Michigan — 11th District
119th Congress · 70 ZIP codes · Avg score 74/100 · Grade B · Updated 2026-06-03
Data: EPA SDWIS / Census 119th Congress Last verified: 2026-06-03
Top Contaminants
ZIP Codes in This District
70 ZIP codes tracked in Michigan's 11th District. Showing top 50 by safety score.
| # | ZIP Code | City | Safety Score | Grade | Violations |
|---|---|---|---|---|---|
| 1 | 48070 | Huntington Woods | 83 | B | 1 |
| 2 | 48165 | New Hudson | 83 | B | 1 |
| 3 | 48306 | Rochester | 83 | B | 0 |
| 4 | 48307 | Rochester | 83 | B | 0 |
| 5 | 48308 | Rochester | 83 | B | 0 |
| 6 | 48309 | Rochester | 83 | B | 0 |
| 7 | 48332 | Farmington | 83 | B | 0 |
| 8 | 48333 | Farmington | 83 | B | 0 |
| 9 | 48340 | Pontiac | 83 | B | 0 |
| 10 | 48341 | Pontiac | 83 | B | 0 |
| 11 | 48342 | Pontiac | 83 | B | 0 |
| 12 | 48343 | Pontiac | 83 | B | 0 |
| 13 | 48374 | Novi | 83 | B | 0 |
| 14 | 48375 | Novi | 83 | B | 0 |
| 15 | 48376 | Novi | 83 | B | 0 |
| 16 | 48377 | Novi | 83 | B | 0 |
| 17 | 48320 | Keego Harbor | 82 | B | 4 (1 health) |
| 18 | 48324 | West Bloomfield | 81 | B | 8 (2 health) |
| 19 | 48325 | West Bloomfield | 81 | B | 8 (2 health) |
| 20 | 48383 | White Lake | 81 | B | 5 |
| 21 | 48386 | White Lake | 81 | B | 5 |
| 22 | 48321 | Auburn Hills | 80 | B | 4 |
| 23 | 48326 | Auburn Hills | 80 | B | 4 |
| 24 | 48017 | Clawson | 79 | B | 3 |
| 25 | 48072 | Berkley | 79 | B | 0 |
| 26 | 48370 | Oxford | 79 | B | 5 |
| 27 | 48371 | Oxford | 79 | B | 5 |
| 28 | 48030 | Hazel Park | 78 | B | 0 |
| 29 | 48237 | Oak Park | 78 | B | 0 |
| 30 | 48331 | Farmington | 78 | B | 0 |
| 31 | 48335 | Farmington | 78 | B | 0 |
| 32 | 48336 | Farmington | 78 | B | 0 |
| 33 | 48322 | West Bloomfield | 76 | B | 8 (2 health) |
| 34 | 48323 | West Bloomfield | 76 | B | 8 (2 health) |
| 35 | 48350 | Davisburg | 75 | B | 0 |
| 36 | 48382 | Commerce Township | 75 | B | 0 |
| 37 | 48390 | Walled Lake | 75 | B | 1 |
| 38 | 48069 | Pleasant Ridge | 73 | B | 0 |
| 39 | 48327 | Waterford | 73 | B | 11 (4 health) |
| 40 | 48329 | Waterford | 73 | B | 11 (4 health) |
| 41 | 48334 | Farmington | 73 | B | 0 |
| 42 | 48356 | Highland | 73 | B | 4 |
| 43 | 48359 | Lake Orion | 73 | B | 21 |
| 44 | 48360 | Lake Orion | 73 | B | 21 |
| 45 | 48361 | Lake Orion | 73 | B | 21 |
| 46 | 48362 | Lake Orion | 73 | B | 21 |
| 47 | 48391 | Walled Lake | 72 | B | 1 |
| 48 | 48393 | Wixom | 72 | B | 1 |
| 49 | 48220 | Ferndale | 71 | B | 2 |
| 50 | 48357 | Highland | 70 | B | 4 |
Overview
Michigan's 11th District serving an estimated 2,496,734 residents encompasses 70 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is B (74/100).
503 EPA violations have been recorded across this district's water systems. 40 are health-based violations. About 57% of tracked ZIP codes have at least one violation.
Top Contaminants
The most frequently cited water quality issues in this district:
- Haloacetic Acids (HAA5) — 74 violations
- Total Trihalomethanes (TTHM) — 59 violations
- Surface Water Treatment Rule — 54 violations
- Consumer Confidence Report Rule — 33 violations
- Barium — 22 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.
Lead Alert: 1 ZIP code 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 70 ZIP codes in Michigan's 11th District.