Water Treatment Exam Preparation Grade 2 ( 2026-
2027) Newest Version with Complete
Questions & Accurate Answers \verified
100% Graded A+
Utilities collecting samples more frequently than annually for inorganic
contaminants determine MCL compliance by calculating a _______ at
each compliance sample point.
running annual average
A Tier _ violation poses immediate risk to public health and
requires a clear notification to the public within of
learning of the violation.
24 hours
Water systems avoiding filtration of source water must show that the
turbidity of the source water immediately before the initial point of
disinfection has not
exceeded __ NTU in __% of the samples analyzed in the previous 6 months.
5.0 NTU in 90%
, A Tier _ violation requires the water system to notify its customers as soon
as possible, but within 30 days of learning of the violation and continue
________ notifications as long as the violation persists.
quarterly
Solder or flux is considered lead free if it does not contain more than ___%
lead.
0.2%
A Tier _ violation requires the public water system to notify its customers
within 12 months of learning of the violation. This may be accomplished by
including the
violation in the __________ Report
Consumer Confidence
Repeat samples for a positive coliform sample are required to be
collected within hours.
24 hours
A water system is considered public if it has at least service
connections or
serves ____ or more persons _ or more days each year.
-15 service connections
-25 or more persons
-60 or more days each year
2027) Newest Version with Complete
Questions & Accurate Answers \verified
100% Graded A+
Utilities collecting samples more frequently than annually for inorganic
contaminants determine MCL compliance by calculating a _______ at
each compliance sample point.
running annual average
A Tier _ violation poses immediate risk to public health and
requires a clear notification to the public within of
learning of the violation.
24 hours
Water systems avoiding filtration of source water must show that the
turbidity of the source water immediately before the initial point of
disinfection has not
exceeded __ NTU in __% of the samples analyzed in the previous 6 months.
5.0 NTU in 90%
, A Tier _ violation requires the water system to notify its customers as soon
as possible, but within 30 days of learning of the violation and continue
________ notifications as long as the violation persists.
quarterly
Solder or flux is considered lead free if it does not contain more than ___%
lead.
0.2%
A Tier _ violation requires the public water system to notify its customers
within 12 months of learning of the violation. This may be accomplished by
including the
violation in the __________ Report
Consumer Confidence
Repeat samples for a positive coliform sample are required to be
collected within hours.
24 hours
A water system is considered public if it has at least service
connections or
serves ____ or more persons _ or more days each year.
-15 service connections
-25 or more persons
-60 or more days each year
