Make the first conversation useful.
- Ask which DEQ aerobic installer row supports the work.
- Confirm installation or replacement scope for this property.
- Ask which approvals and inspections apply before work starts.
The two-year rule: For a newly installed aerobic system, OAC 252:641-10-3 assigns the first two years of maintenance to the installer at no additional cost to the owner. After that, the owner maintains it or hires someone.