2026 Rankings

Worst Infrastructure: Pennsylvania — 2026 Rankings

Last updated: July 19, 2026

2,152 ZIP codes ranked by Pipe Failure Risk #1: ZIP 17039 (Kleinfeltersville, PA) - 76%
Lead Violations Lowest Score Safest Flood Risk Energy Cost Radon PFAS Reliability EJ Index Homebuyer Risk CO & Gas Safest Gas Remediation Burden Unresolved Violations (by Utility) Water Equity (by Utility)

Out of 2,152 ZIP codes with infrastructure data in Pennsylvania, 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 2,152
Highest risk 76%
Median risk 50%
Average risk 50%
State Pennsylvania

Top 100 Highest Risk ZIP Codes

Rank ZIP Code City State Pipe Failure Risk Risk Level Safety Score
1 17039 Kleinfeltersville PA 76% Very High 40/100
2 15447 Isabella PA 74% Very High 53/100
3 15450 La Belle PA 74% Very High 53/100
4 19083 Havertown PA 74% Very High 10/100
5 15420 Cardale PA 73% Very High 53/100
6 15429 Denbo PA 73% Very High 63/100
7 15315 Bobtown PA 72% Very High 63/100
8 15324 Cokeburg PA 72% Very High 53/100
9 15358 Richeyville PA 72% Very High 53/100
10 15368 Vestaburg PA 72% Very High 53/100
11 15906 Johnstown PA 71% Very High 70/100
12 15087 Webster PA 70% Very High 55/100
13 15325 Crucible PA 70% Very High 63/100
14 15427 Daisytown PA 70% Very High 63/100
15 15472 Oliver PA 70% Very High 53/100
16 15778 Timblin PA 70% Very High 40/100
17 15030 Creighton PA 69% Very High 38/100
18 15072 Pricedale PA 69% Very High 63/100
19 15410 Adah PA 69% Very High 63/100
20 15841 Force PA 69% Very High 63/100
21 15948 Revloc PA 69% Very High 53/100
22 17088 Schaefferstown PA 69% Very High 62/100
23 17865 Potts Grove PA 69% Very High 40/100
24 15104 Braddock PA 68% Very High 34/100
25 15348 Millsboro PA 68% Very High 55/100
26 15422 Chestnut Ridge PA 68% Very High 53/100
27 15544 Gray PA 68% Very High 40/100
28 15638 Hostetter PA 68% Very High 40/100
29 15647 Larimer PA 68% Very High 53/100
30 15927 Colver PA 68% Very High 73/100
31 16727 Derrick City PA 68% Very High 53/100
32 17250 Rouzerville PA 68% Very High 53/100
33 19003 Ardmore PA 68% Very High 45/100
34 19026 Drexel Hill PA 68% Very High 40/100
35 19375 Unionville PA 68% Very High 50/100
36 15003 Ambridge PA 67% Very High 54/100
37 15353 Nineveh PA 67% Very High 63/100
38 15359 Rogersville PA 67% Very High 55/100
39 15379 West Middletown PA 67% Very High 53/100
40 15435 Fairbank PA 67% Very High 55/100
41 15474 Point Marion PA 67% Very High 45/100
42 15475 Republic PA 67% Very High 63/100
43 15635 Hannastown PA 67% Very High 40/100
44 15902 Johnstown PA 67% Very High 70/100
45 15909 Johnstown PA 67% Very High 80/100
46 15953 Seanor PA 67% Very High 53/100
47 16049 Parker PA 67% Very High 15/100
48 17982 Tuscarora PA 67% Very High 53/100
49 18240 Nesquehoning PA 67% Very High 43/100
50 18440 La Plume PA 67% Very High 53/100
51 18709 Luzerne PA 67% Very High 45/100
52 15020 Bunola PA 66% Very High 63/100
53 15351 Nemacolin PA 66% Very High 53/100
54 15366 Van Voorhis PA 66% Very High 53/100
55 15417 Brownsville PA 66% Very High 50/100
56 15443 Hibbs PA 66% Very High 53/100
57 15448 Jacobs Creek PA 66% Very High 55/100
58 15727 Clune PA 66% Very High 53/100
59 15737 Elmora PA 66% Very High 65/100
60 15761 Mentcle PA 66% Very High 53/100
61 15775 Spangler PA 66% Very High 63/100
62 15901 Johnstown PA 66% Very High 70/100
63 15921 Beaverdale PA 66% Very High 63/100
64 15945 Parkhill PA 66% Very High 53/100
65 15951 Saint Michael PA 66% Very High 55/100
66 17311 Codorus PA 66% Very High 40/100
67 17730 Dewart PA 66% Very High 53/100
68 17835 Laurelton PA 66% Very High 53/100
69 17861 Paxtonville PA 66% Very High 53/100
70 17944 Llewellyn PA 66% Very High 53/100
71 17945 Locustdale PA 66% Very High 40/100
72 18447 Olyphant PA 66% Very High 21/100
73 15322 Clarksville PA 65% Very High 55/100
74 15345 Marianna PA 65% Very High 66/100
75 15346 Mather PA 65% Very High 53/100
76 15423 Coal Center PA 65% Very High 55/100
77 15661 Loyalhanna PA 65% Very High 53/100
78 15698 Yukon PA 65% Very High 63/100
79 15738 Emeigh PA 65% Very High 53/100
80 15739 Ernest PA 65% Very High 40/100
81 15752 Kent PA 65% Very High 40/100
82 15773 Saint Benedict PA 65% Very High 53/100
83 15943 Nanty Glo PA 65% Very High 77/100
84 15960 Twin Rocks PA 65% Very High 49/100
85 16860 Munson PA 65% Very High 40/100
86 17056 Mexico PA 65% Very High 55/100
87 17097 Wiconisco PA 65% Very High 53/100
88 17534 Intercourse PA 65% Very High 51/100
89 17749 Mc Ewensville PA 65% Very High 53/100
90 17923 Branchdale PA 65% Very High 53/100
91 18012 Aquashicola PA 65% Very High 40/100
92 18223 Ebervale PA 65% Very High 53/100
93 18225 Harleigh PA 65% Very High 40/100
94 18242 Oneida PA 65% Very High 53/100
95 18245 Quakake PA 65% Very High 40/100
96 18250 Summit Hill PA 65% Very High 54/100
97 18504 Scranton PA 65% Very High 65/100
98 18509 Scranton PA 65% Very High 55/100
99 18510 Scranton PA 65% Very High 70/100
100 18950 Point Pleasant PA 65% Very High 44/100

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: 2026-07-19.

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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