Wisconsin — 6th District
119th Congress · 116 ZIP codes · Avg score 65/100 · Grade C · Updated 2026-07-19
Data: EPA SDWIS / Census 119th Congress Last verified: 2026-07-19
ZipCheckup tracks water safety for 116 ZIP codes in Wisconsin's 6th District: the district earns a grade C (65/100). 351 EPA violations on record, 85 health-based.
Top Contaminants
ZIP Codes in This District
100 ZIP codes tracked in Wisconsin's 6th District. Showing top 50 by safety score.
| # | ZIP Code | City | Safety Score | Grade | Violations |
|---|---|---|---|---|---|
| 1 | 53020 | Elkhart Lake | 83 | B | 0 |
| 2 | 53021 | Fredonia | 83 | B | 1 |
| 3 | 53044 | Kohler | 83 | B | 0 |
| 4 | 53075 | Random Lake | 83 | B | 0 |
| 5 | 53093 | Waldo | 83 | B | 0 |
| 6 | 53923 | Cambria | 83 | B | 1 |
| 7 | 53964 | Westfield | 83 | B | 0 |
| 8 | 53969 | Wyocena | 83 | B | 0 |
| 9 | 54228 | Mishicot | 83 | B | 0 |
| 10 | 54982 | Wautoma | 83 | B | 1 |
| 11 | 54984 | Wild Rose | 83 | B | 0 |
| 12 | 53001 | Adell | 82 | B | 1 (1 health) |
| 13 | 53004 | Belgium | 82 | B | 2 (1 health) |
| 14 | 53015 | Cleveland | 82 | B | 2 (1 health) |
| 15 | 53023 | Glenbeulah | 82 | B | 3 (1 health) |
| 16 | 53042 | Kiel | 82 | B | 2 |
| 17 | 53911 | Arlington | 82 | B | 3 (1 health) |
| 18 | 53928 | Doylestown | 82 | B | 3 |
| 19 | 53935 | Friesland | 82 | B | 3 |
| 20 | 54230 | Reedsville | 82 | B | 2 (1 health) |
| 21 | 54247 | Whitelaw | 82 | B | 6 (1 health) |
| 22 | 54943 | Hancock | 82 | B | 7 (1 health) |
| 23 | 54966 | Plainfield | 82 | B | 2 |
| 24 | 53085 | Sheboygan Falls | 81 | B | 8 (1 health) |
| 25 | 54930 | Coloma | 81 | B | 1 |
| 26 | 54970 | Redgranite | 81 | B | 2 |
| 27 | 53061 | New Holstein | 80 | B | 3 |
| 28 | 53954 | Pardeeville | 80 | B | 7 |
| 29 | 53082 | Sheboygan | 79 | B | 4 (1 health) |
| 30 | 53083 | Sheboygan | 79 | B | 4 (1 health) |
| 31 | 53960 | Rio | 79 | B | 3 (1 health) |
| 32 | 54227 | Maribel | 79 | B | 2 |
| 33 | 54985 | Winnebago | 79 | B | 1 |
| 34 | 53074 | Port Washington | 78 | B | 4 |
| 35 | 54957 | Neenah | 78 | B | 4 (2 health) |
| 36 | 53932 | Fall River | 77 | B | 5 (2 health) |
| 37 | 54245 | Valders | 77 | B | 0 |
| 38 | 54963 | Omro | 77 | B | 2 |
| 39 | 53073 | Plymouth | 76 | B | 7 (1 health) |
| 40 | 53949 | Montello | 76 | B | 5 (2 health) |
| 41 | 53081 | Sheboygan | 74 | B | 4 (1 health) |
| 42 | 53097 | Mequon | 74 | B | 5 (1 health) |
| 43 | 54221 | Manitowoc | 74 | B | 0 |
| 44 | 54956 | Neenah | 74 | B | 4 (2 health) |
| 45 | 53013 | Cedar Grove | 73 | B | 0 |
| 46 | 53012 | Cedarburg | 72 | B | 0 |
| 47 | 53024 | Grafton | 71 | B | 8 |
| 48 | 54220 | Manitowoc | 71 | B | 0 |
| 49 | 53011 | Cascade | 70 | B | 0 |
| 50 | 53065 | Oakfield | 70 | B | 0 |
Overview
Wisconsin's 6th District encompasses 116 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is C (65/100).
351 EPA violations have been recorded across this district's water systems. 85 are health-based violations. About 58% of tracked ZIP codes have at least one violation.
Top Contaminants
The most frequently cited water quality issues in this district:
- Stage 2 DBP Rule - 77 violations
- Lead and Copper Rule - 64 violations
- Consumer Confidence Report Rule - 57 violations
- Surface Water Treatment Rule - 28 violations
- Stage 1 DBP Rule - 26 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: 3 ZIP codes in this district exceed the EPA action level for lead. Consider using a certified lead-removal filter.
Data Sources
- Water quality violations: EPA Safe Drinking Water Information System (SDWIS)
- Congressional district boundaries: U.S. Census Bureau, 119th Congress
- Housing age: U.S. Census Bureau American Community Survey
Updated daily. Data covers 116 ZIP codes in Wisconsin's 6th District.