Take The Waterless Urinal Dry Facts Test

waterless urinal, water saving urinal

The following questions are designed to help you improve your restroom IQ and uncover some surprising cost-saving facts about waterless urinals. 

Take the test and then check your answers below.


1. Compared to toilets, a urinal is used how many more times per day?

a.   Twice as often

b.   Three times

c.   Four times

d.   About the same


2. On average, how many gallons of water does a urinal use per flush?

a.   Less than one gallon

b.   2 gallons

c.   2.3 gallons

d.   3.5 gallons


3. On average, how many gallons of water does a urinal use per year?

a.   5,000 gallons

b.   20,000 gallons

c.   40,000 gallons

d.   50,000 gallons


4. A conventional urinal uses as much water per year as which of the following?

a.   A large public swimming pool

b.   A family of four in six or seven months

c.   One person in a year for all his or her personal needs

d.   All of these

e.   None of these


5. The average electrical maintenance cost necessary to keep a conventional urinal operational is about how much?

a.   Less than $30 per year

b.   $50

c.   $120

d.   Negligible


6. Water leakage can be a problem with conventional urinals. How many gallons do conventional urinals waste due to leakage each year?

a.   Less than 100 gallons

b.   About 1,000 gallons

c.   As much as 2,000 gallons

d.   As much as 4,000 gallons


7. Is it true that a waterless urinal must be cleaned with special cleaning chemicals to prevent odors and bacteria buildup?

a.   Yes

b.   No

c.   Only if odors become a problem


8. An office building has about 4,000 people using the facility every day. Half of these are men. How many gallons of water are used just to flush the conventional urinals in this building every year?

a.   About 200,000

b.   About 1,000,000

c.   About 3,000,000

d.   More than 3,500,000


9. What is the main way conventional urinals prevent sewer line gases and odors from entering a restroom?

a.   A filtering system in the drainpipe blocks gases and odors.

b.   The design of the interior trap requires some liquid to always be present in the trap to block odors.

c.   There is no system because it is not a problem.

d.   The screen found on top of the urinal drain is used to block and prevent odors.


10. How does a waterless urinal prevent odors and sewer gases from entering a restroom?

a.   It uses a screen just like a conventional urinal to block and prevent odors.

b.   It uses a trap insert filled with a biodegradable liquid that blocks and prevents odors.

c.   There is no system, and it is not a problem.

d.   The design of the drainpipe allows for some water to always be present in the drain to block odors.


11. What is the primary reason that some educational facilities install waterless urinals?

a.   To conserve water

b.   To cut ongoing plumbing costs

c.   To reduce vandalism

d.   To reduce cleaning and maintenance costs



All figures and charges are estimates that may vary depending on location, utility costs, and other factors.


Source some information: the University of Florida Department of Physics



1.   Answer: c

2.   Answer: c

3.   Answer: c

4.   Answer: d

5.   Answer: c

6.   Answer: d

7.   Answer: b

8.   Answer: c

9.   Answer: b

10.  Answer: b

11.   Answer: c


For more information on the benefits of Waterless urinals, contact a Waterless representative toll free at 800-244-6364