How Long Does a Septic Leach Field Last?
How Long Should a Septic Tank Leach Field Last?
The lifespan of a septic tank leach field can vary due to many factors. A well-built and well-maintained leach field should last 20-25 years. It may last for 50 years or longer. A leach field could outlast multiple owners of a house or property.
Events such as natural disasters and catastrophic weather can suddenly damage leach fields. Neglect or other man-caused issues can damage and shorten the life of a leach field and septic system.