The record, by state

Environmental records by state

Every state hub lists its counties, Superfund sites, PFAS water systems and reporting facilities. Figures are counts of federal dataset rows, nothing modeled.

Superfund NPL sites per state

none
1 to 9
10 to 24
25 to 59
60 or more

State	Counties	NPL sites	PFAS systems	TRI facilities
Alabama	67	16	117	559
Alaska	30	8	8	36
Arizona	15	13	57	309
Arkansas	75	17	10	351
California	58	116	239	1,075
Colorado	64	24	39	262
Connecticut	8	17	40	252
Delaware	3	26	17	51
District of Columbia	1	1	3	10
Florida	67	81	195	758
Georgia	159	23	81	724
Hawaii	5	4	2	36
Idaho	44	12	9	129
Illinois	102	56	128	942
Indiana	92	53	55	885
Iowa	99	25	32	463
Kansas	105	20	35	318
Kentucky	120	20	87	405
Louisiana	64	29	48	395
Maine	16	16	10	69
Maryland	24	26	30	138
Massachusetts	14	41	144	357
Michigan	83	90	44	769
Minnesota	87	49	88	489
Mississippi	82	14	9	318
Missouri	115	39	73	472
Montana	56	19	5	61
Nebraska	93	19	7	200
Nevada	17	2	10	141
New Hampshire	10	22	18	113
New Jersey	21	153	174	330
New Mexico	33	20	9	86
New York	62	122	100	543
North Carolina	100	42	146	780
North Dakota	53	2	7	89
Ohio	88	50	142	1,269
Oklahoma	77	18	68	382
Oregon	36	21	18	275
Pennsylvania	67	127	176	1,044
Rhode Island	5	13	15	80
South Carolina	46	34	91	565
South Dakota	66	4	7	113
Tennessee	95	26	87	630
Texas	254	70	622	1,950
Utah	29	24	16	220
Vermont	14	14	3	36
Virginia	133	35	42	302
Washington	39	69	68	301
West Virginia	55	14	34	167
Wisconsin	72	46	52	846
Wyoming	23	3	3	62