Minnesota — 4th District
119th Congress · 16 ZIP codes · Avg score 53/100 · Grade D · Updated 2026-06-03
Data: EPA SDWIS / Census 119th Congress Last verified: 2026-06-03
Top Contaminants
ZIP Codes in This District
16 ZIP codes tracked in Minnesota's 4th District.
| # | ZIP Code | City | Safety Score | Grade | Violations |
|---|---|---|---|---|---|
| 1 | 55038 | Hugo | 70 | B | 0 |
| 2 | 55055 | Newport | 65 | C | 0 |
| 3 | 55042 | Lake Elmo | 63 | C | 1 |
| 4 | 55043 | Lakeland | 60 | C | 1 |
| 5 | 55075 | South Saint Paul | 53 | D | 0 |
| 6 | 55090 | Willernie | 53 | D | 1 |
| 7 | 55115 | Saint Paul | 53 | D | 0 |
| 8 | 55119 | Saint Paul | 53 | D | 0 |
| 9 | 55125 | Saint Paul | 53 | D | 0 |
| 10 | 55128 | Saint Paul | 53 | D | 0 |
| 11 | 55003 | Bayport | 51 | D | 3 |
| 12 | 55001 | Afton | 45 | D | 0 |
| 13 | 55107 | Saint Paul | 45 | D | 0 |
| 14 | 55110 | Saint Paul | 45 | D | 0 |
| 15 | 55129 | Saint Paul | 40 | D | 0 |
| 16 | 55146 | Saint Paul | 40 | D | 0 |
Overview
Minnesota's 4th District serving an estimated 76,459 residents encompasses 16 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is D (53/100).
6 EPA violations have been recorded across this district's water systems. None are health-based. About 25% of tracked ZIP codes have at least one violation.
Top Contaminants
The most frequently cited water quality issues in this district:
- Haloacetic Acids (HAA5) — 2 violations
- Total Trihalomethanes (TTHM) — 1 violation
- Contaminant 2959 — 1 violation
- Revised Total Coliform Rule — 1 violation
- Stage 2 DBP Rule — 1 violation
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 16 ZIP codes in Minnesota's 4th District.