2026 Rankings

Worst Infrastructure: Kentucky — 2026 Rankings

Last updated: August 31, 2026

763 ZIP codes ranked by Pipe Failure Risk #1: ZIP 40003 (Bagdad, KY) - NaN%

Out of 763 ZIP codes with infrastructure data in Kentucky, 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 763
Highest risk NaN%
Median risk NaN%
Average risk NaN%
State Kentucky

Top 100 Highest Risk ZIP Codes

Rank ZIP Code City State Pipe Failure Risk Risk Level Safety Score
1 40003 Bagdad KY NaN% Unknown
2 40004 Bardstown KY NaN% Unknown
3 40006 Bedford KY NaN% Unknown
4 40007 Bethlehem KY NaN% Unknown
5 40008 Bloomfield KY NaN% Unknown
6 40009 Bradfordsville KY NaN% Unknown
7 40010 Buckner KY NaN% Unknown 67/100
8 40011 Campbellsburg KY NaN% Unknown
9 40012 Chaplin KY NaN% Unknown
10 40013 Coxs Creek KY NaN% Unknown
11 40014 Crestwood KY NaN% Unknown 67/100
12 40019 Eminence KY NaN% Unknown
13 40020 Fairfield KY NaN% Unknown
14 40022 Finchville KY NaN% Unknown
15 40023 Fisherville KY NaN% Unknown 50/100
16 40025 Glenview KY NaN% Unknown 50/100
17 40026 Goshen KY NaN% Unknown 67/100
18 40031 La Grange KY NaN% Unknown 67/100
19 40033 Lebanon KY NaN% Unknown
20 40036 Lockport KY NaN% Unknown
21 40037 Loretto KY NaN% Unknown
22 40040 Mackville KY NaN% Unknown 83/100
23 40041 Masonic Home KY NaN% Unknown 50/100
24 40045 Milton KY NaN% Unknown
25 40046 Mount Eden KY NaN% Unknown
26 40047 Mount Washington KY NaN% Unknown 50/100
27 40050 New Castle KY NaN% Unknown
28 40051 New Haven KY NaN% Unknown
29 40052 New Hope KY NaN% Unknown
30 40055 Pendleton KY NaN% Unknown
31 40056 Pewee Valley KY NaN% Unknown 67/100
32 40057 Pleasureville KY NaN% Unknown
33 40058 Port Royal KY NaN% Unknown
34 40059 Prospect KY NaN% Unknown 50/100
35 40060 Raywick KY NaN% Unknown
36 40062 Saint Francis KY NaN% Unknown
37 40065 Shelbyville KY NaN% Unknown
38 40067 Simpsonville KY NaN% Unknown
39 40068 Smithfield KY NaN% Unknown
40 40069 Springfield KY NaN% Unknown 81/100
41 40070 Sulphur KY NaN% Unknown
42 40071 Taylorsville KY NaN% Unknown 50/100
43 40075 Turners Station KY NaN% Unknown
44 40076 Waddy KY NaN% Unknown
45 40077 Westport KY NaN% Unknown 83/100
46 40078 Willisburg KY NaN% Unknown 82/100
47 40104 Battletown KY NaN% Unknown
48 40107 Boston KY NaN% Unknown
49 40108 Brandenburg KY NaN% Unknown
50 40109 Brooks KY NaN% Unknown 50/100
51 40110 Clermont KY NaN% Unknown 50/100
52 40111 Cloverport KY NaN% Unknown
53 40115 Custer KY NaN% Unknown
54 40117 Ekron KY NaN% Unknown
55 40118 Fairdale KY NaN% Unknown 50/100
56 40119 Falls Of Rough KY NaN% Unknown
57 40121 Fort Knox KY NaN% Unknown 83/100
58 40140 Garfield KY NaN% Unknown
59 40142 Guston KY NaN% Unknown
60 40143 Hardinsburg KY NaN% Unknown
61 40144 Harned KY NaN% Unknown
62 40145 Hudson KY NaN% Unknown
63 40146 Irvington KY NaN% Unknown
64 40150 Lebanon Junction KY NaN% Unknown 49/100
65 40152 Mc Daniels KY NaN% Unknown
66 40155 Muldraugh KY NaN% Unknown
67 40157 Payneville KY NaN% Unknown
68 40160 Radcliff KY NaN% Unknown 80/100
69 40161 Rhodelia KY NaN% Unknown
70 40162 Rineyville KY NaN% Unknown
71 40165 Shepherdsville KY NaN% Unknown 50/100
72 40170 Stephensport KY NaN% Unknown
73 40171 Union Star KY NaN% Unknown
74 40175 Vine Grove KY NaN% Unknown 77/100
75 40176 Webster KY NaN% Unknown
76 40177 West Point KY NaN% Unknown
77 40178 Westview KY NaN% Unknown
78 40202 Louisville KY NaN% Unknown 50/100
79 40203 Louisville KY NaN% Unknown 50/100
80 40204 Louisville KY NaN% Unknown 50/100
81 40205 Louisville KY NaN% Unknown 50/100
82 40206 Louisville KY NaN% Unknown 50/100
83 40207 Louisville KY NaN% Unknown 50/100
84 40208 Louisville KY NaN% Unknown 50/100
85 40209 Louisville KY NaN% Unknown 50/100
86 40210 Louisville KY NaN% Unknown 50/100
87 40211 Louisville KY NaN% Unknown 50/100
88 40212 Louisville KY NaN% Unknown 50/100
89 40213 Louisville KY NaN% Unknown 50/100
90 40214 Louisville KY NaN% Unknown 50/100
91 40215 Louisville KY NaN% Unknown 50/100
92 40216 Louisville KY NaN% Unknown 50/100
93 40217 Louisville KY NaN% Unknown 50/100
94 40218 Louisville KY NaN% Unknown 50/100
95 40219 Louisville KY NaN% Unknown 50/100
96 40220 Louisville KY NaN% Unknown 50/100
97 40222 Louisville KY NaN% Unknown 50/100
98 40223 Louisville KY NaN% Unknown 50/100
99 40228 Louisville KY NaN% Unknown 50/100
100 40229 Louisville KY NaN% Unknown 50/100

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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