On any farm operation, the farm operator, or when workers are furnished by a farm labor contractor, the farm labor contractor, shall provide and maintain at least one (1) toilet facility in a clean and sanitary condition for every forty (40) workers, or fraction thereof, within a reasonable distance of where the workers are working. For farm operations employing fewer than forty (40) workers, at least one (1) toilet facility shall be provided.
Idaho Code § 44-1903