Water Treatment Operator Certification Study Guide (AWWA)
Questions with 100% Verified Answers UPDATED!!!
A continuously flowing watercourse - ANSWER Perennial Stream
Algae causes PH to ....... at night - ANSWER Decrease
What contributes to creation of algae blooms - ANSWER
Increased nutrients
Iron is found mostly in what sources of water - ANSWER
Groundwater
Also called the rule of reasonable sharing - ANSWER Riparian
Doctrine
Water high in salinity and warm is - ANSWER Low in dissolved
oxygen
Reservoir turnover - ANSWER Denser water at surface sinking
toward the bottom
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Water that flows into rivers after rainfall - ANSWER Surface
runoff
Recreation can ....... of land adjacent to a reservoir - ANSWER
increase the threat of erosion
Water bearing geological zone composed of material deposited
by flowing rivers - ANSWER Alluvial aquifer
What effect will algae have on dissolved oxygen - ANSWER
Increase DO during the day and lower DO during the night
How does alkalinity effect the use of copper sulfate - ANSWER
Copper sulfate is more effective as alkalinity decreases
The amount of water in a formation depends on..... - ANSWER
The porosity of the water-bearing formation
What enables blue green algae to grow - ANSWER Nutrients