CONGRESSIONAL DISTRICT MO

Missouri — 4th District

119th Congress · 204 ZIP codes · Avg score 69/100 · Grade C · Updated 2026-06-03

Data: EPA SDWIS / Census 119th Congress Last verified: 2026-06-03

C
District Grade
69
Avg Safety Score
204
ZIP Codes
1256
Total Violations
174
Health Violations
236
Water Systems
Alma
Best ZIP: 64001 (83/100)
Deepwater
Lowest ZIP: 64740 (23/100)

Top Contaminants

Consumer Confidence Report Rule (273) Haloacetic Acids (HAA5) (174) Surface Water Treatment Rule (157) Total Trihalomethanes (TTHM) (157) Fecal Coliform (81)

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 64061 Kingsville 83 B 0
6 64076 Odessa 83 B 0
7 64733 Chilhowee 83 B 0
8 64784 Sheldon 83 B 1
9 64788 Urich 83 B 0
10 65010 Ashland 83 B 0
11 65011 Barnett 83 B 0
12 65037 Gravois Mills 83 B 0
13 65240 Centralia 83 B 0
14 65323 Calhoun 83 B 0
15 65325 Cole Camp 83 B 0
16 65347 Nelson 83 B 1
17 65350 Smithton 83 B 0
18 65473 Fort Leonard Wood 83 B 0
19 65567 Stoutland 83 B 1
20 65632 Conway 83 B 0
21 65635 Dadeville 83 B 0
22 65649 Fair Play 83 B 0
23 65650 Flemington 83 B 1
24 65661 Greenfield 83 B 0
25 65668 Hermitage 83 B 0
26 65685 Louisburg 83 B 0
27 65710 Morrisville 83 B 0
28 64096 Waverly 82 B 4 (1 health)
29 64724 Appleton City 82 B 2 (1 health)
30 64728 Bronaugh 82 B 2
31 64738 Collins 82 B 2
32 64744 El Dorado Springs 82 B 1 (1 health)
33 64748 Golden City 82 B 2
34 64769 Mindenmines 82 B 2
35 65205 Columbia 82 B 2
36 65211 Columbia 82 B 2
37 65212 Columbia 82 B 2
38 65215 Columbia 82 B 2
39 65216 Columbia 82 B 2
40 65217 Columbia 82 B 2
41 65218 Columbia 82 B 2
42 65248 Fayette 82 B 2
43 65254 Glasgow 82 B 5 (1 health)
44 65299 Columbia 82 B 2
45 65302 Sedalia 82 B 2
46 65333 Houstonia 82 B 2
47 65349 Slater 82 B 5 (1 health)
48 65355 Warsaw 82 B 2
49 65603 Arcola 82 B 13 (1 health)
50 65622 Buffalo 82 B 2

Overview

Missouri's 4th District serving an estimated 5,690,073 residents encompasses 204 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is C (69/100).

1256 EPA violations have been recorded across this district's water systems. 174 are health-based violations. About 63% 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 — 273 violations
  • Haloacetic Acids (HAA5) — 174 violations
  • Surface Water Treatment Rule — 157 violations
  • Total Trihalomethanes (TTHM) — 157 violations
  • Fecal Coliform — 81 violations

Housing Context

Homes in this district were built on average around 1977 (~49 years old). Older homes may have lead pipes or solder — consider a water filter if your home predates 1986.

Lead Alert: 2 ZIP codes in this district exceed the EPA action level for lead. Consider using a certified lead-removal filter.

Data Sources

Updated daily. Data covers 204 ZIP codes in Missouri's 4th District.

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