WATER TREATMENT OPERATOR CERTIFICATION
2024 UPDATE QUESTIONS AND VERIFIED ANSWERS
STUDY GUIDE (AWWA) GRADE A+
that flows into rivers after rainfall
Surface runoff
Recreation can ....... of land adjacent to a reservoir
increase the threat of erosion
Water bearing geological zone composed of material deposited by flowing rivers
Alluvial aquifer
What effect will algae have on dissolved oxygen
Increase DO during the day and lower DO during the night
How does alkalinity effect the use of copper sulfate
Copper sulfate is more effective as alkalinity decreases
The amount of water in a formation depends on.....
The porosity of the water-bearing formation
What enables blue green algae to grow
Nutrients
Recommended loading rate of copper sulfate for algae control
5.4 lbs per acre of surface area
Primary origin of coliform bacteria
Animal or human feces
A continuously flowing watercourse
Perennial Stream
Algae causes PH to ....... at night
Decrease
What contributes to creation of algae blooms
Increased nutrients
Iron is found mostly in what sources of water
Groundwater
Also called the rule of reasonable sharing
Riparian Doctrine
Water high in salinity and warm is
Low in dissolved oxygen
Reservoir turnover
Denser water at surface sinking toward the bottom
Amount of water a well produces for each foot of drawdown
Specific capacity
Most common well used in public water supply
Drilled well
What is disinfection
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