Drain Field Installation Costs. Septic tanks last from 15 to 30 years. Building a septic drain field is time consuming but pays off in the long run. The average to repair or replace your septic tank and drainfield cost is 1 547.
Although costs vary according to the size of the leach field soils and costs of local permits expect to pay between 5 000 and 20 000 for leach field replacement. The first sign of a problem with drain field is often a swampy area in the yard or an odor of sewage on the property.
Septic tanks last from 15 to 30 years.
Septic tanks last from 15 to 30 years. A drain field will flood if it gets overloaded with too much liquid causing sewage to back up in toilets and sinks. See typical tasks and time to install a drain line along with per unit costs and material requirements. In a cluster septic system each house has its own underground septic tank but they all feed into one drainfield leachfield soil absorption system.
