Septic Repair: Common Failures and Options
PNW Septic Guide Editorial · Reviewed September 2026
Common repairs
Broken baffles, failed effluent pumps, clogged filters, damaged lids and crushed pipe are all routine repairs.
Drainfield trouble
Surfacing effluent, slow drains throughout the house and sewage odors outdoors usually point at the drainfield rather than the tank.
Repair versus replace
Permitting often decides this. A repair to an existing approved design is far simpler than a new design on a constrained lot.