State

2020

2019-2020

2016-2017

Census Data

Violations Chlorine

TTHM

Chlorine

TTHM

Population

Income

Systems

Total

[ppm]

[ppb]

[ppm]

[ppb]

% Change

AK

Alaska

5,696,966

$77,845

6706

137,133

0.49

20.0

0.47

30.0

50%

AZ

Arizona

2,901,707

$69,056

15,611

143,478

0.90

60.0

0.90

64.0

7%

CA

California

20,689,846

$84,907

60,867

71,279

2.00

46.0

2.0

53.0

15%

CO

Colorado

9,665,530

$82,254

15,053

52,823

0.20

24.6

0.49

27.2

11%

HA

Hawaii

4,512,989

$84,857

1241

1325

NR

15.4

NR

NR

NR

ID

Idaho

5,075,813

$66,474

8302

46,320

0.20

59.9

0.20

74.7

25%

MT

Montana

3,141,331

$63,249

12,978

66,233

1.10

50.0

1.06

50.0

0

NV

Nevada

8,765,136

$66,274

6464

14,546

NR

4.9

NR

5.1

4%

NM

New Mexico

3,699,347

$53,992

10,145

40,312

2.40

15.0

2.70

15.6

4%

OR

Oregon

4,010,497

$71,562

14,219

119,569

1.60

8.1

1.40

18.1

123%

UT

Utah

7,188,955

$79,449

10,208

59,000

1.20

33.7

1.27

37.4

11%

WA

Washington

28,223,188

$84,247

13,598

126,893

1.21

49.0

1.10

56.0

14%

WY

Wyoming

7,497,727

$65,204

6186

15,158

NR

13.1

NR

13.1

0