Section 366. Certain cities; commissioner of health and health officer; powers and duties

1. The commissioner of health or the  health  officer
  in  cities  having  a  population  of less than one hundred seventy-five
  thousand shall:
    (a) exercise all the powers and be charged with all the duties now  or
  hereafter  conferred upon or required of local boards of health or local
  health officers by the laws of this state so far as the same pertain  to
  cities, except as limited or extended by the provisions of this article;
  and,
    (b)  possess  such powers and perform such duties as may be prescribed
  by ordinance of the common council or similar legislative  authority  by
  this chapter or otherwise by law.