2026 Rankings

Worst Water Infrastructure by Metro Area — 2026

Last updated: October 15, 2026

0 ZIP codes ranked by Score

Metro Areas by Infrastructure Stress

Rank Metro Area ZIP Codes Avg. Stress Highest ZIP Stress
1 New York 80 56/100 77/100
2 Boston 35 49/100 63/100
3 Philadelphia 81 48/100 67/100
4 Chicago 80 47/100 63/100
5 Baltimore 30 46/100 56/100
6 Detroit 45 45/100 64/100
7 Washington DC 65 45/100 63/100
8 San Francisco 77 42/100 63/100
9 Minneapolis 52 41/100 54/100
10 Los Angeles 96 40/100 54/100
11 Seattle 67 38/100 56/100
12 Denver 58 35/100 53/100
13 Portland 53 34/100 51/100
14 Riverside 25 34/100 49/100
15 San Diego 49 33/100 48/100
16 Phoenix 83 32/100 57/100
17 Houston 110 31/100 50/100
18 Dallas-Fort Worth 110 29/100 50/100
19 Miami 117 29/100 50/100
20 Atlanta 53 28/100 45/100
21 Charlotte 32 28/100 48/100
22 San Antonio 63 28/100 44/100
23 Tampa 48 28/100 49/100
24 Orlando 43 22/100 44/100

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


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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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