What are the Components of a Private Septic System?

The things that are most obvious are the things seen every day - the sinks, toilets, and pipes in a normal house. What are not visible are the things that are underground; the things that are underground, and the ground itself, greatly impact how a septic system works.

The individual parts of the system are the septic tank, a distribution box, and a leach field. Bacterial action takes place in the septic tank where the end products are mainly water, gases, and undigested material, called sludge that sinks to the bottom of the tank and scum that floats to the top of the tank.

The septic tank contains baffles that prevent any scum that floats to the surface and sludge that settles to the bottom from passing out of the tank that can prematurely fail a leach field. The gases that are generated vent to the atmosphere via the plumbing vent system. From the septic tank, the segregated and relatively clear liquid or effluent flows into the leach field where a distribution box evenly distributes into the perforated pipes which filters into the soil.

These perforated pipes then deliver the liquid to a large soil surface area, called a leach field, or absorption field, for absorption.

Why is pumping out your septic tank important?

  1. A septic system is a vital part of our rural households. However, it is part of a houshold that is often forgotten; Out of sight, out of mind. It is where all the waste water your family generates is collected, processed and disposed of. It needs periodic maintenance just like other parts of your house for optimal function.

  2. Over time solids can build up and cause either a back up inside the house or shorten the life span of your leach field.

  3. Pumping every 2-3 years removes the built up solids to prevent back ups and avoid solids from leaving the tank and clogging the pipes of the leach field. The cost to replace your leach field can now run $8,000 - $10,000 or more!

We are located in Loudon, NH and serving the Concord, NH Area 

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