United States

ZIP code report cards

Twelve environmental grades for every U.S. ZIP code, from drinking-water lab results to nearby Superfund sites, each traced to the public dataset it comes from. Choose a state, then a county. How the grades work.

• Alabama656 ZIPs
• Alaska245 ZIPs
• American Samoa1 ZIP
• Arizona416 ZIPs
• Arkansas614 ZIPs
• California1,803 ZIPs
• Colorado528 ZIPs
• Connecticut288 ZIPs
• Delaware68 ZIPs
• District of Columbia57 ZIPs
• Florida1,013 ZIPs
• Georgia751 ZIPs
• Guam7 ZIPs
• Hawaii97 ZIPs
• Idaho281 ZIPs
• Illinois1,396 ZIPs
• Indiana807 ZIPs
• Iowa970 ZIPs
• Kansas704 ZIPs
• Kentucky779 ZIPs
• Louisiana539 ZIPs
• Maine427 ZIPs
• Maryland477 ZIPs
• Massachusetts539 ZIPs
• Michigan992 ZIPs
• Minnesota881 ZIPs
• Mississippi427 ZIPs
• Missouri1,035 ZIPs
• Montana369 ZIPs
• Nebraska586 ZIPs
• Nevada180 ZIPs
• New Hampshire246 ZIPs
• New Jersey598 ZIPs
• New Mexico372 ZIPs
• New York1,826 ZIPs
• North Carolina853 ZIPs
• North Dakota389 ZIPs
• Northern Mariana Islands3 ZIPs
• Ohio1,233 ZIPs
• Oklahoma664 ZIPs
• Oregon428 ZIPs
• Pennsylvania1,833 ZIPs
• Puerto Rico132 ZIPs
• Rhode Island81 ZIPs
• South Carolina424 ZIPs
• South Dakota374 ZIPs
• Tennessee638 ZIPs
• Texas1,989 ZIPs
• U.S. Virgin Islands6 ZIPs
• Utah300 ZIPs
• Vermont265 ZIPs
• Virginia903 ZIPs
• Washington605 ZIPs
• West Virginia738 ZIPs
• Wisconsin783 ZIPs
• Wyoming175 ZIPs