Missouri — 4th District
119th Congress · 182 ZIP codes · Avg score 73/100 · Grade B · Updated 2026-07-17
Data: EPA SDWIS / Census 119th Congress Last verified: 2026-07-17
ZipCheckup tracks water safety for 182 ZIP codes in Missouri's 4th District: the district earns a grade B (73/100). 410 EPA violations on record, 60 health-based.
Top Contaminants
ZIP Codes in This District
100 ZIP codes tracked in Missouri's 4th District. Showing top 50 by safety score.
| # | ZIP Code | City | Safety Score | Grade | Violations |
|---|---|---|---|---|---|
| 1 | 64001 | Alma | 83 | B | 0 |
| 2 | 64011 | Bates City | 83 | B | 0 |
| 3 | 64019 | Centerview | 83 | B | 0 |
| 4 | 64037 | Higginsville | 83 | B | 0 |
| 5 | 64040 | Holden | 83 | B | 1 |
| 6 | 64061 | Kingsville | 83 | B | 0 |
| 7 | 64076 | Odessa | 83 | B | 0 |
| 8 | 64733 | Chilhowee | 83 | B | 0 |
| 9 | 64738 | Collins | 83 | B | 1 |
| 10 | 64741 | Deerfield | 83 | B | 1 |
| 11 | 64748 | Golden City | 83 | B | 1 |
| 12 | 64769 | Mindenmines | 83 | B | 1 |
| 13 | 64784 | Sheldon | 83 | B | 1 |
| 14 | 64788 | Urich | 83 | B | 0 |
| 15 | 65011 | Barnett | 83 | B | 0 |
| 16 | 65037 | Gravois Mills | 83 | B | 0 |
| 17 | 65205 | Columbia | 83 | B | 1 |
| 18 | 65211 | Columbia | 83 | B | 1 |
| 19 | 65215 | Columbia | 83 | B | 1 |
| 20 | 65216 | Columbia | 83 | B | 1 |
| 21 | 65217 | Columbia | 83 | B | 1 |
| 22 | 65218 | Columbia | 83 | B | 1 |
| 23 | 65240 | Centralia | 83 | B | 0 |
| 24 | 65248 | Fayette | 83 | B | 1 |
| 25 | 65323 | Calhoun | 83 | B | 0 |
| 26 | 65324 | Climax Springs | 83 | B | 0 |
| 27 | 65325 | Cole Camp | 83 | B | 0 |
| 28 | 65344 | Miami | 83 | B | 1 |
| 29 | 65347 | Nelson | 83 | B | 1 |
| 30 | 65350 | Smithton | 83 | B | 0 |
| 31 | 65355 | Warsaw | 83 | B | 1 |
| 32 | 65360 | Windsor | 83 | B | 0 |
| 33 | 65473 | Fort Leonard Wood | 83 | B | 0 |
| 34 | 65567 | Stoutland | 83 | B | 1 |
| 35 | 65632 | Conway | 83 | B | 0 |
| 36 | 65635 | Dadeville | 83 | B | 0 |
| 37 | 65649 | Fair Play | 83 | B | 0 |
| 38 | 65650 | Flemington | 83 | B | 1 |
| 39 | 65661 | Greenfield | 83 | B | 0 |
| 40 | 65662 | Grovespring | 83 | B | 0 |
| 41 | 65668 | Hermitage | 83 | B | 0 |
| 42 | 65685 | Louisburg | 83 | B | 0 |
| 43 | 65710 | Morrisville | 83 | B | 0 |
| 44 | 65767 | Urbana | 83 | B | 1 |
| 45 | 64096 | Waverly | 82 | B | 2 (1 health) |
| 46 | 64724 | Appleton City | 82 | B | 2 (1 health) |
| 47 | 64728 | Bronaugh | 82 | B | 2 |
| 48 | 64744 | El Dorado Springs | 82 | B | 1 (1 health) |
| 49 | 64745 | Foster | 82 | B | 2 (1 health) |
| 50 | 64761 | Leeton | 82 | B | 2 |
Overview
Missouri's 4th District encompasses 182 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is B (73/100).
410 EPA violations have been recorded across this district's water systems. 60 are health-based violations. About 60% of tracked ZIP codes have at least one violation.
Top Contaminants
The most frequently cited water quality issues in this district:
- Consumer Confidence Report Rule - 106 violations
- Surface Water Treatment Rule - 66 violations
- Total Trihalomethanes (TTHM) - 41 violations
- Lead and Copper Rule - 34 violations
- Stage 1 DBP Rule - 33 violations
Housing Context
Homes in this district were built on average around 1978 (~48 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 182 ZIP codes in Missouri's 4th District.