CONGRESSIONAL DISTRICT WI

Wisconsin - 5th District

119th Congress · 71 ZIP codes · Avg score 59/100 · Grade C · Updated N/A

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

ZipCheckup's versioned Home Safety Profile covers 71 ZIP codes in Wisconsin's 5th District: the measured model 4.0.0 average is Grade C (59/100). 1,142 EPA violations on record, 557 health-based.

C
District Grade
59
Avg Safety Score
71
ZIP Codes
1142
Total Violations
557
Health Violations
69
Water Systems
Best ZIP: 53220 (83/100)
Lowest ZIP: 53188 (33/100)

Top Contaminants

Gross Alpha (269) Gross Beta (255) Lead and Copper Rule (222) Stage 1 DBP Rule (52) Surface Water Treatment Rule (47)

ZIP Codes in This District

71 ZIP codes tracked in Wisconsin's 5th District. Showing top 50 by safety score.

# ZIP Code City Safety Score Grade Violations
1 53220 Milwaukee 83 B 2
2 53227 Milwaukee 83 B 0
3 53228 Milwaukee 83 B 2
4 53120 East Troy 67 C 0
5 53094 Watertown 66 C 3
6 53551 Lake Mills 66 C 2 (1 health)
7 53594 Waterloo 66 C 1
8 53122 Elm Grove 65 C 6 (1 health)
9 53149 Mukwonago 65 C 4
10 53538 Fort Atkinson 65 C 10 (8 health)
11 53005 Brookfield 64 C 8 (1 health)
12 53151 New Berlin 64 C 2
13 53051 Menomonee Falls 62 C 10 (2 health)
14 53032 Horicon 61 C 6 (5 health)
15 53045 Brookfield 61 C 22 (11 health)
16 53549 Jefferson 61 C 19 (8 health)
17 53066 Oconomowoc 60 C 10 (2 health)
18 53150 Muskego 60 C 7 (1 health)
19 53089 Sussex 50 D 42 (22 health)
20 53146 New Berlin 50 D 76 (60 health)
21 53189 Waukesha 50 D 79 (60 health)
22 53156 Palmyra 49 D 3
23 53029 Hartland 33 F 50 (25 health)
24 53072 Pewaukee 33 F 142 (95 health)
25 53186 Waukesha 33 F 97 (71 health)
26 53188 Waukesha 33 F 133 (94 health)
27 53002 Allenton N/A N/A 0
28 53003 Ashippun N/A N/A N/A
29 53007 Butler N/A N/A 2
30 53008 Brookfield N/A N/A N/A
31 53016 Clyman N/A N/A N/A
32 53017 Colgate N/A N/A 6 (1 health)
33 53018 Delafield N/A N/A 26 (6 health)
34 53022 Germantown N/A N/A 4 (1 health)
35 53027 Hartford N/A N/A 2 (1 health)
36 53033 Hubertus N/A N/A N/A
37 53034 Hustisford N/A N/A 0
38 53035 Iron Ridge N/A N/A 0
39 53036 Ixonia N/A N/A 0
40 53037 Jackson N/A N/A 5 (2 health)
41 53038 Johnson Creek N/A N/A 12 (1 health)
42 53039 Juneau N/A N/A 5 (4 health)
43 53040 Kewaskum N/A N/A 67
44 53046 Lannon N/A N/A 0
45 53047 Lebanon N/A N/A N/A
46 53052 Menomonee Falls N/A N/A N/A
47 53056 Merton N/A N/A N/A
48 53058 Nashotah N/A N/A 23 (4 health)
49 53059 Neosho N/A N/A 0
50 53060 Newburg N/A N/A N/A

Overview

Wisconsin's 5th District encompasses 71 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is C (59/100).

1142 EPA violations have been recorded across this district's water systems. 557 are health-based violations. About 85% of the 55 ZIP records with a reported violation count have at least one violation.

Top Contaminants

The most frequently cited water quality issues in this district:

  • Gross Alpha - 269 violations
  • Gross Beta - 255 violations
  • Lead and Copper Rule - 222 violations
  • Stage 1 DBP Rule - 52 violations
  • Surface Water Treatment Rule - 47 violations

Housing Context

Homes in this district were built on average around 1977 (~49 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 71 ZIP codes in Wisconsin's 5th District.

← Back to Wisconsin overview

How to cite this page

APA ZipCheckup. (2026). Wisconsin 5th District: 1142 EPA Violations - C. https://zipcheckup.com/congressional/wi-5/
BibTeX
@misc{zipcheckup-congressional-wi-5,
  author = {{ZipCheckup}},
  title  = {{Wisconsin 5th District: 1142 EPA Violations - C}},
  year   = {2026},
  url    = {https://zipcheckup.com/congressional/wi-5/}
}

Page version: August 2026.

Violations found - check filter options Free tool - no phone call required.