PFAS Open map → Systems with a PFAS reading above an EPA limit (UCMR5, 2023–2025).
Alaska: 4 systems above an EPA PFAS limit of 405 Alabama: 77 systems above an EPA PFAS limit of 545 Arkansas: 1 systems above an EPA PFAS limit of 666 Arizona: 24 systems above an EPA PFAS limit of 954 California: 161 systems above an EPA PFAS limit of 3,071 Colorado: 13 systems above an EPA PFAS limit of 1,113 Connecticut: 37 systems above an EPA PFAS limit of 504 District of Columbia: 0 systems above an EPA PFAS limit of 12 Delaware: 14 systems above an EPA PFAS limit of 209 Florida: 152 systems above an EPA PFAS limit of 1,516 Georgia: 42 systems above an EPA PFAS limit of 1,718 Hawaii: 0 systems above an EPA PFAS limit of 117 Iowa: 8 systems above an EPA PFAS limit of 1,078 Idaho: 3 systems above an EPA PFAS limit of 774 Illinois: 27 systems above an EPA PFAS limit of 1,785 Indiana: 19 systems above an EPA PFAS limit of 718 Kansas: 5 systems above an EPA PFAS limit of 856 Kentucky: 33 systems above an EPA PFAS limit of 375 Louisiana: 7 systems above an EPA PFAS limit of 819 Massachusetts: 106 systems above an EPA PFAS limit of 559 Maryland: 14 systems above an EPA PFAS limit of 467 Maine: 5 systems above an EPA PFAS limit of 359 Michigan: 8 systems above an EPA PFAS limit of 1,429 Minnesota: 17 systems above an EPA PFAS limit of 995 Missouri: 11 systems above an EPA PFAS limit of 1,679 Mississippi: 7 systems above an EPA PFAS limit of 990 Montana: 2 systems above an EPA PFAS limit of 813 North Carolina: 111 systems above an EPA PFAS limit of 1,963 North Dakota: 0 systems above an EPA PFAS limit of 318 Nebraska: 4 systems above an EPA PFAS limit of 594 New Hampshire: 15 systems above an EPA PFAS limit of 677 New Jersey: 151 systems above an EPA PFAS limit of 620 New Mexico: 5 systems above an EPA PFAS limit of 592 Nevada: 3 systems above an EPA PFAS limit of 232 New York: 50 systems above an EPA PFAS limit of 2,202 Ohio: 57 systems above an EPA PFAS limit of 1,130 Oklahoma: 13 systems above an EPA PFAS limit of 884 Oregon: 10 systems above an EPA PFAS limit of 941 Pennsylvania: 109 systems above an EPA PFAS limit of 1,782 Rhode Island: 9 systems above an EPA PFAS limit of 93 South Carolina: 69 systems above an EPA PFAS limit of 557 South Dakota: 1 systems above an EPA PFAS limit of 513 Tennessee: 38 systems above an EPA PFAS limit of 453 Texas: 103 systems above an EPA PFAS limit of 4,617 Utah: 4 systems above an EPA PFAS limit of 560 Virginia: 18 systems above an EPA PFAS limit of 1,052 Vermont: 1 systems above an EPA PFAS limit of 377 Washington: 34 systems above an EPA PFAS limit of 2,403 Wisconsin: 22 systems above an EPA PFAS limit of 977 West Virginia: 20 systems above an EPA PFAS limit of 430 Wyoming: 2 systems above an EPA PFAS limit of 317 1,673 systems above an EPA PFAS limit