2026 Rankings

ZIP Codes with Most EPA Violations in New York — 2026

Last updated: June 4, 2026

1,162 ZIP codes ranked by Violations #1: ZIP 12107 (Knox, NY) — 88
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 1,162 ZIP codes with data in New York, these are the highest-ranked areas for violations. See also: National ZIP Codes with Most EPA Water Violations | All New York Rankings

Statistic Value
ZIP codes ranked 1,162
Highest value 88
Median value 6
State New York

Top 100 Worst ZIP Codes

Rank ZIP Code City State Violations Safety Score
1 12107 Knox NY 88 62/100
2 13753 Delhi NY 69 51/100
3 14602 Rochester NY 67 73/100
4 14603 Rochester NY 67 73/100
5 14604 Rochester NY 67 73/100
6 14605 Rochester NY 67 73/100
7 14606 Rochester NY 67 70/100
8 14607 Rochester NY 67 73/100
9 14608 Rochester NY 67 73/100
10 14609 Rochester NY 67 75/100
11 14610 Rochester NY 67 75/100
12 14611 Rochester NY 67 73/100
13 14612 Rochester NY 67 65/100
14 14613 Rochester NY 67 75/100
15 14614 Rochester NY 67 75/100
16 14615 Rochester NY 67 73/100
17 14616 Rochester NY 67 75/100
18 14617 Rochester NY 67 70/100
19 14618 Rochester NY 67 70/100
20 14619 Rochester NY 67 73/100
21 14620 Rochester NY 67 75/100
22 14621 Rochester NY 67 75/100
23 14622 Rochester NY 67 70/100
24 14623 Rochester NY 67 65/100
25 14624 Rochester NY 67 70/100
26 14625 Rochester NY 67 65/100
27 14626 Rochester NY 67 70/100
28 14627 Rochester NY 67 73/100
29 14638 Rochester NY 67 73/100
30 14639 Rochester NY 67 73/100
31 14642 Rochester NY 67 73/100
32 14643 Rochester NY 67 73/100
33 14644 Rochester NY 67 73/100
34 14645 Rochester NY 67 73/100
35 14646 Rochester NY 67 73/100
36 14647 Rochester NY 67 73/100
37 14649 Rochester NY 67 73/100
38 14650 Rochester NY 67 73/100
39 14651 Rochester NY 67 73/100
40 14652 Rochester NY 67 73/100
41 14653 Rochester NY 67 73/100
42 14664 Rochester NY 67 73/100
43 14673 Rochester NY 67 73/100
44 14683 Rochester NY 67 73/100
45 14692 Rochester NY 67 73/100
46 14694 Rochester NY 67 73/100
47 10914 Blooming Grove NY 65 40/100
48 12301 Schenectady NY 63 79/100
49 12302 Schenectady NY 63 70/100
50 12303 Schenectady NY 63 67/100
51 12304 Schenectady NY 63 80/100
52 12305 Schenectady NY 63 70/100
53 12306 Schenectady NY 63 75/100
54 12307 Schenectady NY 63 79/100
55 12308 Schenectady NY 63 80/100
56 12309 Schenectady NY 63 70/100
57 12325 Schenectady NY 63 79/100
58 12345 Schenectady NY 63 80/100
59 13807 Milford NY 57 62/100
60 12590 Wappingers Falls NY 56 61/100
61 10921 Florida NY 53 40/100
62 12414 Catskill NY 53 43/100
63 13820 Oneonta NY 52 44/100
64 12413 Cairo NY 51 40/100
65 12534 Hudson NY 51 58/100
66 12472 Rosendale NY 43 61/100
67 12010 Amsterdam NY 42 30/100
68 12083 Greenville NY 42 45/100
69 12116 Maryland NY 42 66/100
70 12486 Tillson NY 42 66/100
71 12496 Windham NY 42 26/100
72 10992 Washingtonville NY 41 37/100
73 10506 Bedford NY 37 65/100
74 12801 Glens Falls NY 37 86/100
75 13750 Davenport NY 37 56/100
76 10940 Middletown NY 35 45/100
77 10941 Middletown NY 35 50/100
78 10943 Middletown NY 35 47/100
79 11201 Brooklyn NY 35 62/100
80 11202 Brooklyn NY 35 62/100
81 11203 Brooklyn NY 35 62/100
82 11204 Brooklyn NY 35 62/100
83 11205 Brooklyn NY 35 67/100
84 11206 Brooklyn NY 35 62/100
85 11207 Brooklyn NY 35 62/100
86 11208 Brooklyn NY 35 62/100
87 11209 Brooklyn NY 35 57/100
88 11210 Brooklyn NY 35 62/100
89 11211 Brooklyn NY 35 57/100
90 11212 Brooklyn NY 35 67/100
91 11213 Brooklyn NY 35 67/100
92 11214 Brooklyn NY 35 57/100
93 11215 Brooklyn NY 35 57/100
94 11216 Brooklyn NY 35 67/100
95 11217 Brooklyn NY 35 62/100
96 11218 Brooklyn NY 35 62/100
97 11219 Brooklyn NY 35 57/100
98 11220 Brooklyn NY 35 62/100
99 11221 Brooklyn NY 35 67/100
100 11222 Brooklyn NY 35 57/100

Methodology

Violation counts include all types recorded in the EPA SDWIS database: Maximum Contaminant Level (MCL) violations, treatment technique violations, and monitoring/reporting violations. Both resolved and unresolved violations are counted. Higher counts may reflect longer system histories or larger service areas.

Data sources: EPA Safe Drinking Water Information System (SDWIS), FEMA National Flood Insurance Program, EPA radon zone maps, EIA electricity rates, and Consumer Confidence Reports. Last updated: 2026-06-04.

Frequently Asked Questions

What counts as an EPA water violation?

EPA violations include exceeding Maximum Contaminant Levels (MCLs), failing to treat water properly (treatment technique violations), and not testing or reporting on schedule (monitoring violations). Health-based violations are the most serious.

Does a high violation count mean the water is unsafe now?

Not necessarily. Many violations are historical or monitoring-related. However, a pattern of repeated violations indicates systemic issues with water system management or infrastructure.

Explore More Rankings

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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