AWWA ABC Water Distribution Grades 1 & 2
Study online at https://quizlet.com/_5zh5nx
1. Which agency sets legal limits on the con- US Environmental Protection Agency
centration levels of harmful contaminants in
potable water distributed to customers?
2. The number of monthly distributions system Based on the population served
bacteriologiacal samples required is
3. What is the maximum contaminant level for 0.080 mg/L
total trihalomethanes (TTHM) in the united
States?
4. Under the Surface Water Treatment Rule, dis- coliform samples
infection residuals must be collected at the
same location in the distribution system as
5. Iron can cause "red water" and thus customer 0.30 mg/L
complaints when its concentration is above its
secondary maximum contaminant level of
6. The goal of the Surface Drinking Water Act is State
for each ________ to accept primary enforce-
ment responsibility (primacy) for the opera-
tion of the state's drinking water program.
7. What is the objective of Total Coliform Rule? To promote routine surveillance of
distribution system water quality to
search for fecal matter and/or dis-
ease-causing bacteria
8. Which agency sets standards on the con- EPA
centration levels of harmful contaminants in
drinking water?
, AWWA ABC Water Distribution Grades 1 & 2
Study online at https://quizlet.com/_5zh5nx
9. Explain the difference between the different Tier 1 = 24 hours (most severe)
tiers of violations. Which tier is the most seri- Tier 2= 30 days
ous? Tier 3= 1 year
10. A positive E. Coli test must be reported to 24 hours
the primacy health agency within what time
period?
11. How is the required number of monthly bac- Population served
teriological samples determined?
12. What is the action level for lead in first-draw 0.015 mg/L
samples taken from customer taps?
13. A water system is designated a community 15 or more
public water system if it serves how many
homes?
14. What authority provides specific water sam- The state primacy agency
pling instructions?
15. According to the Lead and Copper Rule, what 0.015 mg/L
is the action level for lead?
16. Head is measured in Feet
17. A plat is a map
18. At which time of the day is the age of the water Early morning
stored in the distribution system the highest?
19. Water mains should primarily be sized based adequate fire flow at an appropriate
on pressure
Study online at https://quizlet.com/_5zh5nx
1. Which agency sets legal limits on the con- US Environmental Protection Agency
centration levels of harmful contaminants in
potable water distributed to customers?
2. The number of monthly distributions system Based on the population served
bacteriologiacal samples required is
3. What is the maximum contaminant level for 0.080 mg/L
total trihalomethanes (TTHM) in the united
States?
4. Under the Surface Water Treatment Rule, dis- coliform samples
infection residuals must be collected at the
same location in the distribution system as
5. Iron can cause "red water" and thus customer 0.30 mg/L
complaints when its concentration is above its
secondary maximum contaminant level of
6. The goal of the Surface Drinking Water Act is State
for each ________ to accept primary enforce-
ment responsibility (primacy) for the opera-
tion of the state's drinking water program.
7. What is the objective of Total Coliform Rule? To promote routine surveillance of
distribution system water quality to
search for fecal matter and/or dis-
ease-causing bacteria
8. Which agency sets standards on the con- EPA
centration levels of harmful contaminants in
drinking water?
, AWWA ABC Water Distribution Grades 1 & 2
Study online at https://quizlet.com/_5zh5nx
9. Explain the difference between the different Tier 1 = 24 hours (most severe)
tiers of violations. Which tier is the most seri- Tier 2= 30 days
ous? Tier 3= 1 year
10. A positive E. Coli test must be reported to 24 hours
the primacy health agency within what time
period?
11. How is the required number of monthly bac- Population served
teriological samples determined?
12. What is the action level for lead in first-draw 0.015 mg/L
samples taken from customer taps?
13. A water system is designated a community 15 or more
public water system if it serves how many
homes?
14. What authority provides specific water sam- The state primacy agency
pling instructions?
15. According to the Lead and Copper Rule, what 0.015 mg/L
is the action level for lead?
16. Head is measured in Feet
17. A plat is a map
18. At which time of the day is the age of the water Early morning
stored in the distribution system the highest?
19. Water mains should primarily be sized based adequate fire flow at an appropriate
on pressure
