If any member of the Service finds any mosquito in its aquatic stages in any water or in any receptacle containing water, he or she shall, according to his or her judgment and the circumstances of the case—
(a) apply the larvicide used by the Service; or
(b) require the occupier of the premises to stock the water with larvivorous fish of a species approved by the Chief Officer; or
(c) render the receptacle, if it be of little or no commercial value, incapable of holding water.