PlainWater

PFAS Detection by State

States ranked by PFAS detection rate from EPA UCMR5 testing.

# State Systems Tested PFAS Detected Detection Rate
1 Texas 1,147 1,068 93.1%
2 California 694 447 64.4%
3 Pennsylvania 389 224 57.6%
4 Louisiana 265 218 82.3%
5 Florida 402 218 54.2%
6 New Jersey 264 208 78.8%
7 Ohio 346 204 59%
8 Illinois 487 199 40.9%
9 North Carolina 287 174 60.6%
10 Missouri 230 162 70.4%
11 Mississippi 238 160 67.2%
12 Alabama 306 157 51.3%
13 Minnesota 196 149 76%
14 Massachusetts 263 148 56.3%
15 Arizona 152 145 95.4%
16 New York 332 129 38.9%
17 Iowa 152 127 83.6%
18 South Carolina 164 107 65.2%
19 Kentucky 231 107 46.3%
20 Georgia 254 102 40.2%
21 Oklahoma 166 101 60.8%
22 Washington 247 98 39.7%
23 Colorado 163 98 60.1%
24 Tennessee 277 93 33.6%
25 Indiana 229 93 40.6%
26 Utah 129 91 70.5%
27 Kansas 103 89 86.4%
28 Michigan 318 87 27.4%
29 Wisconsin 202 78 38.6%
30 Virginia 171 70 40.9%
31 New Mexico 72 70 97.2%
32 Arkansas 172 57 33.1%
33 Nebraska 53 52 98.1%
34 Nevada 57 50 87.7%
35 Maryland 83 50 60.2%
36 West Virginia 102 46 45.1%
37 South Dakota 49 42 85.7%
38 Puerto Rico 99 40 40.4%
39 Idaho 60 40 66.7%
40 Connecticut 63 40 63.5%
41 North Dakota 38 34 89.5%
42 Oregon 125 30 24%
43 09 41 30 73.2%
44 Montana 45 28 62.2%
45 Delaware 35 25 71.4%
46 New Hampshire 51 23 45.1%
47 Wyoming 33 18 54.5%
48 Rhode Island 29 15 51.7%
49 06 18 15 83.3%
50 Maine 41 14 34.1%
51 Navajo Nation 13 13 100%
52 Alaska 30 10 33.3%
53 08 13 10 76.9%
54 05 13 5 38.5%
55 Vermont 37 3 8.1%
56 Guam 5 3 60%
57 District of Columbia 3 3 100%
58 Hawaii 45 2 4.4%
59 10 10 2 20%
60 US Virgin Islands 3 1 33.3%
61 Northern Mariana Islands 2 1 50%
62 American Samoa 1 1 100%
63 07 1 1 100%
64 01 2 1 50%
65 04 2 0 0%
66 02 2 0 0%