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        True or False?

1. Wellhead Protection has proven to be an effective method of protecting public wells from contamination
   that can result from land use activities.
   
   a. True b. False
    

2. In Minnesota there are two basic methods of well construction that are used, the cable tool method
   and the mud rotary method.
   
   a. True b. False
   
   Multiple Choice:
    

3. What can poorly constructed wells do to aquifers and the water source?
   
   a. Contaminate b. Let the aquifer breathe c. Open a hole for fossil exploration d. None of the above
    

4. What should be considered while deciding on a well site?  The location and proximity to what?
   
   a. Existing water tower and treatment plants c. Public school d. None of the above b. The mayors house
    

5. The well should also be located in an area that will not be contaminated by an identifiable source.
   Things that should be investigated would include?
   
   a. Contour of the land b. Porosity of the soil c. Rock formations d. All of the above
    

6. To whom should a well construction plan be submitted to before well construction?
   
   a. Land owner b. Minnesota Pollution Control Agency c. Environmental Protection Agency d. Minnesota Department of Health
    

7. The well must be constructed by a _______  in accordance with the Minnesota’s Water Well Code.
   
   a. The chief water operator b. Minnesota Department of Health c. Minnesota Water Well Association d. A licensed well contractor
    

8. What is a sieve-like device that has holes or other openings small enough to allow water to pass into
   the well, but large enough to keep sediment out of the well.
   
   a. Strainer b. Trap c. Percolator d. Well screen
    

9. What is the most common well drilling method used for larger diameter municipal wells in Minnesota?
   
   a. Mud rotary b. Air drive c. Cable tool d. Variable Speed Drive
    

10. The large majority of the well screens in the bottom of the wells are made of what type of material?
    
    a. Stainless steel b. Galvanized steel c. PVC d. Rubber
     

11. What are the size of the openings on a well screen called?
    
    a. Permeable penetration b. Granular grate c. Slot size d. Sieve size
     

12. In an artificial gravel-pack well, the formation material around the well screen is?
    
    a. Removed and replaced by coarser material b. Removed and replaced with sharp irregular shaped stones c. Removed and replaced with limestone d. All of the above
     

13. Grouting of a well refers to what?
    
    a. Filling or sealing the outside of the casing to prevent contamination b. Seal the well completely c. Finish the cement flooring around the well so it slopes away d. Place pea sized rock around the well for proper drainage
     

14. Who keeps track of all the well records in the state of Minnesota?
    
    a. Minnesota Department of Health b. Minnesota Pollution Control Agency c. Minnesota Well Record Department d. Minnesota Geological Survey or MGS at the Univ of MN
     

15. The Minnesota Water Well Construction Code requires licensed well contractors to submit a well
    record within 30 days of construction of a new well.  What should the record include?
    
    a. Geology and depth b. Diameter and drawdown c. Casting schedule d. All of the above
     

16. The well construction rules require that a water sample be taken and tested for what two things?
    
    a. Sand and gravel b. Harness and corrosiveness c. Percolation and rock formation d. Bacteria and nitrates
     

17. The Minnesota Department of Health provides well contractors with a metal identification label. 
    What is stamped/labeled on or attached to the well casing or pump pedestal? 
    
    a. Minnesota Unique Well Number b. The pipe size and diameter c. The date of the well driling d. The well contractors ID number
    
    Name: 
    
    Title:    
    
    Address/Employer: 
    
    E-mail Address:      
    
    Additional Comments: