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1.  A Class E operator must complete ______ hours of continuing education every three years in order
     to renew their certificate.

       a. one b. two c. four d. ten

2.  A Class E operator must renew their certificate every _____ years.

       a. six b. twelve c. one d. three

3.  If a water supply fails to meet or comply with requirements regarding an applicable maximum
     contaminant level (MCL), the water system must:

      a. notify the newspaper b. notify the public c. shut off the well d. call a well driller

4.  The minimum physical separation that must exist between a well and a potential source of
     contamination is called:

      a. isolation distance b. a city block c. zone of influence d. well drawdown

5.  An air vent on a well should have a ______ to keep out insects.

      a. tight cover b. sanitary seal c. screen d. rubber gasket

6.  ___________ can eliminate or reduce harmful bacteria.

      a. Well maintenance b. System flushing c. Ingestion d. Disinfection

7.  Pressure tanks provide ________ for the water system.

      a. isolation distance b. storage volume c. disinfection d. legal requirements

8.  A common type of pressure tank is called:

      a. conventional b. backflow c. bladder d. combination

9.  Bacteria test results should be _________.

      a. sent to a newspaper b. kept on file c. thrown away d. given to an accountant

10.  The longest any test results from MDH have to be kept is _________ years

       a. five b. twenty-five c. two d. twelve

11.  It is recommended that water facilities be checked on a _________ basis.

       a. daily b. monthly c. yearly d. quarterly

12.  Well house doors should always be _______.

      a. shut b. open c. sealed d. locked

13.  An emergency plan usually has a list of _____________.

      a. contractors b. health department personnel c. phone numbers d. all of the above

14.  A ________ has all the information about your well when it was drilled.

      a. state permit b. water sample c. supply map d. well log

15.  It is the responsibility for each nontransient noncommunity and community water system
       to have at one _________.

      a. field inspector b. certified water operator c. approved plumber d. maintenance person

16.  What federal law regulates public water supplies?

      a. Clean Water Act b. Standard Methods c. Taft-Hartley Act d. Safe Drinking Water Act      

17.  The primary purpose of grouting the casing in a well is to:

      a. decrease water yield b. prevent contamination c. increase water yield d. decrease operating cost

18.  One source of contamination to a well is a _________.

       a. drop pipe b. pitless unit c. septic tank d. sample bottle

19.  A ______ shows the pressure in a water system.

       a. backflow preventer b. fire hydrant c. gate valve d. pressure gauge

20.  In a well, the _________ provides a connection from the groundwater to the surface.

       a. casing b. motor c. service line d. water faucet

21.  Which of these is not a component of a well?

       a. screen b. casing c. pressure tank d. drop pipe

22.  The top of a well casing for a submersible well is called a _________.

       a. frost jacket b. pressure gauge c. check valve d. well cap

23.  Water service pipe used to deliver water from a well to a building must meet the __________.

       a. Minnesota Plumbing Code b. Operating Plan c. Fire Code d. Clean Water Act

24.  A well cap should fit _________.

       a. loosely b. unlevel c. wherever possible d. tightly

25.  Inside a well cap is a ______ that helps form a secure fit on to the well casing.

       a. bond b. gasket c. yield d. form

26.  The state agency that regulates a public water system is ____________.

       a. MNDOT b. Wildlife Service c. Minnesota Department of Health d. Fire Marshal

27.  When modifications are made to a water system, a ______ is needed.

       a. plan review b. environmental review c. operations plan d. emergency plan

28.  It is recommended that all _____________ be kept on file.

       a. dental records b. visitor records c. vacation plans d. maintenance records

29.  A Class E applicant must have at least _____________ of experience in operation of a Class
       A, B, C, D, or E system.

       a. three months b. three years c. one week d. six years

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