2026 Rankings

Worst Infrastructure: Oklahoma — 2026 Rankings

Last updated: August 31, 2026

660 ZIP codes ranked by Pipe Failure Risk #1: ZIP 73001 (Albert, OK) - NaN%

Out of 660 ZIP codes with infrastructure data in Oklahoma, these areas face the highest estimated risk of water pipe failure based on infrastructure age, funding gaps, and violation history.

Statistic Value
ZIP codes ranked 660
Highest risk NaN%
Median risk NaN%
Average risk NaN%
State Oklahoma

Top 100 Highest Risk ZIP Codes

Rank ZIP Code City State Pipe Failure Risk Risk Level Safety Score
1 73001 Albert OK NaN% Unknown
2 73002 Alex OK NaN% Unknown
3 73003 Edmond OK NaN% Unknown 92/100
4 73004 Amber OK NaN% Unknown
5 73005 Anadarko OK NaN% Unknown
6 73006 Apache OK NaN% Unknown
7 73007 Arcadia OK NaN% Unknown
8 73008 Bethany OK NaN% Unknown 72/100
9 73009 Binger OK NaN% Unknown
10 73010 Blanchard OK NaN% Unknown 83/100
11 73011 Bradley OK NaN% Unknown
12 73012 Edmond OK NaN% Unknown 89/100
13 73013 Edmond OK NaN% Unknown 89/100
14 73014 Calumet OK NaN% Unknown 83/100
15 73015 Carnegie OK NaN% Unknown
16 73016 Cashion OK NaN% Unknown
17 73017 Cement OK NaN% Unknown
18 73018 Chickasha OK NaN% Unknown
19 73019 Norman OK NaN% Unknown 99/100
20 73020 Choctaw OK NaN% Unknown 75/100
21 73021 Colony OK NaN% Unknown
22 73024 Corn OK NaN% Unknown
23 73025 Edmond OK NaN% Unknown 58/100
24 73026 Norman OK NaN% Unknown 83/100
25 73027 Coyle OK NaN% Unknown
26 73028 Crescent OK NaN% Unknown
27 73029 Cyril OK NaN% Unknown
28 73030 Davis OK NaN% Unknown
29 73031 Dibble OK NaN% Unknown
30 73032 Dougherty OK NaN% Unknown
31 73033 Eakly OK NaN% Unknown
32 73034 Edmond OK NaN% Unknown 71/100
33 73036 El Reno OK NaN% Unknown 83/100
34 73038 Fort Cobb OK NaN% Unknown
35 73040 Geary OK NaN% Unknown
36 73041 Gotebo OK NaN% Unknown
37 73042 Gracemont OK NaN% Unknown
38 73043 Greenfield OK NaN% Unknown
39 73044 Guthrie OK NaN% Unknown
40 73045 Harrah OK NaN% Unknown 75/100
41 73047 Hinton OK NaN% Unknown
42 73048 Hydro OK NaN% Unknown
43 73049 Jones OK NaN% Unknown 75/100
44 73050 Langston OK NaN% Unknown
45 73051 Lexington OK NaN% Unknown 85/100
46 73052 Lindsay OK NaN% Unknown
47 73053 Lookeba OK NaN% Unknown
48 73054 Luther OK NaN% Unknown 91/100
49 73055 Marlow OK NaN% Unknown
50 73056 Marshall OK NaN% Unknown
51 73057 Maysville OK NaN% Unknown
52 73058 Meridian OK NaN% Unknown
53 73059 Minco OK NaN% Unknown
54 73061 Morrison OK NaN% Unknown
55 73062 Mountain View OK NaN% Unknown 98/100
56 73063 Mulhall OK NaN% Unknown
57 73064 Mustang OK NaN% Unknown 90/100
58 73065 Newcastle OK NaN% Unknown 92/100
59 73066 Nicoma Park OK NaN% Unknown
60 73067 Ninnekah OK NaN% Unknown
61 73068 Noble OK NaN% Unknown 83/100
62 73069 Norman OK NaN% Unknown 85/100
63 73070 Norman OK NaN% Unknown 99/100
64 73071 Norman OK NaN% Unknown 85/100
65 73072 Norman OK NaN% Unknown 83/100
66 73073 Orlando OK NaN% Unknown
67 73074 Paoli OK NaN% Unknown
68 73075 Pauls Valley OK NaN% Unknown
69 73077 Perry OK NaN% Unknown
70 73078 Piedmont OK NaN% Unknown 83/100
71 73079 Pocasset OK NaN% Unknown 83/100
72 73080 Purcell OK NaN% Unknown 83/100
73 73082 Rush Springs OK NaN% Unknown
74 73084 Spencer OK NaN% Unknown 75/100
75 73086 Sulphur OK NaN% Unknown
76 73089 Tuttle OK NaN% Unknown
77 73090 Union City OK NaN% Unknown
78 73092 Verden OK NaN% Unknown
79 73093 Washington OK NaN% Unknown 83/100
80 73095 Wayne OK NaN% Unknown
81 73096 Weatherford OK NaN% Unknown
82 73097 Wheatland OK NaN% Unknown 83/100
83 73098 Wynnewood OK NaN% Unknown
84 73099 Yukon OK NaN% Unknown 83/100
85 73102 Oklahoma City OK NaN% Unknown 92/100
86 73103 Oklahoma City OK NaN% Unknown 92/100
87 73104 Oklahoma City OK NaN% Unknown 92/100
88 73105 Oklahoma City OK NaN% Unknown 75/100
89 73106 Oklahoma City OK NaN% Unknown 92/100
90 73107 Oklahoma City OK NaN% Unknown 92/100
91 73108 Oklahoma City OK NaN% Unknown 92/100
92 73109 Oklahoma City OK NaN% Unknown 92/100
93 73110 Oklahoma City OK NaN% Unknown 78/100
94 73111 Oklahoma City OK NaN% Unknown 75/100
95 73112 Oklahoma City OK NaN% Unknown 75/100
96 73114 Oklahoma City OK NaN% Unknown 75/100
97 73115 Oklahoma City OK NaN% Unknown 75/100
98 73116 Oklahoma City OK NaN% Unknown 75/100
99 73117 Oklahoma City OK NaN% Unknown 87/100
100 73118 Oklahoma City OK NaN% Unknown 75/100

Methodology

Infrastructure risk rankings combine four data sources, each weighted equally (25%): (1) EPA Drinking Water Infrastructure Needs Survey (DWINS 2023) — state-level 20-year funding gap per capita for pipe replacement, treatment, and storage; (2) Census ACS housing vintage — percentage of homes built before 1980, when lead solder and galvanized pipes were common; (3) EPA SDWIS violation and enforcement data — system-level compliance history; (4) Lead and Copper Rule indicators — service line material inventories and 90th percentile lead testing results. The combined score is normalized to a 0-100% probability scale.

Data sources: EPA DWINS 2023, Census ACS, EPA SDWIS, Lead and Copper Rule data. Last updated: 2026-08-31.

Frequently Asked Questions

What does pipe failure probability mean?

Pipe failure probability estimates the likelihood of water main breaks, lead contamination from corroded pipes, or service disruptions based on infrastructure age, state funding gaps, violation history, and lead indicators. It is not a prediction of imminent failure, but a risk assessment based on known factors.

How is infrastructure risk calculated?

The risk score combines four equally weighted factors: state-level infrastructure funding gap per capita (from EPA DWINS 2023), housing vintage (Census ACS pre-1980 housing percentage), water system violation and enforcement history (EPA SDWIS), and lead exposure indicators (service line probability and testing results).

What can homeowners do about aging infrastructure?

Test your tap water annually, especially for lead. Check if your home has a lead service line through your water utility. Consider a whole-house water filter (NSF/ANSI 53 certified). Review your water system Consumer Confidence Report for violation history.

Does high risk mean my water is unsafe right now?

Not necessarily. Infrastructure risk indicates long-term vulnerability, not current contamination. However, areas with aging pipes and high violation counts have a statistically higher chance of water quality issues. Regular testing is the best way to verify your water safety.

Explore More Rankings

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


Related Rankings

Water Safety 2026 EPA violations and water quality scores Lead Risk 2026 Lead pipe infrastructure and EPA exceedances Infrastructure 2026 Aging pipes, system age and remediation costs
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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