River Quiz

1. What percentage of drinking water in the U.S. is sourced in rivers and river fed-lakes?

   A. 20%
   B. 40%
   C. 60%
   D. 80%

2. How many rivers are there in the U.S.?

   A. 100,000
   B. 250,000
   C. 500,000
   D. 1,000,000

3. What is the largest river in the U.S.?

   A. The Mississippi
   B. The Missouri
   C. The Ohio
   D. The Kansas

4. What percentage of rivers and streams in the U.S. are too polluted for fishing and swimming?

   A. Less than 10%
   B. 30%
   C. 40%
   D. 60%

5. Of all the freshwater fish species in North America, what percentage are listed as threatened, endangered, or of special concern?

   A. Less than 10%
   B. 30%
   C. 50%
   D. 60%

6. Irrigation in the U.S. accounts for what percentage of national water use?

   A. Less than 10%
   B. 60%
   C. 70%
   D. 80%

7. In the past century, what percentage of wetlands have been lost or destroyed in the U.S.?

   A. Less than 10%
   B. 20%
   C. 40%
   D. More than 50%

8. What percentage of watersheds in the continental U.S. have serious water quality problems?

   A. Less than 10%
   B. 20%
   C. 40%
   D. More than 60%

9. What is the leading cause of pollution to streams, rivers, and oceans?

   A. Chemical plants
   B. Oil refineries
   C. Run-off from our communities and farms
   D. Mining

10. What percentage of people in the U.S. are served by a community water system reporting a health standard violation?

   A. Less than 5%
   B. 10%
   C. 20%
   D. 30%

11. What can the average citizen do to make a difference for our rivers and watersheds?

   A. Install water saving devices in the home
   B. Join a local river's group in a river clean-up
   C. Reduce or eliminate use of pesticides and fertilizers.
   D. All of the above.