Sanitary Usage Chart
Usage Chart
Restrooms Needed For Special Events
Number of attendees

Length of Event (in hours)

1

2

3

4

5

6

7

8

9

10
50

1

1

1

1

2

2

2

2

2

2
100

2

2

2

2

3

3

3

3

3

4
250

2

2

3

3

3

4

4

6

6

8
500

3

4

5

5

5

6

6

7

7

8
1000

5

7

8

8

9

9

10

10

12

12
2000

8

13

15

17

18

19

19

19

20

20
3000

12

19

23

25

28

28

28

30

30

30
4000

16

24

30

34

36

38

38

38

38

38
5000

19

32

38

42

44

46

46

48

48

48
6000

23

38

46

50

54

57

57

60

60

60
7000

28

42

54

60

63

66

66

66

66

66
8000

32

48

60

66

72

72

75

78

78

78
10,000

38

60

75

84

88

92

96

96

96

100
How to use this chart:
  1. Determine how many hours the event will last. If it is multiple days, use the longest day.
  2. Determine how many people will attend. If there are multiple days, determine the peak day.
  3. Use the chart to calculate the number of portable restrooms needed for adequate sanitation conditions.

Note: If alcohol is being served, add 15-20% more restrooms. Add one Extra-large per 20 portable restrooms, or a minimum of one for events open to the public Adequate hand washing should also be provided with restrooms in all food service areas.

Note: The recommended "usage" is subject to each event based on detail, a customer service representative can help determine your exact needs.

  • Restrooms Needed for Construction Projects
  • Number of Shifts (per 40 hour work week)

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