Water Quality Reports by ZIP Code
Check your local tap water quality. Free reports based on EPA data — contaminants, violations, and safety alerts for your area.
Browse by State
Select a state to find ZIP code reports in your area.
Alabama
819 ZIP codes
Alaska
274 ZIP codes
Arizona
553 ZIP codes
Arkansas
706 ZIP codes
California
2630 ZIP codes
Colorado
658 ZIP codes
Connecticut
433 ZIP codes
Delaware
97 ZIP codes
District of Columbia
286 ZIP codes
Florida
1484 ZIP codes
Georgia
964 ZIP codes
Hawaii
137 ZIP codes
Idaho
324 ZIP codes
Illinois
1583 ZIP codes
Indiana
980 ZIP codes
Iowa
1058 ZIP codes
Kansas
749 ZIP codes
Kentucky
947 ZIP codes
Louisiana
723 ZIP codes
Maine
485 ZIP codes
Maryland
615 ZIP codes
Massachusetts
695 ZIP codes
Michigan
1167 ZIP codes
Minnesota
1009 ZIP codes
Mississippi
532 ZIP codes
Missouri
1161 ZIP codes
Montana
405 ZIP codes
Nebraska
621 ZIP codes
Nevada
254 ZIP codes
New Hampshire
282 ZIP codes
New Jersey
726 ZIP codes
New Mexico
428 ZIP codes
New York
2186 ZIP codes
North Carolina
1085 ZIP codes
North Dakota
407 ZIP codes
Ohio
1435 ZIP codes
Oklahoma
771 ZIP codes
Oregon
482 ZIP codes
Pennsylvania
2184 ZIP codes
Rhode Island
90 ZIP codes
South Carolina
534 ZIP codes
South Dakota
392 ZIP codes
Tennessee
787 ZIP codes
Texas
2649 ZIP codes
Utah
347 ZIP codes
Vermont
308 ZIP codes
Virginia
1228 ZIP codes
Washington
726 ZIP codes
West Virginia
855 ZIP codes
Wisconsin
898 ZIP codes
Wyoming
195 ZIP codes