WELL CONTRACTORS CERTIFICATION CONSTRUCTION EXAM

What should be removed after the casing has been sunk to the depth at which the bottom of the screen is be set:

The following can be used for flow discharge control for artesian well:

The well identification plate must be permanently placed:

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

Any person constructing, repairing, testing, or performing maintenance or installing a pump in a water supply well shall disinfect the well upon: