Water Treatment Flashcards
A watercourse that flows continuously at all times of the year is called
Perennial stream
During the night, algae causes the pH of the water to
Decrease
Which of the following contributes to the creation of algae blooms
Increased nutrients
Which of the following is found mainly in groundwater sources and forms a precipitate when oxidized
Iron
The Riparian Doctrine is sometimes called the
Rule of reasonable sharing
If a water body has a high Ali it’s and is warm, it will generally be
Low in dissolved oxygen
Reservoir turnover is?
Caused by the denser water at the surface sinking toward the bottom
What does the term surface runoff refer to?
Water that flows into the rivers after a rainfall
Hikers, bicyclists, all-terrain vehicles, and automobiles can all ______ of watershed land adjacent to a reservoir
Increase the threat of erosion
What is the term for a water-bearing geologic zone composed of material deposited by the flowing rivers?
Alluvial aquifer
what effect will algae in a reservoir have on dissolved oxygen (DO)?
Increase the DO during the day and lower the DO during the night
What effect does alkalinity have on the use of copper sulfate as an algicide?
Copper sulfate is more effective as alkalinity decreases
The amount of water in a water bearing formation depends on the
Porosity of the formation
What is the main characteristic of raw water that enables blue-green algae to grow?
Presence of nutrients
A well screen must be installed for which of the following?
Unconsolidated materials