Secure the drainfield by diverting roofing overflow, avoiding automobile loads
https://magic-wiki.win/index.php/The_Property_owner%27s_Guide_to_Budget_Sewage-disposal_Tank_Emptying_and_Maintenance
Protect the drainfield by diverting roof overflow, avoiding lorry loads, and repairing leaks; balanced bacterial activity and controlled flow prevent solids carryover and extend system life-span.