Clasificaciones 2026

Códigos ZIP con más infracciones de la EPA en Ohio — 2026

Última actualización: 4 de junio de 2026

762 códigos postales clasificados por Violations N.º 1: código postal 45068 (Waynesville, OH) — 70

Out of 762 ZIP codes with data in Ohio, these are the highest-ranked areas for violations. See also: National ZIP Codes with Most EPA Water Violations | All Ohio Rankings

Statistic Value
ZIP codes ranked 762
Highest value 70
Median value 3
State Ohio

Top 100 Worst ZIP Codes

Rank ZIP Code City State Violations Safety Score
1 45068 Waynesville OH 70 56/100
2 43524 Hamler OH 28 58/100
3 43764 New Lexington OH 22 45/100
4 43512 Defiance OH 18 52/100
5 43791 White Cottage OH 17 32/100
6 43943 Rayland OH 17 54/100
7 45644 Kingston OH 15 59/100
8 44084 Rock Creek OH 14 79/100
9 44720 North Canton OH 13 46/100
10 44807 Attica OH 13 62/100
11 45801 Lima OH 13 63/100
12 45802 Lima OH 13 64/100
13 45804 Lima OH 13 63/100
14 45805 Lima OH 13 63/100
15 45806 Lima OH 13 63/100
16 45807 Lima OH 13 63/100
17 43527 Holgate OH 12 63/100
18 43567 Wauseon OH 12 65/100
19 43952 Steubenville OH 12 60/100
20 43953 Steubenville OH 12 65/100
21 43971 Yorkville OH 12 64/100
22 44491 West Farmington OH 12 78/100
23 43138 Logan OH 11 71/100
24 43153 South Solon OH 11 49/100
25 44050 Lagrange OH 11 73/100
26 45347 New Paris OH 11 57/100
27 45764 Nelsonville OH 11 53/100
28 43344 Richwood OH 10 64/100
29 43973 Freeport OH 10 58/100
30 43985 Holloway OH 10 61/100
31 44629 Gnadenhutten OH 10 56/100
32 45369 South Vienna OH 10 48/100
33 45769 Pomeroy OH 10 69/100
34 45891 Van Wert OH 10 46/100
35 43128 Jeffersonville OH 9 69/100
36 43136 Lithopolis OH 9 65/100
37 43164 Williamsport OH 9 81/100
38 43431 Gibsonburg OH 9 79/100
39 43724 Caldwell OH 9 57/100
40 43938 Mingo Junction OH 9 58/100
41 44681 Sugarcreek OH 9 59/100
42 44690 Winesburg OH 9 65/100
43 45690 Waverly OH 9 47/100
44 45833 Delphos OH 9 54/100
45 43157 Thurston OH 8 61/100
46 43347 Rushsylvania OH 8 69/100
47 43502 Archbold OH 8 67/100
48 43901 Adena OH 8 50/100
49 44230 Doylestown OH 8 66/100
50 44638 Lakeville OH 8 63/100
51 44689 Wilmot OH 8 64/100
52 44833 Galion OH 8 56/100
53 45118 Fayetteville OH 8 78/100
54 45171 Sardinia OH 8 81/100
55 45337 Laura OH 8 61/100
56 45342 Miamisburg OH 8 64/100
57 45343 Miamisburg OH 8 65/100
58 45865 Minster OH 8 51/100
59 45882 Rockford OH 8 63/100
60 43035 Lewis Center OH 7 62/100
61 43078 Urbana OH 7 63/100
62 43085 Columbus OH 7 58/100
63 43103 Ashville OH 7 66/100
64 43201 Columbus OH 7 68/100
65 43202 Columbus OH 7 63/100
66 43203 Columbus OH 7 64/100
67 43204 Columbus OH 7 63/100
68 43205 Columbus OH 7 68/100
69 43206 Columbus OH 7 68/100
70 43207 Columbus OH 7 63/100
71 43209 Columbus OH 7 58/100
72 43210 Columbus OH 7 64/100
73 43211 Columbus OH 7 68/100
74 43212 Columbus OH 7 63/100
75 43213 Columbus OH 7 58/100
76 43214 Columbus OH 7 58/100
77 43215 Columbus OH 7 63/100
78 43216 Columbus OH 7 64/100
79 43217 Columbus OH 7 68/100
80 43218 Columbus OH 7 68/100
81 43219 Columbus OH 7 63/100
82 43220 Columbus OH 7 63/100
83 43221 Columbus OH 7 63/100
84 43222 Columbus OH 7 68/100
85 43223 Columbus OH 7 58/100
86 43224 Columbus OH 7 63/100
87 43226 Columbus OH 7 64/100
88 43227 Columbus OH 7 58/100
89 43228 Columbus OH 7 63/100
90 43229 Columbus OH 7 63/100
91 43230 Columbus OH 7 58/100
92 43231 Columbus OH 7 68/100
93 43232 Columbus OH 7 58/100
94 43234 Columbus OH 7 64/100
95 43235 Columbus OH 7 63/100
96 43236 Columbus OH 7 64/100
97 43240 Columbus OH 7 64/100
98 43251 Columbus OH 7 64/100
99 43260 Columbus OH 7 64/100
100 43266 Columbus OH 7 64/100

Methodology

Violation counts include all types recorded in the EPA SDWIS database: Maximum Contaminant Level (MCL) violations, treatment technique violations, and monitoring/reporting violations. Both resolved and unresolved violations are counted. Higher counts may reflect longer system histories or larger service areas.

Data sources: EPA Safe Drinking Water Information System (SDWIS), FEMA National Flood Insurance Program, EPA radon zone maps, EIA electricity rates, and Consumer Confidence Reports. Last updated: 2026-06-04.

Frequently Asked Questions

What counts as an EPA water violation?

EPA violations include exceeding Maximum Contaminant Levels (MCLs), failing to treat water properly (treatment technique violations), and not testing or reporting on schedule (monitoring violations). Health-based violations are the most serious.

Does a high violation count mean the water is unsafe now?

Not necessarily. Many violations are historical or monitoring-related. However, a pattern of repeated violations indicates systemic issues with water system management or infrastructure.

Explore More Rankings

Cómo se calcula esta clasificación, fuentes de datos y limitaciones: Metodología de clasificaciones →


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Aviso: Las clasificaciones se basan en datos de la EPA, la FEMA y agencias federales. Reflejan patrones históricos e indicadores de riesgo, no necesariamente las condiciones actuales. Para obtener la información más actual, los residentes pueden comunicarse con la compañía local de agua o solicitar un Informe de Confianza del Consumidor (CCR).

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