INDIANA WATER
OPERATOR
CERTIFICATION EXAM
(2024) QUESTIONS &
ANSWERS SCORED A+
INDIANA WATER OPERATOR
Evatee 9/22/24 INDIANA WATER OPERATOR
,INDIANA WATER OPERATOR CERTIFICATION
EXAM (2024) QUESTIONS & ANSWERS
SCORED A+
The Safe Drinking Water Act was adopted in 1974 to protect? Answer - Both
ground and surface drinking water
EPA allows the State of Indiana to administer and enforce drinking water
regulations because:
A. Indiana has applied for Primacy from EPA
B. Indiana has been granted Primacy by EPA
C. Indiana's regulations are at least as stringent as federal regulations
D. All of the above Answer - D. All of the above
A factory provides drinking water from its well for 35 employees Monday
through Friday most weeks of the year. What kind of public water supply is it?
A. Community
B. Non-community
C. Non-transient Non-community
D. None of the above Answer - C. Non-transient Non-community
A community of 1,500 people pumps water directly from 2 wells into a 25,000-
gallon standpipe. How would IDEM classify the distribution system?
A. DSS
,B. DSM
C. DSL
D. WT-6 Answer - A. DSS
A community of 1,500 people pumps water directly from 2 wells into a 25,000-
gallon stand pipe decides to add Chlorine for disinfection of its water. How
would IDEM classify the water treatment system?
A. WT1
B. WT2
C. WT5
D. DSS Answer - B. WT2
How does an operator become an operator-in-responsible-charge?
A. The operator petitions the Commissioner of IDEM
B. The operator is designated by the owner or governing body of a water
treatment plant or water distribution system
C. The operator is appointed by the IDEM field inspector
D. None of the above Answer - B. The operator is designated by the owner or
governing body of a water treatment plant or water distribution system
An Operator-in-Training (OIT) may serve as operator in responsible charge.
A. True
B. False Answer - B. False
A grandparented operator must fulfill the same continuing education
requirements as an operator who has received certification by examination.
A. True
B. False Answer - A. True
, Wellhead protection is mandatory for which type of public water system?
A. Community
B. Noncommunity
C. Both of the above
D. None of the above Answer - A. Community
IDEM will issue a Notice of Violation if a water system operator, or other
official, contacts the agency too frequently.
A. True
B. False Answer - B. False
What is the minimum number of coliform samples all water systems must
collect each month?
A. 1
B. 2
C. 3
D. 4 Answer - A. 1
A foot of head (water height) produces how many pounds per square inch of
pressure?
A. .4333
B. 2.574
C. 3.141
D. 5.333 Answer - A. .4333
Pressure tanks should be sized to avoid excessive pump cycling.
OPERATOR
CERTIFICATION EXAM
(2024) QUESTIONS &
ANSWERS SCORED A+
INDIANA WATER OPERATOR
Evatee 9/22/24 INDIANA WATER OPERATOR
,INDIANA WATER OPERATOR CERTIFICATION
EXAM (2024) QUESTIONS & ANSWERS
SCORED A+
The Safe Drinking Water Act was adopted in 1974 to protect? Answer - Both
ground and surface drinking water
EPA allows the State of Indiana to administer and enforce drinking water
regulations because:
A. Indiana has applied for Primacy from EPA
B. Indiana has been granted Primacy by EPA
C. Indiana's regulations are at least as stringent as federal regulations
D. All of the above Answer - D. All of the above
A factory provides drinking water from its well for 35 employees Monday
through Friday most weeks of the year. What kind of public water supply is it?
A. Community
B. Non-community
C. Non-transient Non-community
D. None of the above Answer - C. Non-transient Non-community
A community of 1,500 people pumps water directly from 2 wells into a 25,000-
gallon standpipe. How would IDEM classify the distribution system?
A. DSS
,B. DSM
C. DSL
D. WT-6 Answer - A. DSS
A community of 1,500 people pumps water directly from 2 wells into a 25,000-
gallon stand pipe decides to add Chlorine for disinfection of its water. How
would IDEM classify the water treatment system?
A. WT1
B. WT2
C. WT5
D. DSS Answer - B. WT2
How does an operator become an operator-in-responsible-charge?
A. The operator petitions the Commissioner of IDEM
B. The operator is designated by the owner or governing body of a water
treatment plant or water distribution system
C. The operator is appointed by the IDEM field inspector
D. None of the above Answer - B. The operator is designated by the owner or
governing body of a water treatment plant or water distribution system
An Operator-in-Training (OIT) may serve as operator in responsible charge.
A. True
B. False Answer - B. False
A grandparented operator must fulfill the same continuing education
requirements as an operator who has received certification by examination.
A. True
B. False Answer - A. True
, Wellhead protection is mandatory for which type of public water system?
A. Community
B. Noncommunity
C. Both of the above
D. None of the above Answer - A. Community
IDEM will issue a Notice of Violation if a water system operator, or other
official, contacts the agency too frequently.
A. True
B. False Answer - B. False
What is the minimum number of coliform samples all water systems must
collect each month?
A. 1
B. 2
C. 3
D. 4 Answer - A. 1
A foot of head (water height) produces how many pounds per square inch of
pressure?
A. .4333
B. 2.574
C. 3.141
D. 5.333 Answer - A. .4333
Pressure tanks should be sized to avoid excessive pump cycling.
