Direct answer
In Ohio you must disclose system type, age, and last-pump date. Most lenders require an inspection within 90 days of closing showing the system is functional. Some require pumping at sale.
Authoritative sources
- US EPA SepticSmart ↗
EPA-recommended pumping schedules and inspection cadence for residential septic systems.
- Hamilton County Public Health ↗
County health department oversight of septic permits and inspections in Hamilton County, OH.
- Warren County Combined Health District ↗
Permit authority for septic installation and replacement in Warren County, OH.
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