Indiana Code Title 16. Health § 16-41-25-10

Sec. 10. (a) Neither an officer or employee of a local health department nor another agency, officer, or employee of a county, city, or town may enter property on which a residential onsite sewage system is located for the purpose of inspecting the residential onsite sewage system if, not more than one hundred eighty (180) days before the date of the inspection, the owner or occupant of the residence served by the residential onsite sewage system and:

state in a writing transmitted to the local health department, county, city, or town that the residential onsite sewage system is functioning properly.

(b) Subject to subsection (d), if subsection (a) does not apply, an officer or employee of a local health department or another officer or employee of a county, city, or town may not enter property on which a residential onsite sewage system is located for the purpose of inspecting the residential onsite sewage system unless the owner or occupant of the residence served by the residential onsite sewage system is given notice of the inspection by first class mail addressed to the residence at least seven (7) days before the day of the inspection.

(c) Subject to subsection (d), an officer or employee of a local health department may inspect residential onsite sewage systems and nonresidential onsite sewage systems (as defined in IC 16-19-3.5-3.5):

(d) An advance notice to the owner or occupant of the residence is not required under subsection (b) in an urgent situation caused by a malfunction of the residential onsite sewage system that creates a clear and immediate danger to the public's health, safety, or property.

(e) This section shall not be interpreted as prohibiting or restricting the periodic:

of an onsite residential sewage discharging disposal system (as defined in IC 13-11-2-144.7).