Skip to contentTap water quality by state
| State | Systems | Tested for PFAS | PFAS above limit | People served by them | Lead above action level (last 5 yrs) |
|---|
| Alabama | 502 | 307 | 56 | 1.4 million | 0 |
| Alaska | 408 | 28 | 2 | 226,251 | 3 |
| American Samoa | 10 | 1 | 0 | 0 | 0 |
| Arizona | 835 | 159 | 21 | 845,012 | 10 |
| Arkansas | 658 | 172 | 0 | 0 | 7 |
| California | 2,920 | 691 | 129 | 8.9 million | 26 |
| Colorado | 1,061 | 158 | 4 | 101,207 | 2 |
| Connecticut | 476 | 62 | 29 | 1.2 million | 1 |
| Delaware | 204 | 34 | 11 | 637,113 | 1 |
| District of Columbia | 10 | 3 | 0 | 0 | 0 |
| Florida | 1,598 | 394 | 124 | 9.7 million | 4 |
| Georgia | 1,743 | 252 | 27 | 1.3 million | 16 |
| Guam | 5 | 5 | 1 | 139,207 | 0 |
| Hawaii | 118 | 44 | 0 | 0 | 0 |
| Idaho | 771 | 61 | 2 | 21,500 | 1 |
| Illinois | 1,788 | 479 | 13 | 353,817 | 18 |
| Indiana | 767 | 219 | 6 | 166,389 | 6 |
| Iowa | 1,083 | 151 | 1 | 85,791 | 4 |
| Kansas | 856 | 102 | 3 | 77,468 | 3 |
| Kentucky | 372 | 230 | 9 | 199,762 | 0 |
| Louisiana | 898 | 263 | 1 | 6,354 | 4 |
| Maine | 386 | 39 | 2 | 22,328 | 1 |
| Maryland | 460 | 76 | 13 | 162,211 | 1 |
| Massachusetts | 529 | 261 | 75 | 1.3 million | 8 |
| Michigan | 1,391 | 311 | 5 | 219,330 | 26 |
| Minnesota | 998 | 197 | 10 | 270,387 | 7 |
| Mississippi | 1,015 | 235 | 5 | 84,633 | 10 |
| Missouri | 1,434 | 227 | 6 | 73,399 | 3 |
| Montana | 850 | 40 | 0 | 0 | 6 |
| Nebraska | 594 | 51 | 3 | 83,158 | 7 |
| Nevada | 212 | 37 | 3 | 488,064 | 2 |
| New Hampshire | 706 | 49 | 9 | 222,708 | 25 |
| New Jersey | 555 | 245 | 110 | 5.1 million | 4 |
| New Mexico | 580 | 77 | 1 | 2,286 | 14 |
| New York | 2,253 | 322 | 31 | 1.9 million | 16 |
| North Carolina | 1,982 | 285 | 66 | 2.5 million | 5 |
| North Dakota | 320 | 41 | 0 | 0 | 3 |
| Northern Mariana Islands | 35 | 1 | 1 | 48,524 | 2 |
| Ohio | 1,122 | 331 | 35 | 1.5 million | 3 |
| Oklahoma | 899 | 167 | 8 | 250,611 | 5 |
| Oregon | 947 | 123 | 9 | 226,133 | 16 |
| Pennsylvania | 1,849 | 360 | 85 | 4.2 million | 76 |
| Puerto Rico | 404 | 96 | 15 | 1.5 million | 0 |
| Rhode Island | 88 | 26 | 7 | 207,864 | 6 |
| South Carolina | 559 | 163 | 53 | 2 million | 3 |
| South Dakota | 510 | 55 | 0 | 0 | 0 |
| Tennessee | 445 | 275 | 17 | 344,152 | 0 |
| Texas | 4,758 | 1130 | 28 | 2.8 million | 13 |
| U.S. Virgin Islands | 77 | 2 | 0 | 0 | 5 |
| Utah | 506 | 127 | 2 | 14,975 | 8 |
| Vermont | 404 | 34 | 0 | 0 | 7 |
| Virginia | 1,056 | 164 | 12 | 1.8 million | 3 |
| Washington | 2,374 | 245 | 20 | 1.2 million | 17 |
| West Virginia | 413 | 99 | 10 | 99,088 | 2 |
| Wisconsin | 1,051 | 196 | 18 | 184,985 | 4 |
| Wyoming | 327 | 32 | 1 | 10,330 | 0 |