Missouri — 2nd District
119th Congress · 62 ZIP codes · Avg score 60/100 · Grade C · Updated 2026-07-17
Data: EPA SDWIS / Census 119th Congress Last verified: 2026-07-17
ZipCheckup tracks water safety for 62 ZIP codes in Missouri's 2nd District: the district earns a grade C (60/100). 157 EPA violations on record, 56 health-based.
Top Contaminants
ZIP Codes in This District
62 ZIP codes tracked in Missouri's 2nd District. Showing top 50 by safety score.
| # | ZIP Code | City | Safety Score | Grade | Violations |
|---|---|---|---|---|---|
| 1 | 63037 | Gerald | 83 | B | 1 |
| 2 | 63380 | Truesdale | 83 | B | 0 |
| 3 | 63055 | Labadie | 82 | B | 2 |
| 4 | 63013 | Beaufort | 81 | B | 8 (2 health) |
| 5 | 63056 | Leslie | 81 | B | 4 |
| 6 | 63099 | Fenton | 81 | B | 3 (2 health) |
| 7 | 63348 | Foristell | 79 | B | 3 |
| 8 | 63014 | Berger | 78 | B | 1 |
| 9 | 63079 | Stanton | 78 | B | 1 |
| 10 | 63068 | New Haven | 77 | B | 1 |
| 11 | 63383 | Warrenton | 77 | B | 8 (1 health) |
| 12 | 63385 | Wentzville | 77 | B | 2 |
| 13 | 63072 | Robertsville | 76 | B | 1 |
| 14 | 63368 | O Fallon | 74 | B | 6 |
| 15 | 63089 | Villa Ridge | 72 | B | 3 |
| 16 | 63090 | Washington | 72 | B | 7 (1 health) |
| 17 | 63390 | Wright City | 72 | B | 10 |
| 18 | 63084 | Union | 71 | B | 15 (2 health) |
| 19 | 63357 | Marthasville | 70 | B | 3 |
| 20 | 63006 | Chesterfield | 66 | C | 8 (8 health) |
| 21 | 63080 | Sullivan | 65 | C | 7 |
| 22 | 63015 | Catawissa | 63 | C | 0 |
| 23 | 63032 | Florissant | 63 | C | 0 |
| 24 | 63040 | Grover | 63 | C | 0 |
| 25 | 63145 | Saint Louis | 63 | C | 0 |
| 26 | 63332 | Augusta | 63 | C | 0 |
| 27 | 63342 | Dutzow | 63 | C | 0 |
| 28 | 63378 | Treloar | 63 | C | 0 |
| 29 | 63025 | Eureka | 62 | C | 3 |
| 30 | 63026 | Fenton | 61 | C | 3 (2 health) |
| 31 | 63073 | Saint Albans | 60 | C | 0 |
| 32 | 63017 | Chesterfield | 56 | C | 8 (8 health) |
| 33 | 63039 | Gray Summit | 55 | C | 0 |
| 34 | 63060 | Lonedell | 55 | C | 0 |
| 35 | 63069 | Pacific | 55 | C | 3 |
| 36 | 63117 | Saint Louis | 55 | C | 0 |
| 37 | 63041 | Grubville | 53 | D | 0 |
| 38 | 63061 | Luebbering | 53 | D | 0 |
| 39 | 63151 | Saint Louis | 53 | D | 0 |
| 40 | 63167 | Saint Louis | 53 | D | 0 |
| 41 | 63341 | Defiance | 53 | D | 38 (22 health) |
| 42 | 63365 | New Melle | 53 | D | 0 |
| 43 | 63005 | Chesterfield | 51 | D | 8 (8 health) |
| 44 | 63077 | Saint Clair | 50 | D | 0 |
| 45 | 63126 | Saint Louis | 50 | D | 0 |
| 46 | 63127 | Saint Louis | 50 | D | 0 |
| 47 | 63131 | Saint Louis | 50 | D | 0 |
| 48 | 63141 | Saint Louis | 50 | D | 0 |
| 49 | 63143 | Saint Louis | 50 | D | 0 |
| 50 | 63146 | Saint Louis | 50 | D | 0 |
Overview
Missouri's 2nd District encompasses 62 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is C (60/100).
157 EPA violations have been recorded across this district's water systems. 56 are health-based violations. About 42% of tracked ZIP codes have at least one violation.
Top Contaminants
The most frequently cited water quality issues in this district:
- Lead and Copper Rule - 22 violations
- Surface Water Treatment Rule - 21 violations
- Consumer Confidence Report Rule - 20 violations
- Gross Beta - 19 violations
- Haloacetic Acids (HAA5) - 18 violations
Housing Context
Homes in this district were built on average around 1981 (~45 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 62 ZIP codes in Missouri's 2nd District.