Missouri — 1st District
119th Congress · 60 ZIP codes · Avg score 53/100 · Grade D · Updated 2026-07-17
Data: EPA SDWIS / Census 119th Congress Last verified: 2026-07-17
ZipCheckup tracks water safety for 60 ZIP codes in Missouri's 1st District: the district earns a grade D (53/100). No EPA drinking-water violations are on record for the tracked systems.
ZIP Codes in This District
60 ZIP codes tracked in Missouri's 1st District. Showing top 50 by safety score.
| # | ZIP Code | City | Safety Score | Grade | Violations |
|---|---|---|---|---|---|
| 1 | 63103 | Saint Louis | 63 | C | 0 |
| 2 | 63104 | Saint Louis | 63 | C | 0 |
| 3 | 63106 | Saint Louis | 63 | C | 0 |
| 4 | 63110 | Saint Louis | 63 | C | 0 |
| 5 | 63113 | Saint Louis | 63 | C | 0 |
| 6 | 63115 | Saint Louis | 63 | C | 0 |
| 7 | 63140 | Saint Louis | 63 | C | 0 |
| 8 | 63157 | Saint Louis | 63 | C | 0 |
| 9 | 63166 | Saint Louis | 63 | C | 0 |
| 10 | 63177 | Saint Louis | 63 | C | 0 |
| 11 | 63034 | Florissant | 55 | C | 0 |
| 12 | 63101 | Saint Louis | 55 | C | 0 |
| 13 | 63102 | Saint Louis | 55 | C | 0 |
| 14 | 63105 | Saint Louis | 55 | C | 0 |
| 15 | 63107 | Saint Louis | 55 | C | 0 |
| 16 | 63108 | Saint Louis | 55 | C | 0 |
| 17 | 63109 | Saint Louis | 55 | C | 0 |
| 18 | 63112 | Saint Louis | 55 | C | 0 |
| 19 | 63118 | Saint Louis | 55 | C | 0 |
| 20 | 63120 | Saint Louis | 55 | C | 0 |
| 21 | 63134 | Saint Louis | 55 | C | 0 |
| 22 | 63139 | Saint Louis | 55 | C | 0 |
| 23 | 63147 | Saint Louis | 55 | C | 0 |
| 24 | 63150 | Saint Louis | 53 | D | 0 |
| 25 | 63155 | Saint Louis | 53 | D | 0 |
| 26 | 63156 | Saint Louis | 53 | D | 0 |
| 27 | 63158 | Saint Louis | 53 | D | 0 |
| 28 | 63160 | Saint Louis | 53 | D | 0 |
| 29 | 63163 | Saint Louis | 53 | D | 0 |
| 30 | 63164 | Saint Louis | 53 | D | 0 |
| 31 | 63169 | Saint Louis | 53 | D | 0 |
| 32 | 63171 | Saint Louis | 53 | D | 0 |
| 33 | 63178 | Saint Louis | 53 | D | 0 |
| 34 | 63179 | Saint Louis | 53 | D | 0 |
| 35 | 63180 | Saint Louis | 53 | D | 0 |
| 36 | 63182 | Saint Louis | 53 | D | 0 |
| 37 | 63188 | Saint Louis | 53 | D | 0 |
| 38 | 63195 | Saint Louis | 53 | D | 0 |
| 39 | 63197 | Saint Louis | 53 | D | 0 |
| 40 | 63199 | Saint Louis | 53 | D | 0 |
| 41 | 63033 | Florissant | 50 | D | 0 |
| 42 | 63043 | Maryland Heights | 50 | D | 0 |
| 43 | 63044 | Bridgeton | 50 | D | 0 |
| 44 | 63074 | Saint Ann | 50 | D | 0 |
| 45 | 63111 | Saint Louis | 50 | D | 0 |
| 46 | 63116 | Saint Louis | 50 | D | 0 |
| 47 | 63119 | Saint Louis | 50 | D | 0 |
| 48 | 63121 | Saint Louis | 50 | D | 0 |
| 49 | 63132 | Saint Louis | 50 | D | 0 |
| 50 | 63133 | Saint Louis | 50 | D | 0 |
Overview
Missouri's 1st District encompasses 60 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is D (53/100).
No EPA violations recorded across tracked ZIP codes in this district.
Housing Context
Homes in this district were built on average around 1940 (~86 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 60 ZIP codes in Missouri's 1st District.