Sec. 4. (a) Before a local health department may act on an application for a residential onsite sewage system permit, the local health department shall inform the applicant whether the property is located in the service district of a regional sewage district.
(b) An employee of a local health department may conduct an onsite soil evaluation concerning the repair or replacement of a failed residential onsite sewage system if:
(1) the employee was hired by the local health department before January 1, 2013;
(2) the local health board has determined that the employee has the necessary knowledge of the principles of soil science as acquired by professional education;
(3) the employee uses guidelines set forth in the soil manuals, technical bulletins, and handbooks of the Natural Resources Conservation Service of the United States Department of Agriculture; and
(4) the employee files a written report with the local health department for each onsite soil evaluation conducted by the employee.