NGWA - Introduction to Groundwater Monitoring ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Exam with verified detailed solutions ||\\//|| ||\\//|| ||\\//|| ||\\//||
Define aquifer - correct answer✔✔saturated geologic unit that can store transmit and yield
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
groundwater in sufficient quantity to constitute a usable supply ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
What is the upper boundary in an unconfined aquifer - correct answer✔✔water table
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
What is the lower boundary in an unconfined aquifer - correct answer✔✔impervious layer
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
What is the potentiometric surface - correct answer✔✔the height the water could potentially rise
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
to if the confined aquifer is tapped by a well
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
When do flowing artesian conditions occur - correct answer✔✔when the potentiometric surface is
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
above the top of the well casing ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Wells must be constructed and installed properly to permit accurate measurement of what three
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
things - correct answer✔✔Groundwater elevation, in-situ hydraulic conductivity testing and
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
aquifer testing ||\\//||
Stainless steel, corrugated galvanized steel, PVC pipe, and concrete - correct answer✔✔What are
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
four types of casing materials
||\\//|| ||\\//|| ||\\//|| ||\\//||
What is the size of the outer diameter for the casing of a drilled well - correct answer✔✔5 to 6
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inches
What is the size of the outer diameter for the casing of a bored well - correct answer✔✔24 to 48
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inches
, What is the maximum installation depth of a groundwater well - correct answer✔✔300m
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Horizontal hydraulic conductivity is determined by conducting what test - correct answer✔✔slug ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
test
Name three unconsolidated surficial deposits - correct answer✔✔colluvial, fluvial,lacustrine
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Describe glaciolacustrine - correct answer✔✔fine-grained sediments deposited in glacial lakes
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Describe glaciofluvial - correct answer✔✔deposited by glacial melt water channels
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
What is a nested piezometer - correct answer✔✔multiple piezometers installed side by side with
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
screens or intakes set at different depths ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
What are nested piezometers used to determine - correct answer✔✔Vertical hydraulic gradient
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
The upper boundary of the unconfined aquifer is at ___ pressure - correct answer✔✔atmospheric
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Recharge of an aquifer occurs from what type of water movement - correct answer✔✔Percolation
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
What type of formation does not contain water - correct answer✔✔Aquifuge
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Of the type of formations that contain water which one has the lowest permeability - correct
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
answer✔✔Aquiclude
Name two objectives of GW level monitoring - correct answer✔✔assessing depth to water level,
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
detecting impact of GW recharge and discharge ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Exam with verified detailed solutions ||\\//|| ||\\//|| ||\\//|| ||\\//||
Define aquifer - correct answer✔✔saturated geologic unit that can store transmit and yield
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
groundwater in sufficient quantity to constitute a usable supply ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
What is the upper boundary in an unconfined aquifer - correct answer✔✔water table
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
What is the lower boundary in an unconfined aquifer - correct answer✔✔impervious layer
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
What is the potentiometric surface - correct answer✔✔the height the water could potentially rise
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
to if the confined aquifer is tapped by a well
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
When do flowing artesian conditions occur - correct answer✔✔when the potentiometric surface is
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
above the top of the well casing ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Wells must be constructed and installed properly to permit accurate measurement of what three
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
things - correct answer✔✔Groundwater elevation, in-situ hydraulic conductivity testing and
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
aquifer testing ||\\//||
Stainless steel, corrugated galvanized steel, PVC pipe, and concrete - correct answer✔✔What are
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
four types of casing materials
||\\//|| ||\\//|| ||\\//|| ||\\//||
What is the size of the outer diameter for the casing of a drilled well - correct answer✔✔5 to 6
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
inches
What is the size of the outer diameter for the casing of a bored well - correct answer✔✔24 to 48
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
inches
, What is the maximum installation depth of a groundwater well - correct answer✔✔300m
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Horizontal hydraulic conductivity is determined by conducting what test - correct answer✔✔slug ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
test
Name three unconsolidated surficial deposits - correct answer✔✔colluvial, fluvial,lacustrine
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Describe glaciolacustrine - correct answer✔✔fine-grained sediments deposited in glacial lakes
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Describe glaciofluvial - correct answer✔✔deposited by glacial melt water channels
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
What is a nested piezometer - correct answer✔✔multiple piezometers installed side by side with
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
screens or intakes set at different depths ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
What are nested piezometers used to determine - correct answer✔✔Vertical hydraulic gradient
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
The upper boundary of the unconfined aquifer is at ___ pressure - correct answer✔✔atmospheric
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Recharge of an aquifer occurs from what type of water movement - correct answer✔✔Percolation
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
What type of formation does not contain water - correct answer✔✔Aquifuge
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Of the type of formations that contain water which one has the lowest permeability - correct
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
answer✔✔Aquiclude
Name two objectives of GW level monitoring - correct answer✔✔assessing depth to water level,
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
detecting impact of GW recharge and discharge ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
