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

https://wiki-spirit.win/index.php/From_Clogs_to_Clear_Lines:_Just_How_Hydro-Jetting_Enriches_Septic_Tank_Maintenance

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