Michigan — 11th District
119th Congress · 53 ZIP codes · Avg score 78/100 · Grade B · Updated 2026-07-17
Data: EPA SDWIS / Census 119th Congress Last verified: 2026-07-17
ZipCheckup tracks water safety for 53 ZIP codes in Michigan's 11th District: the district earns a grade B (78/100). 111 EPA violations on record, 12 health-based.
Top Contaminants
ZIP Codes in This District
53 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 | 48332 | Farmington | 83 | B | 0 |
| 3 | 48333 | Farmington | 83 | B | 0 |
| 4 | 48340 | Pontiac | 83 | B | 0 |
| 5 | 48341 | Pontiac | 83 | B | 0 |
| 6 | 48342 | Pontiac | 83 | B | 0 |
| 7 | 48343 | Pontiac | 83 | B | 0 |
| 8 | 48007 | Troy | 82 | B | 2 |
| 9 | 48068 | Royal Oak | 82 | B | 3 |
| 10 | 48073 | Royal Oak | 82 | B | 3 |
| 11 | 48084 | Troy | 82 | B | 2 |
| 12 | 48098 | Troy | 82 | B | 2 |
| 13 | 48099 | Troy | 82 | B | 2 |
| 14 | 48301 | Bloomfield Hills | 82 | B | 2 |
| 15 | 48302 | Bloomfield Hills | 82 | B | 2 |
| 16 | 48303 | Bloomfield Hills | 82 | B | 2 |
| 17 | 48320 | Keego Harbor | 82 | B | 4 (1 health) |
| 18 | 48324 | West Bloomfield | 82 | B | 2 (1 health) |
| 19 | 48325 | West Bloomfield | 82 | B | 2 (1 health) |
| 20 | 48327 | Waterford | 82 | B | 4 (1 health) |
| 21 | 48329 | Waterford | 82 | B | 4 (1 health) |
| 22 | 48347 | Clarkston | 81 | B | 1 |
| 23 | 48321 | Auburn Hills | 80 | B | 4 |
| 24 | 48326 | Auburn Hills | 80 | B | 4 |
| 25 | 48383 | White Lake | 80 | B | 7 |
| 26 | 48386 | White Lake | 80 | B | 7 |
| 27 | 48017 | Clawson | 79 | B | 3 |
| 28 | 48037 | Southfield | 79 | B | 5 |
| 29 | 48072 | Berkley | 79 | B | 0 |
| 30 | 48030 | Hazel Park | 78 | B | 0 |
| 31 | 48237 | Oak Park | 78 | B | 0 |
| 32 | 48331 | Farmington | 78 | B | 0 |
| 33 | 48335 | Farmington | 78 | B | 0 |
| 34 | 48336 | Farmington | 78 | B | 0 |
| 35 | 48012 | Birmingham | 77 | B | 10 (2 health) |
| 36 | 48067 | Royal Oak | 77 | B | 3 |
| 37 | 48083 | Troy | 77 | B | 2 |
| 38 | 48085 | Troy | 77 | B | 2 |
| 39 | 48304 | Bloomfield Hills | 77 | B | 2 |
| 40 | 48322 | West Bloomfield | 77 | B | 2 (1 health) |
| 41 | 48323 | West Bloomfield | 77 | B | 2 (1 health) |
| 42 | 48328 | Waterford | 77 | B | 4 (1 health) |
| 43 | 48382 | Commerce Township | 75 | B | 0 |
| 44 | 48390 | Walled Lake | 75 | B | 1 |
| 45 | 48009 | Birmingham | 73 | B | 10 (2 health) |
| 46 | 48069 | Pleasant Ridge | 73 | B | 0 |
| 47 | 48334 | Farmington | 73 | B | 0 |
| 48 | 48391 | Walled Lake | 72 | B | 1 |
| 49 | 48393 | Wixom | 72 | B | 1 |
| 50 | 48220 | Ferndale | 71 | B | 2 |
Overview
Michigan's 11th District encompasses 53 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is B (78/100).
111 EPA violations have been recorded across this district's water systems. 12 are health-based violations. About 68% of tracked ZIP codes have at least one violation.
Top Contaminants
The most frequently cited water quality issues in this district:
- Surface Water Treatment Rule - 35 violations
- Consumer Confidence Report Rule - 16 violations
- Stage 1 DBP Rule - 13 violations
- Lead and Copper Rule - 9 violations
- Total Trihalomethanes (TTHM) - 8 violations
Housing Context
Homes in this district were built on average around 1967 (~59 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 53 ZIP codes in Michigan's 11th District.