AWWA ABC Water Distribution Grades 1 |\ |\ |\ |\ |\ |\
& 2 EXAM WITH ANSWERS
|\ |\ |\ |\
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
|\ |\ |\ |\ |\ |\ |\
& 2 EXAM WITH ANSWERS
|\ |\ |\ |\
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
|\ |\ |\ |\ |\ |\ |\
