CONGRESSIONAL DISTRICT IL

Illinois - 4th District

119th Congress · 46 ZIP codes · Avg score 69/100 · Grade C · Updated N/A

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

ZipCheckup's versioned Home Safety Profile covers 46 ZIP codes in Illinois's 4th District: the measured model 4.0.0 average is Grade C (69/100). 237 EPA violations on record, 8 health-based.

C
District Grade
69
Avg Safety Score
46
ZIP Codes
237
Total Violations
8
Health Violations
30
Water Systems
Berkeley
Best ZIP: 60163 (75/100)
Cicero
Lowest ZIP: 60804 (60/100)

Top Contaminants

Surface Water Treatment Rule (59) Stage 2 DBP Rule (33) Chlorite (28) Haloacetic Acids (HAA5) (25) Total Trihalomethanes (TTHM) (23)

ZIP Codes in This District

46 ZIP codes tracked in Illinois's 4th District.

# ZIP Code City Safety Score Grade Violations
1 60163 Berkeley 75 B 1
2 60165 Stone Park 75 B 2
3 60534 Lyons 74 B 1
4 60608 Chicago 72 B 10
5 60609 Chicago 72 B 10
6 60623 Chicago 72 B 10
7 60632 Chicago 72 B 10
8 60131 Franklin Park 71 B 8
9 60164 Melrose Park 71 B 8
10 60513 Brookfield 69 C 7
11 60521 Hinsdale 69 C 25 (1 health)
12 60459 Burbank 68 C 7 (1 health)
13 60160 Melrose Park 67 C 12 (1 health)
14 60629 Chicago 67 C 14 (1 health)
15 60526 La Grange Park 66 C 14 (1 health)
16 60638 Chicago 63 C 25 (1 health)
17 60402 Berwyn 61 C 25 (1 health)
18 60546 Riverside 60 C 18
19 60804 Cicero 60 C 30 (1 health)
20 60161 Melrose Park N/A N/A N/A
21 60290 Chicago N/A N/A N/A
22 60454 Oak Lawn N/A N/A N/A
23 60499 Bedford Park N/A N/A N/A
24 60664 Chicago N/A N/A N/A
25 60666 Chicago N/A N/A N/A
26 60668 Chicago N/A N/A N/A
27 60669 Chicago N/A N/A N/A
28 60670 Chicago N/A N/A N/A
29 60673 Chicago N/A N/A N/A
30 60674 Chicago N/A N/A N/A
31 60675 Chicago N/A N/A N/A
32 60677 Chicago N/A N/A N/A
33 60678 Chicago N/A N/A N/A
34 60680 Chicago N/A N/A N/A
35 60681 Chicago N/A N/A N/A
36 60682 Chicago N/A N/A N/A
37 60684 Chicago N/A N/A N/A
38 60685 Chicago N/A N/A N/A
39 60687 Chicago N/A N/A N/A
40 60690 Chicago N/A N/A N/A
41 60691 Chicago N/A N/A N/A
42 60693 Chicago N/A N/A N/A
43 60694 Chicago N/A N/A N/A
44 60697 Chicago N/A N/A N/A
45 60699 Chicago N/A N/A N/A
46 60701 Chicago N/A N/A N/A

Overview

Illinois's 4th District encompasses 46 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is C (69/100).

237 EPA violations have been recorded across this district's water systems. 8 are health-based violations. About 100% of the 19 ZIP records with a reported violation count have at least one violation.

Top Contaminants

The most frequently cited water quality issues in this district:

  • Surface Water Treatment Rule - 59 violations
  • Stage 2 DBP Rule - 33 violations
  • Chlorite - 28 violations
  • Haloacetic Acids (HAA5) - 25 violations
  • Total Trihalomethanes (TTHM) - 23 violations

Housing Context

Homes in this district were built on average around 1943 (~83 years old). Older homes may have lead pipes or solder - consider a water filter if your home predates 1986.

Data Sources

Updated daily. Data covers 46 ZIP codes in Illinois's 4th District.

← Back to Illinois overview

How to cite this page

APA ZipCheckup. (2026). Illinois 4th District: 237 EPA Violations - C. https://zipcheckup.com/congressional/il-4/
BibTeX 
@misc{zipcheckup-congressional-il-4,
  author = {{ZipCheckup}},
  title  = {{Illinois 4th District: 237 EPA Violations - C}},
  year   = {2026},
  url    = {https://zipcheckup.com/congressional/il-4/}
}

Page version: August 2026.

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