CONGRESSIONAL DISTRICT IL

Illinois - 1st District

119th Congress · 25 ZIP codes · Avg score 71/100 · Grade B · Updated N/A

Data: EPA SDWIS / Census 119th Congress Last verified: N/A

ZipCheckup's versioned Home Safety Profile covers 25 ZIP codes in Illinois's 1st District: the measured model 4.0.0 average is Grade B (71/100). 573 EPA violations on record, 10 health-based.

B
District Grade
71
Avg Safety Score
25
ZIP Codes
573
Total Violations
10
Health Violations
37
Water Systems
Best ZIP: 60408 (82/100)
Lowest ZIP: 60472 (58/100)

Top Contaminants

Lead and Copper Rule (56) Surface Water Treatment Rule (52) Chlorite (41) Stage 2 DBP Rule (34) Stage 1 DBP Rule (34)

ZIP Codes in This District

25 ZIP codes tracked in Illinois's 1st District.

# ZIP Code City Safety Score Grade Violations
1 60408 Braidwood 82 B 4
2 60442 Manhattan 81 B 31
3 60491 Homer Glen 80 B 42 (1 health)
4 60451 New Lenox 78 B 79 (1 health)
5 60481 Wilmington 77 B 16
6 60448 Mokena 75 B 51
7 60615 Chicago 72 B 10
8 60619 Chicago 72 B 10
9 60620 Chicago 72 B 10
10 60621 Chicago 72 B 10
11 60628 Chicago 72 B 10
12 60637 Chicago 72 B 10
13 60643 Chicago 72 B 10
14 60649 Chicago 72 B 10
15 60653 Chicago 72 B 10
16 60431 Joliet 68 C 53 (2 health)
17 60423 Frankfort 67 C 67 (2 health)
18 60652 Chicago 67 C 14 (1 health)
19 60445 Midlothian 65 C 14
20 60410 Channahon 63 C 16 (1 health)
21 60452 Oak Forest 59 C 25
22 60469 Posen 59 C 18
23 60472 Robbins 58 C 40
24 60914 Bourbonnais N/A N/A 8 (1 health)
25 60950 Manteno N/A N/A 5 (1 health)

Overview

Illinois's 1st District encompasses 25 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is B (71/100).

573 EPA violations have been recorded across this district's water systems. 10 are health-based violations. About 100% of the 25 ZIP records with a reported violation count have at least one violation.

Top Contaminants

The most frequently cited water quality issues in this district:

  • Lead and Copper Rule - 56 violations
  • Surface Water Treatment Rule - 52 violations
  • Chlorite - 41 violations
  • Stage 2 DBP Rule - 34 violations
  • Stage 1 DBP Rule - 34 violations

Housing Context

Homes in this district were built on average around 1972 (~54 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

Updated daily. Data covers 25 ZIP codes in Illinois's 1st District.

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How to cite this page

APA ZipCheckup. (2026). Lead Risk in Illinois 1st District (IL-1). https://zipcheckup.com/congressional/il-1/
BibTeX
@misc{zipcheckup-congressional-il-1,
  author = {{ZipCheckup}},
  title  = {{Lead Risk in Illinois 1st District (IL-1)}},
  year   = {2026},
  url    = {https://zipcheckup.com/congressional/il-1/}
}

Page version: August 2026.

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