Secure the drainfield by diverting roof overflow, avoiding car loads
https://iris-wiki.win/index.php/Septic_System_Pumping_and_Upkeep:_An_Individual%27s_Step-by-Step_Quick_guide
Safeguard the drainfield by diverting roof overflow, avoiding lorry loads, and repairing leaks; balanced bacterial activity and controlled circulation prevent solids carryover and extend system life expectancy.