GY LEARNSMART CHAPTER 13 WATER RESOURCES GROUNDWATER AQUIFERS WELLS AND CONTAMINATION QUESTIONS AND ANSWERS

GY LEARNSMART CHAPTER 13 WATER

RESOURCES GROUNDWATER AQUIFERS

WELLS AND CONTAMINATION QUESTIONS

AND ANSWERS




When contamination enters groundwater, it moves along

with the direction of the groundwater. As it spreads out,

the contamination takes on a particular shape called a

___. - CORRECT ANSWERS -plume



Rank the following steps in order from first detection of

chromium in a groundwater sample, at the top, to its

remediation, at the bottom. - CORRECT ANSWERS -1.

,Determine the geology of the site, the water-table depth,

and the direction of the flow of groundwater.

2. Drill additional wells for sampling of the groundwater

for confirmation.

3. Drill wells in front of the plume of contamination and

extract contaminated groundwater.

4. Process contaminated groundwater.



If groundwater is removed from an aquifer by over

pumping, a cone of ___ will form. - CORRECT

ANSWERS -depression



The U.S. Environmental Protection Agency establishes

drinking water standards to ___. - CORRECT ANSWERS

, -set a safe limit on the concentration of select

contaminants in water.



Select geologic settings where springs commonly occur.

(Select all that apply.) - CORRECT ANSWERS -Faults;

Limestone aquifers; Unconformities



Which of the following are characteristics of the Ogallala

aquifer? (Select all that apply.) - CORRECT ANSWERS -

The western part is expected to be totally depleted by

2050; It has been overpumped; It is an unconfined

aquifer.



Select one of the following for which the U.S.

Environmental Protection Agency drinking-water