Protect the drainfield by diverting roofing overflow, preventing vehicle loads

https://atomic-wiki.win/index.php/Dependable_Septic_System_Emptying:_What_to_Expect_from_Professional_Crews

Safeguard the drainfield by diverting roof runoff, preventing automobile loads, and repairing leakages; well balanced bacterial activity and regulated flow avoid solids carryover and extend system life expectancy.