Exam 2026|2027 Actual Complete Real Exam Questions And Correct
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Disinfection -ANSWER-New wells and wells that produce
bacteriologically unsafe water should be disinfected.
For severe bacterial infestations perhaps involving a biofilm, like an iron
or sulfate reducing bacterial slime. -ANSWER-Approaches include a
more concentrated chlorine solution, measures to control the pH of the
solution, or the addition of salt (NaCl) or other department approved
products.
Sometimes it is also necessary to revert to physical rehabilitation
methods such as scrubbing the inside of the well with a brush or using a
surge block to help remove slime or mineral buildup that can harbor
the bacteria.
Sanitary condition definition -ANSWER-Construction that protects a
water source from surface contamination and the area surrounding the
water source are free of debris and filth and the water source must not
be subject to flooding. Both the general and the code definition are
standard practice for pump installation activities
Examples of an unsanitary condition -ANSWER-A pumphouse that
contains rodent droppings and nesting debris
, Dirt picked up on a well pump and riser pipe caused by lying the
components directly on the ground prior to installing them in the well.
Example of a sanitary pumphouse -ANSWER-One that has no storage
items, is painted with a washable surface paint in clean condition and
has watertight crack -free clean flooring.
Four types of Wisconsin aquifers -ANSWER-Sand and Gravel
Eastern Dolomite
Sandstone and Dolomite
Crystalline Bedrock
Sand and Gravel Aquifer -ANSWER-The sand and gravel aquifers of
Wisconsin were formed mainly from glacial outwash. They are not
uniform throughout the state, but they can be found in nearly all the
Wisconsin counties, especially in river valleys.
Eastern Dolomite Aquifer -ANSWER-This aquifer is on the eastern side
of the state and is formed of the upper most and youngest dolomite
rocks in the state. It is also known as the Silurian aquifer or the
Niagaran aquifer. This aquifer extends from Door county in the north all
the way to the Illinois/Wisconsin state line.
Sandstone and Dolomite Aquifer -ANSWER-This aquifer is also known as
the Cambrian aquifer or the Cambrian-Ordovician aquifer. This aquifer