FS3-3 Assembly July 2016
Page 15 of 16
GENERAL STATISTICS AND USEFUL TECHNICAL INFORMATION
ITEM
STANDARD
METRIC
FRESH WATER
1 gal
3.785 ltr
One gal
128 fl . oz
3,780 ml
One qt
32 fl . oz
946.35 ml
One gal
8.33 lb
3.77 kg
SEWAGE
One gal
10.20 lb
4.62 kg
Feces per person per day*
.5 lb (26.12 fl . oz)
.23 kg (772.4 ml)
Urine per person per day*
1 qt (32 fl . oz)
.95 ltr
Non-Flush Tank Use & Capacity - (120 uses)
60 gal < 5 gal charge = 55 gal
7,040 fl . oz
208,200 ml
Flush Tank Use & Capacity - (75 uses)
40 gal < 5 gal charge = 35 gal
4,480 fl . oz
132,500 ml
Average person urination at special events = 8
- 10 fl . oz (237 - 296 ml)
9 fl . oz / average
266 ml / average
Sink Tank Use & Capacity - (400 uses)
20 gal
2,560 fl . oz
75.7 ltr
Sink foot pump dispenses 2 oz per stroke
6 fl . oz / average
177.44 ml / average
* per Portable Sanitation Association International (PSAI)
NOTES:
Weather conditions and consumption of foods, liquids and alcoholic beverages can in-
crease usage by 30 to 40%.
“Conservative” usage calculations based upon each user producing 59 fl . oz of waste and
dispensing 6 fl . oz for hand washing.