2020

2019-2020

2021-2022

Census Data

Violations

Chlorine

TTHM

Chlorine

TTHM

State

Population

Income

Systems

Total

[ppm]

[ppb]

[ppm]

[ppb]

% Change

IL

Illinois

12,506,244

$72,205

32,614

76,309

1.1

26.2

1.3

37.6

44%

IN

Indiana

5,461,969

$62,743

18,784

82,993

2.1

48.0

0.7

66.0

38%

IA

Iowa

2,951,224

$65,600

18,258

25,659

2.4

50.0

2.4

68.5

37%

KS

Kansas

2,828,391

$64,124

11,349

18,304

1.1

10.8

1.4

47.7

342%

MI

Michigan

8,735,388

$63,498

22,083

73,588

1.7

3.4

1.8

5.5

62%

MN

Minnesota

5,012,820

$77,720

35,547

10,301

2.7

20.2

2.9

32.5

61%

MO

Missouri

5,589,463

$61,847

21,770

44,439

3.4

21.1

3.6

29.7

41%

NE

Nebraska

1,705,357

$66,817

9677

12,373

2.2

27.5

1.1

34.2

24%

ND

N. Dakota

709,655

$66,519

2943

4013

3.3

24.3

3.1

28.8

19%

OH

Ohio

10,914,524

$62,262

32,098

84,957

1.1

55.0

1.2

60.8

11%

SD

S. Dakota

814,159

$66,143

4310

23,270

1.0

6.3

1.0

23.8

278%

WI

Wisconsin

5,027,143

$67,125

34,404

82,289

1.3

12.2

1.7

20.7

70%