Grade 1 Water Distribution Study Questions
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Which agency sets legal limits on the B
concentration levels of harmful
contaminants in potable water
distributed to customers?
a. National Primary Drinking Water
Regulations Agency
b. US EPA
c. US Public Health Service
d. Occupational Health and Safety
Administration
The number of monthly distribution c
system bacteriological samples
required is
a. based on the water withdrawal
permit limit
b. based on the system size
c. based on population served
d. different for each state
What is the maximum contaminant .08
level for TTHM in the united states?
,Under the Surface Water Treatment a
Rule, disinfection residuals must be
collected at the same location in the
distribution system as?
a. coliform samples
b. total tthms
c. disinfection by products
d. alkalinity, conductivity, and pH for
corrosion studies
Iron can cause "red water" and thus d
customer complaints when its
concentration is above its secondary
maximum contaminant level of:
a.) 0.01 mg/L
b.) 0.05 mg/L
c.) 0.10 mg/L
d.) 0.30 mg/L
, The goal of the Surface Drinking a
Water Act is for each ________ to accept
primary enforcement responsibility
(primacy) for the operation of the
state's drinking water program.
a. state
b. water treatment plant
c. operator
d. municipality
What is the objective of the Total d
Coliform Rule?
a. to provide Cryptosporidium
protection in new facilities
b. to ensure safe levels of lead and
copper
c. to protect the public from
exposure to giardia lamblia and
crypto
d. to promote routine surveillance on
system water quality to search for
fecal matter and/or disease-causing
bacteria
Which agency sets standards on USEPA
concentration levels of harmful
contaminants in drinking water?
Explain the difference between the Tier 1 is an acuty MCL violation requiring public
different tiers of violations. Which notification within 24 hrs. Tier 2 notification must
one is the most serious? occur within 30 days. Tier 3 require notification
within 1 year.
Leave the first rating
Save
Terms in this set (217) Hide definitions
Which agency sets legal limits on the B
concentration levels of harmful
contaminants in potable water
distributed to customers?
a. National Primary Drinking Water
Regulations Agency
b. US EPA
c. US Public Health Service
d. Occupational Health and Safety
Administration
The number of monthly distribution c
system bacteriological samples
required is
a. based on the water withdrawal
permit limit
b. based on the system size
c. based on population served
d. different for each state
What is the maximum contaminant .08
level for TTHM in the united states?
,Under the Surface Water Treatment a
Rule, disinfection residuals must be
collected at the same location in the
distribution system as?
a. coliform samples
b. total tthms
c. disinfection by products
d. alkalinity, conductivity, and pH for
corrosion studies
Iron can cause "red water" and thus d
customer complaints when its
concentration is above its secondary
maximum contaminant level of:
a.) 0.01 mg/L
b.) 0.05 mg/L
c.) 0.10 mg/L
d.) 0.30 mg/L
, The goal of the Surface Drinking a
Water Act is for each ________ to accept
primary enforcement responsibility
(primacy) for the operation of the
state's drinking water program.
a. state
b. water treatment plant
c. operator
d. municipality
What is the objective of the Total d
Coliform Rule?
a. to provide Cryptosporidium
protection in new facilities
b. to ensure safe levels of lead and
copper
c. to protect the public from
exposure to giardia lamblia and
crypto
d. to promote routine surveillance on
system water quality to search for
fecal matter and/or disease-causing
bacteria
Which agency sets standards on USEPA
concentration levels of harmful
contaminants in drinking water?
Explain the difference between the Tier 1 is an acuty MCL violation requiring public
different tiers of violations. Which notification within 24 hrs. Tier 2 notification must
one is the most serious? occur within 30 days. Tier 3 require notification
within 1 year.
