2026 Rankings

Worst CO & Gas Risk ZIP Codes in Oklahoma — 2026

Last updated: August 31, 2026

250 ZIP codes ranked by Gas Risk Score #1: ZIP 74601 (Ponca City, OK) - 21/100

Out of 250 ZIP codes with data in Oklahoma, these are the highest-ranked areas for gas risk score. See also: National ZIP Codes with Worst CO & Gas Safety Risk | All Oklahoma Rankings

Statistic Value
ZIP codes ranked 250
Highest value 21/100
Median value 7/100
State Oklahoma

Top 100 Worst ZIP Codes

Rank ZIP Code City State Gas Risk Score Safety Score
1 74601 Ponca City OK 21/100
2 74602 Ponca City OK 21/100
3 74604 Ponca City OK 21/100 67/100
4 74631 Blackwell OK 21/100 87/100
5 74632 Braman OK 21/100
6 74641 Kaw City OK 21/100
7 74646 Nardin OK 21/100
8 74647 Newkirk OK 21/100
9 74653 Tonkawa OK 21/100
10 73003 Edmond OK 7/100 92/100
11 73007 Arcadia OK 7/100
12 73008 Bethany OK 7/100 72/100
13 73012 Edmond OK 7/100 89/100
14 73013 Edmond OK 7/100 89/100
15 73020 Choctaw OK 7/100 75/100
16 73025 Edmond OK 7/100 58/100
17 73034 Edmond OK 7/100 71/100
18 73045 Harrah OK 7/100 75/100
19 73049 Jones OK 7/100 75/100
20 73054 Luther OK 7/100 91/100
21 73066 Nicoma Park OK 7/100
22 73083 Edmond OK 7/100
23 73084 Spencer OK 7/100 75/100
24 73097 Wheatland OK 7/100 83/100
25 73101 Oklahoma City OK 7/100
26 73102 Oklahoma City OK 7/100 92/100
27 73103 Oklahoma City OK 7/100 92/100
28 73104 Oklahoma City OK 7/100 92/100
29 73105 Oklahoma City OK 7/100 75/100
30 73106 Oklahoma City OK 7/100 92/100
31 73107 Oklahoma City OK 7/100 92/100
32 73108 Oklahoma City OK 7/100 92/100
33 73109 Oklahoma City OK 7/100 92/100
34 73110 Oklahoma City OK 7/100 78/100
35 73111 Oklahoma City OK 7/100 75/100
36 73112 Oklahoma City OK 7/100 75/100
37 73113 Oklahoma City OK 7/100
38 73114 Oklahoma City OK 7/100 75/100
39 73115 Oklahoma City OK 7/100 75/100
40 73116 Oklahoma City OK 7/100 75/100
41 73117 Oklahoma City OK 7/100 87/100
42 73118 Oklahoma City OK 7/100 75/100
43 73119 Oklahoma City OK 7/100 92/100
44 73120 Oklahoma City OK 7/100 75/100
45 73121 Oklahoma City OK 7/100 92/100
46 73122 Oklahoma City OK 7/100 89/100
47 73123 Oklahoma City OK 7/100
48 73124 Oklahoma City OK 7/100
49 73125 Oklahoma City OK 7/100
50 73126 Oklahoma City OK 7/100
51 73128 Oklahoma City OK 7/100 92/100
52 73129 Oklahoma City OK 7/100 91/100
53 73130 Oklahoma City OK 7/100 75/100
54 73131 Oklahoma City OK 7/100 75/100
55 73132 Oklahoma City OK 7/100 89/100
56 73134 Oklahoma City OK 7/100 89/100
57 73135 Oklahoma City OK 7/100 90/100
58 73136 Oklahoma City OK 7/100
59 73137 Oklahoma City OK 7/100
60 73139 Oklahoma City OK 7/100 75/100
61 73140 Oklahoma City OK 7/100
62 73141 Oklahoma City OK 7/100 75/100
63 73142 Oklahoma City OK 7/100 89/100
64 73143 Oklahoma City OK 7/100
65 73144 Oklahoma City OK 7/100
66 73145 Oklahoma City OK 7/100 91/100
67 73146 Oklahoma City OK 7/100
68 73147 Oklahoma City OK 7/100
69 73148 Oklahoma City OK 7/100
70 73149 Oklahoma City OK 7/100 78/100
71 73150 Oklahoma City OK 7/100
72 73151 Oklahoma City OK 7/100 92/100
73 73152 Oklahoma City OK 7/100
74 73153 Oklahoma City OK 7/100
75 73154 Oklahoma City OK 7/100
76 73155 Oklahoma City OK 7/100
77 73156 Oklahoma City OK 7/100
78 73157 Oklahoma City OK 7/100
79 73159 Oklahoma City OK 7/100 83/100
80 73160 Oklahoma City OK 7/100 77/100
81 73162 Oklahoma City OK 7/100 89/100
82 73163 Oklahoma City OK 7/100
83 73164 Oklahoma City OK 7/100
84 73167 Oklahoma City OK 7/100
85 73169 Oklahoma City OK 7/100 83/100
86 73172 Oklahoma City OK 7/100
87 73178 Oklahoma City OK 7/100
88 73179 Oklahoma City OK 7/100 83/100
89 73184 Oklahoma City OK 7/100
90 73185 Oklahoma City OK 7/100
91 73189 Oklahoma City OK 7/100
92 73190 Oklahoma City OK 7/100
93 73193 Oklahoma City OK 7/100
94 73194 Oklahoma City OK 7/100
95 73195 Oklahoma City OK 7/100
96 73196 Oklahoma City OK 7/100
97 73197 Oklahoma City OK 7/100
98 73198 Oklahoma City OK 7/100
99 73199 Oklahoma City OK 7/100
100 74008 Bixby OK 7/100 83/100

Methodology

Gas risk rankings use PHMSA gas distribution incident data (2004-2026), mapped to counties and ZIP codes. Risk scores (0-100) factor in total incidents, fatalities, and recency. Counties with more incidents, deaths, and recent events score highest. Data source: U.S. DOT Pipeline and Hazardous Materials Safety Administration.

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: 2026-08-31.

Frequently Asked Questions

What is a gas distribution incident?

Gas distribution incidents involve failures in the local natural gas pipeline network — the pipes that carry gas from main lines to homes and businesses. These can cause explosions, fires, carbon monoxide poisoning, and property damage. PHMSA tracks all reported incidents nationally.

How can I protect my home from CO and gas leaks?

Install CO detectors on every level of your home (CPSC recommendation). Have gas appliances inspected annually by a licensed technician. Know the signs of a gas leak: rotten egg smell, hissing near gas lines, dead vegetation near pipelines. If you smell gas, leave immediately and call 911.

Explore More Rankings

How this ranking is calculated, data sources, and limitations: Rankings Methodology →


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Home Safety 2026 CO and gas risk is shown separately from the Home Safety Score Infrastructure 2026 Aging gas lines increase risk Air Quality 2026 Indoor air and combustion hazards
Disclaimer: Rankings are based on EPA, FEMA, and federal agency data. They reflect historical patterns and risk indicators, not necessarily current conditions. For the most current information, contact your local water utility or request a Consumer Confidence Report.

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