers Grove | 73 | B | 0 |
| 23 | 60418 | Crestwood | 72 | B | 6 |
| 24 | 60527 | Willowbrook | 72 | B | 6 |
| 25 | 60148 | Lombard | 71 | B | 1 |
| 26 | 60462 | Orland Park | 71 | B | 1 |
| 27 | 60655 | Chicago | 71 | B | 19 (1 health) |
| 28 | 60453 | Oak Lawn | 70 | B | 3 |
| 29 | 60457 | Hickory Hills | 70 | B | 0 |
| 30 | 60181 | Villa Park | 69 | C | 0 |
| 31 | 60463 | Palos Heights | 68 | C | 1 |
| 32 | 60137 | Glen Ellyn | 66 | C | 1 |
| 33 | 60487 | Tinley Park | 66 | C | 3 |
| 34 | 60532 | Lisle | 66 | C | 2 |
| 35 | 60126 | Elmhurst | 65 | C | 0 |
| 36 | 60559 | Westmont | 64 | C | 4 (1 health) |
| 37 | 60480 | Willow Springs | 63 | C | 0 |
| 38 | 60501 | Summit Argo | 63 | C | 0 |
| 39 | 60525 | La Grange | 63 | C | 5 |
| 40 | 60477 | Tinley Park | 61 | C | 3 |
| 41 | 60523 | Oak Brook | 60 | C | 17 |
| 42 | 60599 | Fox Valley | 53 | D | 0 |
| 43 | 60598 | Aurora | 45 | D | 7 |
Overview
Illinois's 6th District encompasses 43 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is B (71/100).
111 EPA violations have been recorded across this district's water systems. 3 are health-based violations. About 67% of tracked ZIP codes have at least one violation.
Top Contaminants
The most frequently cited water quality issues in this district:
- Surface Water Treatment Rule - 41 violations
- Stage 1 DBP Rule - 14 violations
- Revised Total Coliform Rule - 9 violations
- Consumer Confidence Report Rule - 8 violations
- Total Trihalomethanes (TTHM) - 8 violations
Housing Context
Homes in this district were built on average around 1971 (~55 years old). Older homes may have lead pipes or solder - consider a water filter if your home predates 1986.
Lead Alert: 1 ZIP code 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 43 ZIP codes in Illinois's 6th District.