CONGRESSIONAL DISTRICT WI

Wisconsin - 4th District

119th Congress · 39 ZIP codes · Avg score 82/100 · Grade B · Updated N/A

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

ZipCheckup's versioned Home Safety Profile covers 39 ZIP codes in Wisconsin's 4th District: the measured model 4.0.0 average is Grade B (82/100). 38 EPA violations on record, 4 health-based.

B
District Grade
82
Avg Safety Score
39
ZIP Codes
38
Total Violations
4
Health Violations
13
Water Systems
Best ZIP: 53202 (83/100)
Lowest ZIP: 53217 (67/100)

Top Contaminants

Stage 1 DBP Rule (15) Lead and Copper Rule (15) Consumer Confidence Report Rule (4) Stage 2 DBP Rule (2) Total Trihalomethanes (TTHM) (1)

ZIP Codes in This District

39 ZIP codes tracked in Wisconsin's 4th District.

# ZIP Code City Safety Score Grade Violations
1 53202 Milwaukee 83 B 0
2 53203 Milwaukee 83 B 0
3 53204 Milwaukee 83 B 0
4 53205 Milwaukee 83 B 0
5 53206 Milwaukee 83 B 0
6 53207 Milwaukee 83 B 1
7 53208 Milwaukee 83 B 0
8 53209 Milwaukee 83 B 0
9 53210 Milwaukee 83 B 0
10 53212 Milwaukee 83 B 0
11 53213 Milwaukee 83 B 0
12 53214 Milwaukee 83 B 0
13 53215 Milwaukee 83 B 0
14 53216 Milwaukee 83 B 0
15 53218 Milwaukee 83 B 0
16 53219 Milwaukee 83 B 0
17 53222 Milwaukee 83 B 0
18 53224 Milwaukee 83 B 0
19 53225 Milwaukee 83 B 0
20 53226 Milwaukee 83 B 0
21 53233 Milwaukee 83 B 0
22 53295 Milwaukee 83 B 0
23 53221 Milwaukee 81 B 4
24 53211 Milwaukee 67 C 16 (2 health)
25 53217 Milwaukee 67 C 17 (2 health)
26 53201 Milwaukee N/A N/A N/A
27 53223 Milwaukee N/A N/A N/A
28 53234 Milwaukee N/A N/A N/A
29 53237 Milwaukee N/A N/A N/A
30 53244 Milwaukee N/A N/A N/A
31 53259 Milwaukee N/A N/A N/A
32 53263 Milwaukee N/A N/A N/A
33 53267 Milwaukee N/A N/A N/A
34 53268 Milwaukee N/A N/A N/A
35 53274 Milwaukee N/A N/A N/A
36 53278 Milwaukee N/A N/A N/A
37 53288 Milwaukee N/A N/A N/A
38 53290 Milwaukee N/A N/A N/A
39 53293 Milwaukee N/A N/A N/A

Overview

Wisconsin's 4th District encompasses 39 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is B (82/100).

38 EPA violations have been recorded across this district's water systems. 4 are health-based violations. About 16% 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:

  • Stage 1 DBP Rule - 15 violations
  • Lead and Copper Rule - 15 violations
  • Consumer Confidence Report Rule - 4 violations
  • Stage 2 DBP Rule - 2 violations
  • Total Trihalomethanes (TTHM) - 1 violation

Housing Context

Homes in this district were built on average around 1941 (~85 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

Updated daily. Data covers 39 ZIP codes in Wisconsin's 4th District.

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How to cite this page

APA ZipCheckup. (2026). Lead Risk in Wisconsin 4th District (WI-4). https://zipcheckup.com/congressional/wi-4/
BibTeX
@misc{zipcheckup-congressional-wi-4,
  author = {{ZipCheckup}},
  title  = {{Lead Risk in Wisconsin 4th District (WI-4)}},
  year   = {2026},
  url    = {https://zipcheckup.com/congressional/wi-4/}
}

Page version: August 2026.

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