CONGRESSIONAL DISTRICT WI

Wisconsin - 1st District

119th Congress · 65 ZIP codes · Avg score 73/100 · Grade B · Updated N/A

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

ZipCheckup's versioned Home Safety Profile covers 65 ZIP codes in Wisconsin's 1st District: the measured model 4.0.0 average is Grade B (73/100). 530 EPA violations on record, 42 health-based.

B
District Grade
73
Avg Safety Score
65
ZIP Codes
530
Total Violations
42
Health Violations
47
Water Systems
Cudahy
Best ZIP: 53110 (83/100)
Lake Geneva
Lowest ZIP: 53147 (33/100)

Top Contaminants

Stage 1 DBP Rule (72) Surface Water Treatment Rule (69) Lead and Copper Rule (59) Stage 2 DBP Rule (39) Gross Beta (25)

ZIP Codes in This District

65 ZIP codes tracked in Wisconsin's 1st District. Showing top 50 by safety score.

# ZIP Code City Safety Score Grade Violations
1 53110 Cudahy 83 B 0
2 53130 Hales Corners 83 B 2
3 53143 Kenosha 83 B 0
4 53172 South Milwaukee 83 B 1
5 53132 Franklin 82 B 1
6 53140 Kenosha 82 B 5
7 53144 Kenosha 82 B 5
8 53154 Oak Creek 81 B 4 (1 health)
9 53158 Pleasant Prairie 81 B 4 (1 health)
10 53182 Union Grove 81 B 4 (2 health)
11 53108 Caledonia 80 B 4 (1 health)
12 53126 Franksville 80 B 4 (1 health)
13 53142 Kenosha 80 B 5 (1 health)
14 53185 Waterford 80 B 5 (1 health)
15 53404 Racine 80 B 4 (1 health)
16 53405 Racine 80 B 4 (1 health)
17 53177 Sturtevant 79 B 9 (1 health)
18 53402 Racine 73 B 18 (1 health)
19 53403 Racine 69 C 32
20 53105 Burlington 67 C 46 (5 health)
21 53406 Racine 67 C 31 (1 health)
22 53546 Janesville 67 C 0
23 53563 Milton 67 C 0
24 53190 Whitewater 66 C 3
25 53525 Clinton 66 C 1
26 53545 Janesville 66 C 3
27 53121 Elkhorn 65 C 4 (1 health)
28 53114 Darien 50 D 40 (1 health)
29 53115 Delavan 50 D 69 (2 health)
30 53147 Lake Geneva 33 F 63 (5 health)
31 53101 Bassett N/A N/A N/A
32 53102 Benet Lake N/A N/A N/A
33 53104 Bristol N/A N/A 5 (1 health)
34 53109 Camp Lake N/A N/A N/A
35 53125 Fontana N/A N/A 18 (2 health)
36 53128 Genoa City N/A N/A 43 (4 health)
37 53129 Greendale N/A N/A N/A
38 53138 Honey Creek N/A N/A N/A
39 53139 Kansasville N/A N/A N/A
40 53141 Kenosha N/A N/A N/A
41 53148 Lyons N/A N/A N/A
42 53152 New Munster N/A N/A N/A
43 53157 Pell Lake N/A N/A N/A
44 53159 Powers Lake N/A N/A N/A
45 53167 Rochester N/A N/A 5 (1 health)
46 53168 Salem N/A N/A 10 (1 health)
47 53170 Silver Lake N/A N/A 0
48 53171 Somers N/A N/A N/A
49 53176 Springfield N/A N/A N/A
50 53179 Trevor N/A N/A 5 (1 health)

Overview

Wisconsin's 1st District encompasses 65 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is B (73/100).

530 EPA violations have been recorded across this district's water systems. 42 are health-based violations. About 88% of the 41 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 - 72 violations
  • Surface Water Treatment Rule - 69 violations
  • Lead and Copper Rule - 59 violations
  • Stage 2 DBP Rule - 39 violations
  • Gross Beta - 25 violations

Housing Context

Homes in this district were built on average around 1968 (~58 years old). Older homes may have lead pipes or solder - consider a water filter if your home predates 1986.

Lead Alert: 5 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 65 ZIP codes in Wisconsin's 1st District.

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How to cite this page

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

Page version: August 2026.

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