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Infrastructure
Bridge Safety 624,000 bridge inspections Aviation Safety 30,000+ NTSB aviation events Dam Safety 92,600 dam safety records Water Safety 433,000+ public water systems Railroad Safety 438,000+ rail crossings Pipeline Safety 8,800+ pipeline incidents State Safety Dashboards Safety grades for all 50 U.S. states ZIP Safety Report Check any 5-digit ZIP across 9 datasets
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Vehicle Safety

Vehicle Recalls320,000+ NHTSA safety recalls Browse VehiclesEvery make, model and year Complaints2.1M+ consumer safety complaints TSBs4.7M technical service bulletins VIN LookupDecode any vehicle VIN instantly OBD Codes12,000+ diagnostic trouble codes Fuel EconomyEPA MPG data for all vehicles Safety Ratings11,700+ NHTSA crash test ratings Investigations5,300+ NHTSA defect investigations StatisticsRecall trends & safety analysis Compare VehiclesTwo vehicles side by side

Consumer Safety

Product Safety9,700+ CPSC product recalls Food Safety28,600+ FDA food recalls Pet Safety1.3M FDA animal adverse events Drug Safety17,500+ FDA drug recalls Device Safety38,400+ FDA device recalls Workplace Safety102,900+ OSHA injury reports Brand HistoryRecall lookup by company

Infrastructure

Bridge Safety624,000 bridge inspections Aviation Safety30,000+ NTSB aviation events Dam Safety92,600 dam safety records Water Safety433,000+ public water systems Railroad Safety438,000+ rail crossings Pipeline Safety8,800+ pipeline incidents State DashboardsSafety grades for all 50 states ZIP ReportAny 5-digit ZIP across 9 datasets

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Drinking Water Statistics

Data and trends from 434,040 public water systems and 15,432,737 EPA violations across 65 states.

0Water Systems
0Total Violations
0Health-Based Violations
0States

Violations by Year

Number of EPA drinking water violations recorded per year.

Health-Based vs Non-Health Violations

Proportion of violations that pose direct health risks versus monitoring and reporting issues.

Water Systems by State

States with the most registered public water systems.

#StateWater Systems
1 Michigan 26,704
2 Illinois 25,185
3 New York 24,703
4 North Carolina 23,682
5 Pennsylvania 22,494
6 Wisconsin 22,144
7 Minnesota 21,653
8 California 19,626
9 Florida 19,277
10 Texas 16,244
11 Ohio 16,110
12 New Jersey 14,880
13 Connecticut 10,872
14 Washington 10,046
15 Indiana 9,914
16 Virginia 8,649
17 Maryland 7,795
18 Missouri 6,170
19 Tennessee 6,152
20 Oregon 6,046
21 Maine 5,776
22 Iowa 5,293
23 Georgia 5,261
24 Louisiana 5,013
25 Oklahoma 5,012
26 Colorado 4,989
27 Montana 4,728
28 South Carolina 4,561
#StateWater Systems
29 Idaho 4,398
30 Arizona 4,255
31 Vermont 4,126
32 West Virginia 4,098
33 New Hampshire 3,968
34 Arkansas 3,965
35 Massachusetts 3,797
36 Alaska 3,557
37 Mississippi 3,159
38 Nebraska 2,756
39 New Mexico 2,726
40 Utah 2,314
41 Kentucky 2,216
42 Alabama 1,865
43 Wyoming 1,852
44 Kansas 1,802
45 South Dakota 1,688
46 North Dakota 1,608
47 Nevada 1,524
48 Delaware 1,261
49 Rhode Island 1,140
50 Puerto Rico 975
51 Virgin Islands 830
52 American Samoa 286
53 Northern Mariana Islands 199
54 Hawaii 152
55 District of Columbia 45
56 Guam 19

About This Data

All data comes from the EPA's Safe Drinking Water Information System (SDWIS), published through ECHO at echo.epa.gov. The database contains 434,040 public water systems and 15,432,737 violations across 65 states.

Health-based violations occur when a water system exceeds the Maximum Contaminant Level (MCL) for a regulated substance or fails to properly treat water. These violations indicate a direct health risk to consumers. Non-health violations involve monitoring, reporting, or administrative failures. Our database contains 1,993,255 health-based violations out of 15,432,737 total.