Practice Certification Exam for Water
Treatment questions and answers with solutions
2025/2026
Investigate immediately. - ANSWER If a consumer complains about the
drinking water characteristics, the operator should record the complaint
and
Operating ratio - ANSWER What term is used when a water utility divides
its total operating expenses into the total revenue?
Daily - ANSWER How often should operating data, such as flow rate,
amount of water treated, dosage of chemical, and reservoir levels be
recorded?
Document that safe drinking water has been delivered to customers -
ANSWER Which of the following is the most important reason to keep
daily records of operational data?
Consumer's tap inside the home. - ANSWER Under the requirements of
the Safe Drinking Water Act, it is the duty of the water purveyor to
deliver potable water of proper quantity only as far as the
, 15 service connections or over 25 persons for over 60 days a year. -
ANSWER According to the Safe Drinking Water Act, the basic definition
of a public water supply system is any water system that supplies water
for human consumption that serves
Water system owner - ANSWER What agent is responsible for for
reporting lab results to the regulatory agency?
3 months of the violation in a daily newspaper in the area served by the
system. - ANSWER According to the USEPA drinking water regulations,
the owner or operator of a public water system which fails to comply
with applicable monitoring requirements must give notice to the public
within
OSHA - ANSWER What federal law is designed to protect the safety and
health of operators?
Safe Drinking Water Act - ANSWER What federal law regulates public
water supplies?
Gravity - ANSWER What causes water to move through pores in soil and
rocks?
Coliform bacteria - ANSWER What is commonly used indicator of
possible health problems found in plants, soil, water and the intestines
of humans and warm-blooded animals?
Treatment questions and answers with solutions
2025/2026
Investigate immediately. - ANSWER If a consumer complains about the
drinking water characteristics, the operator should record the complaint
and
Operating ratio - ANSWER What term is used when a water utility divides
its total operating expenses into the total revenue?
Daily - ANSWER How often should operating data, such as flow rate,
amount of water treated, dosage of chemical, and reservoir levels be
recorded?
Document that safe drinking water has been delivered to customers -
ANSWER Which of the following is the most important reason to keep
daily records of operational data?
Consumer's tap inside the home. - ANSWER Under the requirements of
the Safe Drinking Water Act, it is the duty of the water purveyor to
deliver potable water of proper quantity only as far as the
, 15 service connections or over 25 persons for over 60 days a year. -
ANSWER According to the Safe Drinking Water Act, the basic definition
of a public water supply system is any water system that supplies water
for human consumption that serves
Water system owner - ANSWER What agent is responsible for for
reporting lab results to the regulatory agency?
3 months of the violation in a daily newspaper in the area served by the
system. - ANSWER According to the USEPA drinking water regulations,
the owner or operator of a public water system which fails to comply
with applicable monitoring requirements must give notice to the public
within
OSHA - ANSWER What federal law is designed to protect the safety and
health of operators?
Safe Drinking Water Act - ANSWER What federal law regulates public
water supplies?
Gravity - ANSWER What causes water to move through pores in soil and
rocks?
Coliform bacteria - ANSWER What is commonly used indicator of
possible health problems found in plants, soil, water and the intestines
of humans and warm-blooded animals?
