2. How many gallons are in an acre-foot of water?
326,000 gallons
472,000 gallons
287,000 gallons
387,000 gallons

3. How much water does the average Orange County citizen use per day?
20 gallons
75 gallons
300 gallons
None of the above

4. How much of Orange County's water comes from groundwater?
38%
50%
75%
100%

5. One acre-foot of water is enough for 2 small families. What is most of that water used for?
landscaping
drinking
household (bathing, washing dishes, laundry, etc.)
cooking

6. What is the usable capacity of Orange County's aquifer?
150,000 acre-feet
1.5 million acre-feet
1.5 billion acre-feet
None of the above

7. Where does Orange County's imported water come from?
Colorado River
Northern California
All of the above
None of the above

8. Despite recycling efforts, how much water is estimated the earth has lost over time?
100 million acre-feet
1 billion acre-feet
20 billion acre-feet
None

9. The most significant part of California's water supply system is:
State Water Project
Central Valley Project
San Francisco/San Joaquin Bay Delta
Colorado River Aqueduct

10. The groundwater basin in Orange County is:
In Fountain Valley
Throughout all of Orange County
Throughout all of north Orange County
Under the Santa Ana riverbed

Score =

Correct answers:

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