Worst Infrastructure: Utah — 2026 Rankings

Out of 345 ZIP codes with infrastructure data in Utah, 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	345
Highest risk	69%
Median risk	36%
Average risk	36%
State	Utah

Top 100 Highest Risk ZIP Codes

Rank	ZIP Code	City	State	Pipe Failure Risk	Risk Level	Safety Score
1	84008	Bonanza	UT	69%	Very High	40/100
2	84529	Kenilworth	UT	69%	Very High	40/100
3	84520	East Carbon	UT	59%	High	65/100
4	84766	Sevier	UT	58%	High	40/100
5	84105	Salt Lake City	UT	57%	High	78/100
6	84329	Park Valley	UT	56%	High	53/100
7	84539	Sunnyside	UT	55%	High	40/100
8	84628	Eureka	UT	55%	High	54/100
9	84305	Clarkston	UT	54%	High	81/100
10	84086	Woodruff	UT	53%	High	81/100
11	84334	Riverside	UT	53%	High	53/100
12	84715	Bicknell	UT	52%	High	59/100
13	84006	Bingham Canyon	UT	51%	High	53/100
14	84103	Salt Lake City	UT	51%	High	83/100
15	84102	Salt Lake City	UT	50%	High	83/100
16	84108	Salt Lake City	UT	50%	High	78/100
17	84602	Provo	UT	50%	High	78/100
18	84635	Hinckley	UT	50%	High	58/100
19	84744	Koosharem	UT	50%	High	50/100
20	84104	Salt Lake City	UT	49%	High	78/100
21	84112	Salt Lake City	UT	49%	High	83/100
22	84338	Trenton	UT	49%	High	82/100
23	84646	Moroni	UT	49%	High	40/100
24	84656	Scipio	UT	49%	High	73/100
25	84657	Sigurd	UT	49%	High	47/100
26	84751	Milford	UT	49%	High	83/100
27	84755	Mount Carmel	UT	49%	High	53/100
28	84403	Ogden	UT	48%	High	76/100
29	84623	Chester	UT	48%	High	40/100
30	84764	Bryce	UT	48%	High	53/100
31	84106	Salt Lake City	UT	47%	High	78/100
32	84109	Salt Lake City	UT	47%	High	83/100
33	84336	Snowville	UT	47%	High	83/100
34	84521	Elmo	UT	47%	High	53/100
35	84535	Monticello	UT	47%	High	82/100
36	84624	Delta	UT	47%	High	67/100
37	84010	Bountiful	UT	46%	High	72/100
38	84064	Randolph	UT	46%	High	82/100
39	84317	Huntsville	UT	46%	High	43/100
40	84724	Elsinore	UT	46%	High	66/100
41	84308	Cornish	UT	45%	High	81/100
42	84331	Portage	UT	45%	High	81/100
43	84522	Emery	UT	45%	High	53/100
44	84523	Ferron	UT	45%	High	53/100
45	84526	Helper	UT	45%	High	70/100
46	84634	Gunnison	UT	45%	High	83/100
47	84636	Holden	UT	45%	High	81/100
48	84644	Meadow	UT	45%	High	70/100
49	84740	Junction	UT	45%	High	66/100
50	84026	Fort Duchesne	UT	44%	High	40/100
51	84031	Hanna	UT	44%	High	40/100
52	84072	Tabiona	UT	44%	High	61/100
53	84124	Salt Lake City	UT	44%	High	83/100
54	84537	Orangeville	UT	44%	High	63/100
55	84631	Fillmore	UT	44%	High	82/100
56	84728	Garrison	UT	44%	High	53/100
57	84061	Peoa	UT	43%	High	80/100
58	84085	Whiterocks	UT	43%	High	40/100
59	84093	Sandy	UT	43%	High	82/100
60	84115	Salt Lake City	UT	43%	High	83/100
61	84117	Salt Lake City	UT	43%	High	78/100
62	84401	Ogden	UT	43%	High	76/100
63	84530	La Sal	UT	43%	High	70/100
64	84718	Cannonville	UT	43%	High	78/100
65	84731	Greenville	UT	43%	High	53/100
66	84069	Rush Valley	UT	42%	High	53/100
67	84111	Salt Lake City	UT	42%	High	78/100
68	84633	Goshen	UT	42%	High	70/100
69	84643	Mayfield	UT	42%	High	66/100
70	84649	Oak City	UT	42%	High	83/100
71	84772	Summit	UT	42%	High	77/100
72	84053	Neola	UT	41%	High	66/100
73	84083	Wendover	UT	41%	High	77/100
74	84309	Deweyville	UT	41%	High	70/100
75	84314	Honeyville	UT	41%	High	74/100
76	84501	Price	UT	41%	High	68/100
77	84542	Wellington	UT	41%	High	70/100
78	84606	Provo	UT	41%	High	79/100
79	84662	Spring City	UT	41%	High	69/100
80	84739	Joseph	UT	41%	High	68/100
81	84782	Veyo	UT	41%	High	81/100
82	84039	Lapoint	UT	40%	Moderate	40/100
83	84107	Salt Lake City	UT	40%	Moderate	73/100
84	84116	Salt Lake City	UT	40%	Moderate	73/100
85	84120	Salt Lake City	UT	40%	Moderate	83/100
86	84121	Salt Lake City	UT	40%	Moderate	78/100
87	84302	Brigham City	UT	40%	Moderate	81/100
88	84513	Castle Dale	UT	40%	Moderate	53/100
89	84528	Huntington	UT	40%	Moderate	82/100
90	84637	Kanosh	UT	40%	Moderate	82/100
91	84640	Lynndyl	UT	40%	Moderate	79/100
92	84642	Manti	UT	40%	Moderate	68/100
93	84654	Salina	UT	40%	Moderate	62/100
94	84667	Wales	UT	40%	Moderate	70/100
95	84712	Antimony	UT	40%	Moderate	82/100
96	84714	Beryl	UT	40%	Moderate	67/100
97	84747	Loa	UT	40%	Moderate	71/100
98	84756	Newcastle	UT	40%	Moderate	72/100
99	84002	Altonah	UT	39%	Moderate	40/100
100	84073	Talmage	UT	39%	Moderate	64/100

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.