CONGRESSIONAL DISTRICT OH

Ohio — 3rd District

119th Congress · 78 ZIP codes · Avg score 59/100 · Grade C · Updated 2026-06-03

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

C
District Grade
59
Avg Safety Score
78
ZIP Codes
663
Total Violations
239
Health Violations
24
Water Systems
Best ZIP: 43004 (70/100)
Lowest ZIP: 43740 (40/100)

Top Contaminants

Surface Water Treatment Rule (235) Consumer Confidence Report Rule (188) Total Coliform (138) Stage 2 DBP Rule (95) Haloacetic Acids (HAA5) (6)

ZIP Codes in This District

78 ZIP codes tracked in Ohio's 3rd District. Showing top 50 by safety score.

# ZIP Code City Safety Score Grade Violations
1 43004 Blacklick 70 B 1
2 43016 Dublin 70 B 0
3 43069 Reynoldsburg 66 C 0
4 43137 Lockbourne 66 C 2 (1 health)
5 43195 Groveport 66 C 0
6 43198 Groveport 66 C 0
7 43199 Groveport 66 C 0
8 43017 Dublin 65 C 0
9 43062 Pataskala 65 C 0
10 43082 Westerville 65 C 2 (2 health)
11 43125 Groveport 65 C 0
12 43201 Columbus 65 C 14 (5 health)
13 43205 Columbus 65 C 14 (5 health)
14 43206 Columbus 65 C 14 (5 health)
15 43211 Columbus 65 C 14 (5 health)
16 43217 Columbus 65 C 14 (5 health)
17 43218 Columbus 65 C 14 (5 health)
18 43222 Columbus 65 C 14 (5 health)
19 43231 Columbus 65 C 14 (5 health)
20 43739 Glenford 65 C 4
21 43194 Lockbourne 61 C 2 (1 health)
22 43068 Reynoldsburg 60 C 0
23 43086 Westerville 60 C 2 (2 health)
24 43202 Columbus 60 C 14 (5 health)
25 43203 Columbus 60 C 14 (5 health)
26 43204 Columbus 60 C 14 (5 health)
27 43207 Columbus 60 C 14 (5 health)
28 43210 Columbus 60 C 14 (5 health)
29 43212 Columbus 60 C 14 (5 health)
30 43215 Columbus 60 C 14 (5 health)
31 43216 Columbus 60 C 14 (5 health)
32 43219 Columbus 60 C 14 (5 health)
33 43220 Columbus 60 C 14 (5 health)
34 43221 Columbus 60 C 14 (5 health)
35 43224 Columbus 60 C 14 (5 health)
36 43226 Columbus 60 C 14 (5 health)
37 43228 Columbus 60 C 14 (5 health)
38 43229 Columbus 60 C 14 (5 health)
39 43234 Columbus 60 C 14 (5 health)
40 43235 Columbus 60 C 14 (5 health)
41 43236 Columbus 60 C 14 (5 health)
42 43240 Columbus 60 C 14 (5 health)
43 43251 Columbus 60 C 14 (5 health)
44 43260 Columbus 60 C 14 (5 health)
45 43266 Columbus 60 C 14 (5 health)
46 43268 Columbus 60 C 14 (5 health)
47 43270 Columbus 60 C 14 (5 health)
48 43271 Columbus 60 C 14 (5 health)
49 43272 Columbus 60 C 14 (5 health)
50 43279 Columbus 60 C 14 (5 health)

Overview

Ohio's 3rd District serving an estimated 65,900,038 residents encompasses 78 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is C (59/100).

663 EPA violations have been recorded across this district's water systems. 239 are health-based violations. About 69% of tracked ZIP codes have at least one violation.

Top Contaminants

The most frequently cited water quality issues in this district:

  • Surface Water Treatment Rule — 235 violations
  • Consumer Confidence Report Rule — 188 violations
  • Total Coliform — 138 violations
  • Stage 2 DBP Rule — 95 violations
  • Haloacetic Acids (HAA5) — 6 violations

Housing Context

Homes in this district were built on average around 1970 (~56 years old). Older homes may have lead pipes or solder — consider a water filter if your home predates 1986.

Data Sources

Updated daily. Data covers 78 ZIP codes in Ohio's 3rd District.

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