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.