Number of Units required when no pumping service is provided
50/50 Mix of Men & Women
One Unit provides approximately 200 uses with 4 hours between use

 
Average Hours at the Event
Crowd
Size
1
2
3
4
5
6
7
8
9
10
500
2
4
4
5
6
7
9
9
10
12
1,000
4
6
8
8
9
9
11
12
13
13
2,000
5
6
9
12
14
16
18
20
23
25
3,000
6
9
12
16
20
24
26
30
34
38
4,000
8
13
16
22
25
30
35
40
45
50
5,000
12
15
20
25
31
38
44
50
56
63
10,000
15
25
38
50
63
75
88
100
113
125
15,000
20
38
56
75
94
113
131
150
169
18
20,000 25 50 75 100 125 150 175 200 225 250
25,000 38 69 99 130 160 191 221 252 282 313
30,000 46 82 119 156 192 229 266 302 339 376

The length of time people spend at large public events is directly related to their plans to use portable sanitation facilities.  People who plan to use portable sanitation facilities tend to stay longer.  Their enjoyment of the event and expenditures therefore are affected by adequacy of portable sanitation facilities.