Open lids thoroughly, check inlet and outlet baffles and tees, document fractures or rust

https://wiki-spirit.win/index.php/Budget-friendly_Septic_Tank_Pumping_Services:_Dependable_Care_for_Your_Home

Open covers thoroughly, check inlet and outlet baffles and tees, file cracks or corrosion, and repair seals to stop groundwater invasion and exfiltration that can overload the drainfield.