(AWWA) Water Treatment Operator
Certification Study Guide Questions and
Answers
1. A continuously flowing watercourse: Perennial Stream
2. Algae causes PH to ....... at night: Decrease
3. What contributes to creation of algae blooms: Increased nutrients
4. Iron is found mostly in what sources of water: Groundwater
5. Also called the rule of reasonable sharing: Riparian Doctrine
6. Water high in salinity and warm is: Low in dissolved oxygen
7. Reservoir turnover: Denser water at surface sinking toward the bottom
8. Water that flows into rivers after rainfall: Surface runoff
9. Recreation can ....... of land adjacent to a reservoir: increase the threat of erosion
10. Water bearing geological zone composed of material deposited by
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, flowing rivers: Alluvial aquifer
11. What effect will algae have on dissolved oxygen: Increase DO during the day
and lower
DO during the night
12. How does alkalinity effect the use of copper sulfate: Copper sulfate is more
effective as alkalinity decreases
13. The amount of water in a formation depends on.....: The porosity of the
water-bearing formation
14. What enables blue green algae to grow: Nutrients
15. Recommended loading rate of copper sulfate for algae control: 5.4 lbs
per acre of
surface area
16. Primary origin of coliform bacteria: Animal or human feces
17. Amount of water a well produces for each foot of drawdown: Specific
capacity
18. Most common well used in public water supply: Drilled well
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Certification Study Guide Questions and
Answers
1. A continuously flowing watercourse: Perennial Stream
2. Algae causes PH to ....... at night: Decrease
3. What contributes to creation of algae blooms: Increased nutrients
4. Iron is found mostly in what sources of water: Groundwater
5. Also called the rule of reasonable sharing: Riparian Doctrine
6. Water high in salinity and warm is: Low in dissolved oxygen
7. Reservoir turnover: Denser water at surface sinking toward the bottom
8. Water that flows into rivers after rainfall: Surface runoff
9. Recreation can ....... of land adjacent to a reservoir: increase the threat of erosion
10. Water bearing geological zone composed of material deposited by
1/
7
, flowing rivers: Alluvial aquifer
11. What effect will algae have on dissolved oxygen: Increase DO during the day
and lower
DO during the night
12. How does alkalinity effect the use of copper sulfate: Copper sulfate is more
effective as alkalinity decreases
13. The amount of water in a formation depends on.....: The porosity of the
water-bearing formation
14. What enables blue green algae to grow: Nutrients
15. Recommended loading rate of copper sulfate for algae control: 5.4 lbs
per acre of
surface area
16. Primary origin of coliform bacteria: Animal or human feces
17. Amount of water a well produces for each foot of drawdown: Specific
capacity
18. Most common well used in public water supply: Drilled well
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