Clasificaciones 2026

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

Última actualización: 4 de junio de 2026

349 códigos postales clasificados por Violations N.º 1: código postal 97016 (Clatskanie, OR) — 103
Plomo Infracciones Puntuación más baja Más seguros Riesgo de inundación Costo de energía Radón PFAS Confiabilidad Índice EJ Riesgo para compradores CO y gas Gas más seguro Carga de remediación Infracciones sin resolver (por proveedor) Equidad del agua (por proveedor)

Out of 349 ZIP codes with data in Oregon, these are the highest-ranked areas for violations. See also: National ZIP Codes with Most EPA Water Violations | All Oregon Rankings

Statistic Value
ZIP codes ranked 349
Highest value 103
Median value 6
State Oregon

Top 100 Worst ZIP Codes

Rank ZIP Code City State Violations Safety Score
1 97016 Clatskanie OR 103 64/100
2 97420 Coos Bay OR 97 81/100
3 97523 Cave Junction OR 85 80/100
4 97532 Merlin OR 82 57/100
5 97390 Tidewater OR 76 68/100
6 97138 Seaside OR 65 60/100
7 97358 Lyons OR 57 94/100
8 97038 Molalla OR 54 78/100
9 97378 Sheridan OR 51 72/100
10 97429 Days Creek OR 49 91/100
11 97144 Timber OR 37 69/100
12 97394 Waldport OR 37 83/100
13 97113 Cornelius OR 36 76/100
14 97423 Coquille OR 36 90/100
15 97465 Port Orford OR 36 91/100
16 97055 Sandy OR 35 66/100
17 97048 Rainier OR 34 68/100
18 97127 Lafayette OR 33 72/100
19 97446 Harrisburg OR 32 78/100
20 97453 Mapleton OR 32 83/100
21 97017 Colton OR 30 97/100
22 97056 Scappoose OR 30 77/100
23 97119 Gaston OR 29 82/100
24 97901 Adrian OR 28 50/100
25 97063 Tygh Valley OR 27 82/100
26 97347 Grand Ronde OR 27 93/100
27 97368 Otis OR 27 94/100
28 97469 Riddle OR 25 65/100
29 97327 Brownsville OR 24 81/100
30 97444 Gold Beach OR 24 81/100
31 97462 Oakland OR 24 94/100
32 97864 Monument OR 24 77/100
33 97037 Maupin OR 23 77/100
34 97064 Vernonia OR 22 64/100
35 97458 Myrtle Point OR 22 76/100
36 97112 Cloverdale OR 21 85/100
37 97448 Junction City OR 21 89/100
38 97450 Langlois OR 21 90/100
39 97459 North Bend OR 21 86/100
40 97828 Enterprise OR 21 81/100
41 97042 Mulino OR 20 89/100
42 97411 Bandon OR 20 77/100
43 97415 Brookings OR 19 83/100
44 97431 Dexter OR 19 73/100
45 97434 Dorena OR 19 90/100
46 97068 West Linn OR 18 73/100
47 97132 Newberg OR 18 69/100
48 97498 Yachats OR 18 78/100
49 97754 Prineville OR 18 72/100
50 97818 Boardman OR 18 59/100
51 97844 Irrigon OR 18 82/100
52 97870 Richland OR 18 76/100
53 97103 Astoria OR 17 68/100
54 97838 Hermiston OR 17 75/100
55 97021 Dufur OR 16 81/100
56 97071 Woodburn OR 16 81/100
57 97148 Yamhill OR 16 72/100
58 97342 Detroit OR 16 98/100
59 97014 Cascade Locks OR 15 81/100
60 97101 Amity OR 15 73/100
61 97467 Reedsport OR 15 88/100
62 97131 Nehalem OR 14 77/100
63 97338 Dallas OR 14 88/100
64 97435 Drain OR 14 71/100
65 97525 Gold Hill OR 14 82/100
66 97624 Chiloquin OR 14 82/100
67 97627 Keno OR 14 69/100
68 97031 Hood River OR 13 82/100
69 97365 Newport OR 13 90/100
70 97374 Scio OR 13 83/100
71 97489 Walterville OR 13 94/100
72 97537 Rogue River OR 13 89/100
73 97857 Lostine OR 13 84/100
74 97001 Antelope OR 12 74/100
75 97019 Corbett OR 12 70/100
76 97024 Fairview OR 12 61/100
77 97045 Oregon City OR 12 80/100
78 97057 Shaniko OR 12 77/100
79 97067 Welches OR 12 78/100
80 97135 Pacific City OR 12 76/100
81 97141 Tillamook OR 12 79/100
82 97355 Lebanon OR 12 89/100
83 97424 Cottage Grove OR 12 81/100
84 97499 Yoncalla OR 12 94/100
85 97520 Ashland OR 12 89/100
86 97524 Eagle Point OR 12 89/100
87 97882 Umatilla OR 12 69/100
88 97884 Unity OR 12 78/100
89 97002 Aurora OR 11 82/100
90 97147 Wheeler OR 11 81/100
91 97417 Canyonville OR 11 88/100
92 97601 Klamath Falls OR 11 79/100
93 97602 Klamath Falls OR 11 78/100
94 97603 Klamath Falls OR 11 78/100
95 97760 Terrebonne OR 11 89/100
96 97875 Stanfield OR 11 70/100
97 97058 The Dalles OR 10 82/100
98 97118 Garibaldi OR 10 85/100
99 97143 Netarts OR 10 98/100
100 97392 Turner OR 10 82/100

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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