AWWA ABC WATER DISTRIBUTION GRADES 1 & 2 TEST
WITH LATEST UPDATED (QUESTIONS AND ANSWERS)
ALREADY PASSED!
Which agency sets legal limits on the concentration levels of harmful
contaminants in potable water distributed to customers? Correct
Answers US Environmental Protection Agency
The number of monthly distributions system bacteriologiacal samples
required is Correct Answers Based on the population served
What is the maximum contaminant level for total trihalomethanes
(TTHM) in the united States? Correct Answers 0.080 mg/L
Under the Surface Water Treatment Rule, disinfection residuals must be
collected at the same location in the distribution system as Correct
Answers coliform samples
Iron can cause "red water" and thus customer complaints when its
concentration is above its secondary maximum contaminant level of
Correct Answers 0.30 mg/L
The goal of the Surface Drinking Water Act is for each ________ to
accept primary enforcement responsibility (primacy) for the operation of
the state's drinking water program. Correct Answers State
,What is the objective of Total Coliform Rule? Correct Answers To
promote routine surveillance of distribution system water quality to
search for fecal matter and/or disease-causing bacteria
Which agency sets standards on the concentration levels of harmful
contaminants in drinking water? Correct Answers EPA
Explain the difference between the different tiers of violations. Which
tier is the most serious? Correct Answers Tier 1 = 24 hours (most
severe)
Tier 2= 30 days
Tier 3= 1 year
A positive E. Coli test must be reported to the primacy health agency
within what time period? Correct Answers 24 hours
How is the required number of monthly bacteriological samples
determined? Correct Answers Population served
What is the action level for lead in first-draw samples taken from
customer taps? Correct Answers 0.015 mg/L
A water system is designated a community public water system if it
serves how many homes? Correct Answers 15 or more
, What authority provides specific water sampling instructions? Correct
Answers The state primacy agency
According to the Lead and Copper Rule, what is the action level for
lead? Correct Answers 0.015 mg/L
Head is measured in Correct Answers Feet
A plat is Correct Answers a map
At which time of the day is the age of the water stored in the distribution
system the highest? Correct Answers Early morning
Water mains should primarily be sized based on Correct Answers
adequate fire flow at an appropriate pressure
The most desirable residential pressure ranges from Correct Answers 50
to 75 psi (345 to 517kPa)
Domestic water use includes water that is supplied to residential areas,
____________, and institutional facilities. Correct Answers commercial
districts
Riparian doctrine is sometimes called the "rule of Correct Answers
reasonable sharing."
WITH LATEST UPDATED (QUESTIONS AND ANSWERS)
ALREADY PASSED!
Which agency sets legal limits on the concentration levels of harmful
contaminants in potable water distributed to customers? Correct
Answers US Environmental Protection Agency
The number of monthly distributions system bacteriologiacal samples
required is Correct Answers Based on the population served
What is the maximum contaminant level for total trihalomethanes
(TTHM) in the united States? Correct Answers 0.080 mg/L
Under the Surface Water Treatment Rule, disinfection residuals must be
collected at the same location in the distribution system as Correct
Answers coliform samples
Iron can cause "red water" and thus customer complaints when its
concentration is above its secondary maximum contaminant level of
Correct Answers 0.30 mg/L
The goal of the Surface Drinking Water Act is for each ________ to
accept primary enforcement responsibility (primacy) for the operation of
the state's drinking water program. Correct Answers State
,What is the objective of Total Coliform Rule? Correct Answers To
promote routine surveillance of distribution system water quality to
search for fecal matter and/or disease-causing bacteria
Which agency sets standards on the concentration levels of harmful
contaminants in drinking water? Correct Answers EPA
Explain the difference between the different tiers of violations. Which
tier is the most serious? Correct Answers Tier 1 = 24 hours (most
severe)
Tier 2= 30 days
Tier 3= 1 year
A positive E. Coli test must be reported to the primacy health agency
within what time period? Correct Answers 24 hours
How is the required number of monthly bacteriological samples
determined? Correct Answers Population served
What is the action level for lead in first-draw samples taken from
customer taps? Correct Answers 0.015 mg/L
A water system is designated a community public water system if it
serves how many homes? Correct Answers 15 or more
, What authority provides specific water sampling instructions? Correct
Answers The state primacy agency
According to the Lead and Copper Rule, what is the action level for
lead? Correct Answers 0.015 mg/L
Head is measured in Correct Answers Feet
A plat is Correct Answers a map
At which time of the day is the age of the water stored in the distribution
system the highest? Correct Answers Early morning
Water mains should primarily be sized based on Correct Answers
adequate fire flow at an appropriate pressure
The most desirable residential pressure ranges from Correct Answers 50
to 75 psi (345 to 517kPa)
Domestic water use includes water that is supplied to residential areas,
____________, and institutional facilities. Correct Answers commercial
districts
Riparian doctrine is sometimes called the "rule of Correct Answers
reasonable sharing."
