FlexiQuiz - WELL CONTRACTORS CERTIFICATION CONSTRUCTION STANDARDS QUIZ1

A well may be permanently abandoned when the following occurs:

Owner allows non owner to service well

Owner maintains the well

Becomes a source of contamination to groundwater supply

All of the above

When a well is used for dewatering, what is the required time frame the well must be permanently abandoned once dewatering has finished

5 days or less

10 days or less

30 days or less

60 days or less

When a repair is performed on a well the following must be adhered to:

Wellhead must remain at least 12 inches above surface

The grout removed must be replaced

All materials used in repair must be approved

All of the above

Regardless of the method of well construction and type of pump to be installed, the top of the casing should be terminated at least ______ inches above land surface

6 in

8 in

10 in

12 in

After chlorination, how long should the well be pumped before placing the well back into use:

Chlorine tested at 50ppm in water

Until water changes color

When water changes temperature

No detectable chlorine is found