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Which Missouri Areas Have the Most Lead Pipe Risk?
The 32 Missouri areas with the highest share of confirmed lead service lines, out of 32 areas with enough data for a reliable estimate. Ranked by percentage, not raw count, so a small town with a real lead problem isn't buried under bigger cities with more addresses overall.
| # | Area | Lead | % of addresses |
|---|---|---|---|
| 1 | St Louis | 14,137 | 4.5% |
| 2 | Webster Groves | 354 | 4.1% |
| 3 | St Joseph | 879 | 2.5% |
| 4 | Joplin | 455 | 1.5% |
| 5 | Mexico | 72 | 1.2% |
| 6 | Saint Joseph | 11 | 1.1% |
| 7 | Saint Ann | 55 | 0.9% |
| 8 | Jefferson City | 104 | 0.9% |
| 9 | Lawson | 8 | 0.7% |
| 10 | Saint Louis | 29 | 0.5% |
| 11 | Valley Park | 10 | 0.4% |
| 12 | Springfield | 327 | 0.4% |
| 13 | Bridgeton | 3 | 0.1% |
| 14 | Glencoe | 1 | 0.1% |
| 15 | Branson | 2 | 0.1% |
| 16 | Parkville | 2 | 0.0% |
| 17 | Florissant | 12 | 0.0% |
| 18 | Hazelwood | 1 | 0.0% |
| 19 | Warrensburg | 1 | 0.0% |
| 20 | Fenton | 1 | 0.0% |
| 21 | Ballwin | 3 | 0.0% |
| 22 | St Charles | 1 | 0.0% |
| 23 | Chesterfield | 0 | 0.0% |
| 24 | Cottleville | 0 | 0.0% |
| 25 | Eureka | 0 | 0.0% |
| 26 | Foristell | 0 | 0.0% |
| 27 | Grover | 0 | 0.0% |
| 28 | Kansas City | 0 | 0.0% |
| 29 | Maryland Hts | 0 | 0.0% |
| 30 | Ofallon | 0 | 0.0% |
| 31 | Riverside | 0 | 0.0% |
| 32 | St Peters | 0 | 0.0% |