Versions of See prior versions of a law on LawServer 2024 Indiana Code 16-41-25-7. Local ordinances and local health department requirements for residential onsite sewage systems; more stringent requirements than those of state department’s rule prohibited after June 30, 2023 2023 Indiana Code 16-41-25-7. Local ordinances and local health department requirements for residential onsite sewage systems; more stringent requirements than those of state department’s rule prohibited after June 30, 2023 2022 Indiana Code 16-41-25-7. Local ordinances and local health department requirements for residential onsite sewage systems; more stringent requirements than those of state department’s rule prohibited after June 30, 2023