Whenever the Board shall have satisfactory evidence that any
well, the water of which is used for domestic purposes, has become
polluted and rendered unsafe for potable use, notice to discontinue
the use of the polluted water shall be sent to the owner or party
in charge of the well, and at the discretion of the Board, the owner
or party in charge of the well may be ordered, in writing, to close,
full up or withdraw from the ground the well. Every well which is
used for domestic purposes shall be at least 40 feet distant from
every privy vault, catch basin, cesspool, manure vault and horse stable.