MOE Well Record Website Search (search for your well record online)

Some 2003 and 2011 instructions for shocking or disinfecting your well.  Great tips from the 2003 version.
This process can be especially helpful if a well has been unused for some time.
This process can be more difficult if your well is not accessible (e.g.: capped below grade.) Many plumbers also offer the service of shocking a well.

Disinfect Your Well – EOHU – 2003

Disinfect Your Well – EOHU – 2011