Water Treatment Operator Certification
Study Guide (AWWA) | A Guide to
Preparing for Water Treatment Operator
Certification Exams
A continuously flowing watercourse - Perennial Stream
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ii Algae causes PH to ....... at night - Decrease
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ii What contributes to creation of algae blooms - Increased nutrients
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ii Iron is found mostly in what sources of water - Groundwater
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ii Also called the rule of reasonable sharing - Riparian Doctrine
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ii Water high in salinity and warm is - Low in dissolved oxygen
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ii Reservoir turnover - Denser water at surface sinking toward the bottom
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ii Water that flows into rivers after rainfall - Surface runoff
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ii Recreation can ....... of land adjacent to a reservoir - increase the threat of erosion
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ii Water bearing geological zone composed of material deposited by flowing rivers -
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ii Alluvial aquifer ii
ii What effect will algae have on dissolved oxygen - Increase DO during the day and
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ii lower DO during the night
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ii How does alkalinity effect the use of copper sulfate - Copper sulfate is more effective as
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ii alkalinity decreases ii
ii The amount of water in a formation depends on..... - The porosity of the water-bearing
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ii formation
ii What enables blue green algae to grow - Nutrients
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ii Recommended loading rate of copper sulfate for algae control - 5.4 lbs per acre of ii ii ii ii ii ii ii ii ii ii ii ii ii ii ii ii
ii surface area ii
ii Primary origin of coliform bacteria - Animal or human feces
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