Michigan — 7th District
119th Congress · 86 ZIP codes · Avg score 76/100 · Grade B · Updated 2026-07-19
Data: EPA SDWIS / Census 119th Congress Last verified: 2026-07-19
ZipCheckup tracks water safety for 86 ZIP codes in Michigan's 7th District: the district earns a grade B (76/100). 253 EPA violations on record, 28 health-based.
Top Contaminants
ZIP Codes in This District
86 ZIP codes tracked in Michigan's 7th District. Showing top 50 by safety score.
| # | ZIP Code | City | Safety Score | Grade | Violations |
|---|---|---|---|---|---|
| 1 | 48114 | Brighton | 83 | B | 0 |
| 2 | 48165 | New Hudson | 83 | B | 1 |
| 3 | 48353 | Hartland | 83 | B | 0 |
| 4 | 48429 | Durand | 83 | B | 0 |
| 5 | 48813 | Charlotte | 83 | B | 1 |
| 6 | 48872 | Perry | 83 | B | 1 |
| 7 | 49076 | Olivet | 83 | B | 0 |
| 8 | 49285 | Stockbridge | 83 | B | 0 |
| 9 | 48178 | South Lyon | 82 | B | 3 |
| 10 | 48805 | Okemos | 82 | B | 3 |
| 11 | 48819 | Dansville | 82 | B | 2 (1 health) |
| 12 | 48843 | Howell | 82 | B | 7 (1 health) |
| 13 | 48844 | Howell | 82 | B | 7 (1 health) |
| 14 | 48853 | Maple Rapids | 82 | B | 7 (1 health) |
| 15 | 48855 | Howell | 82 | B | 7 (1 health) |
| 16 | 48863 | Howell | 82 | B | 7 (1 health) |
| 17 | 48894 | Westphalia | 82 | B | 2 |
| 18 | 48901 | Lansing | 82 | B | 3 |
| 19 | 48908 | Lansing | 82 | B | 3 |
| 20 | 48909 | Lansing | 82 | B | 3 |
| 21 | 48913 | Lansing | 82 | B | 3 |
| 22 | 48915 | Lansing | 82 | B | 3 |
| 23 | 48916 | Lansing | 82 | B | 3 |
| 24 | 48918 | Lansing | 82 | B | 3 |
| 25 | 48919 | Lansing | 82 | B | 3 |
| 26 | 48921 | Lansing | 82 | B | 3 |
| 27 | 48922 | Lansing | 82 | B | 3 |
| 28 | 48924 | Lansing | 82 | B | 3 |
| 29 | 48929 | Lansing | 82 | B | 3 |
| 30 | 48930 | Lansing | 82 | B | 3 |
| 31 | 48933 | Lansing | 82 | B | 3 |
| 32 | 48937 | Lansing | 82 | B | 3 |
| 33 | 48950 | Lansing | 82 | B | 3 |
| 34 | 48951 | Lansing | 82 | B | 3 |
| 35 | 48956 | Lansing | 82 | B | 3 |
| 36 | 48980 | Lansing | 82 | B | 3 |
| 37 | 49264 | Onondaga | 82 | B | 2 (1 health) |
| 38 | 48835 | Fowler | 81 | B | 2 |
| 39 | 48842 | Holt | 81 | B | 2 |
| 40 | 48866 | Ovid | 81 | B | 2 |
| 41 | 48418 | Byron | 80 | B | 4 (3 health) |
| 42 | 48876 | Potterville | 80 | B | 3 |
| 43 | 48892 | Webberville | 80 | B | 6 |
| 44 | 49251 | Leslie | 80 | B | 5 (1 health) |
| 45 | 48380 | Milford | 79 | B | 6 |
| 46 | 48381 | Milford | 79 | B | 6 |
| 47 | 49021 | Bellevue | 79 | B | 1 |
| 48 | 48824 | East Lansing | 78 | B | 11 (2 health) |
| 49 | 48825 | East Lansing | 78 | B | 11 (2 health) |
| 50 | 48836 | Fowlerville | 78 | B | 5 |
Overview
Michigan's 7th District encompasses 86 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is B (76/100).
253 EPA violations have been recorded across this district's water systems. 28 are health-based violations. About 72% of tracked ZIP codes have at least one violation.
Top Contaminants
The most frequently cited water quality issues in this district:
- Consumer Confidence Report Rule - 77 violations
- Surface Water Treatment Rule - 54 violations
- Stage 2 DBP Rule - 30 violations
- Stage 1 DBP Rule - 25 violations
- Revised Total Coliform Rule - 15 violations
Housing Context
Homes in this district were built on average around 1974 (~52 years old). Older homes may have lead pipes or solder - consider a water filter if your home predates 1986.
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 86 ZIP codes in Michigan's 7th District.