AWWA Bundled Exams with complete solution

Which disinfectant would work best against cryptosporidium? - Ozone The pH of a water sample is greater that the pHs so the Langlier index? - Indicates the water is scale forming. When water high in calcium bicarbonate is softened by ion exchange - Sodium bicarbonate remains in the product water...

A watercourse that flows continuously at all times of the year is known as what? - Perennial stream What is defined as 'the killing or inactivation of pathogenic organisms in water'? - Disinfection Free chlorine residual values are based on a contact time of how long? - 10 mins What time of da...

calcium bicarbonate - A compount that is controlled through water treatment to prevent the formation of calcium carbonate. (Hardness) Ultraviolet disinfection - Disinfection using ultraviolet light membrane filtration - Water treatment process in which relatively pure water passes through a poro...

Adaptive plants - Non-indigenous plants that easily adapt to the climate and thus require little or no supplemental irrigation once established. Adjusted water budget -an amount of water used to maintain a landscape that is based on area and evapotranspiration rate. American National Standards I...

Which agency sets legal limits on the concentration levels of harmful contaminants in potable water distributed to customers? - US Environmental Protection Agency The number of monthly distributions system bacteriologiacal samples required is - Based on the population served What is the maximum ...

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 Wate...