💧 Liquid waste (urine) estimate
Average person produces about:
So for 100 people:
🚽 Flush water use estimate
Average flush volume in the U.S. is about:
Average person flushes ~5 times per day, so:
So for 100 people:
✅ Summary in gallons
Type |
Per person |
For 100 people |
Urine (liquid waste) |
≈0.4 gal/day |
≈40 gal/day |
Flush water (toilet only) |
≈7.5 gal/day |
≈750 gal/day |
📞 Customer Service Hours
We’re here to help!
📱 Phone: 1-702-328-0689
💬 Live Chat: Start a Chat Now
Our team is always available to assist you during the following hours:
Monday – Friday: 6:00 AM – 2:00 PM Pacific Time
Saturday – Sunday: Closed
Holidays: Closed
Have a question outside of our service hours?
Feel free to leave us a message through our contact form or email us at info@waterlesstoiletshop.com.
We’ll get back to you as soon as possible on the next business day.


Green Toilet features ventilation pipes.
On top of the vent pipe stack here is a Whirlybird

Green Toilet’s double base from below