Open covers carefully, check inlet and outlet baffles and tees, document fractures or deterioration

https://fair-wiki.win/index.php/The_Property_owner%27s_Guide_to_Spending_plan_Septic_System_Emptying_and_Upkeep

Open covers carefully, check inlet and outlet baffles and tees, document fractures or corrosion, and repair seals to stop groundwater intrusion and exfiltration that can overload the drainfield.