Tank Size (Gallons)

Household Size (# of People)

1

2

3

4

5

6

500

5.8 years

2.6 years

1.5 years

1.0 year

0.7 year

0.4 year

750

9.1

4.2

2.6

1.8

1.3

1.0

900

11.0

5.2

3.3

2.3

1.7

1.3

1000

12.4

5.9

3.7

2.6

2.0

1.5

1250

15.6

7.5

4.8

3.4

2.6

2.0

1500

18.9

9.1

5.9

4.2

3.3

2.6

1750

22.1

10.7

6.9

5.0

3.9

3.1

2000

25.4

12.4

8.0

5.9

4.5

3.7

2250

28.6

14.0

9.1

6.7

5.2

4.2

2500

31.9

15.6

10.2

7.5

5.9

4.8