No person shall maintain any privy vault, catch basin, or other receptacle for sanitary
or domestic sewage, barnyard, pig sty, hen coop, hog wallow, garbage heap or dump,
or rubbish heap or dump within one hundred and fifty feet of any watercourse from
which the city takes water for its water supply above the intake of any city water
filtration plant or within one hundred fifty feet of the high water mark in any ravine,
run, swale, draw, sinkhole, stream, ditch, or other watercourse, whereby water may
flow directly or indirectly, permanently or at intervals, into any such watercourse
from which the city takes water above the intake of any such plant; provided, that
this section shall not apply to the maintenance of any privy vault, catch basin or
other receptacle for sanitary or domestic sewage or of any barnyard, pig sty, hen
coop, hog wallow, garbage heap or rubbish heap, from which no filthy or unsanitary
matter can drain or flow into such stream above the intake of such plant, or into
any ravine, run, swale, draw, sinkhole, stream, ditch or other watercourse, whereby
such matter may be drained or may flow into any such watercourse above the intake
of such plant and the Director of Public Utilities of such city finds such to be the
fact; provided further that this section shall apply outside the corporate limits
only in those areas in which the city may now or hereafter be authorized by law to
regulate.