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Common Causes of Septic Drain Field Failure and Repair Solutions

A septic system is an integral part of your home that you need daily. The last, but most important component of this underground system is the drain field. When it fails, the water from toilets, garden hoses, and vehicles will not be able to flow away from your property.

Skipping a problem in the system can result in serious health risks. You will end up with expensive lawn and plumbing damage if you don’t opt for septic drain field repair. American Drainfield Septic Service is here to tell you all about the common causes of septic drain field failure and repair solutions.

What Does Septic Drain Field Repair Mean?

Another name for a septic drain field is a leach field. It consists of pipes with holes in the gravel trenches. The system gets pre-filtered wastewater from your septic tank.

Harmful bacteria are naturally filtered out of the water by the soil underneath. This helps keep your yard clean and helps to keep local groundwater clean. If something breaks down, it’s time for septic drain field repair.

The early signs that you need leach field repair:

  • Slow Drains: 

Sinks, showers, and toilets drain much slower than usual.

  • Odors: 

Smelly odors around the yard or drains are a foul sewage smell.

  • Lush Grass

Bright green, spongy grass grows quickly over the trenches.

  • Soggy Soil: 

The lawn is wet, muddy, and/or has standing water.

  • Gurgling Sounds: 

After flushing the toilet, you hear weird gurgling sounds from the pipes.

Common Causes of System Failure

Failure of a drain field occurs when the soil is no longer able to absorb the liquid waste. Understanding the causes enables you to select the proper septic system repair technique.

What Makes the System Fail?

  • Neglected Pumping: 

Solid wastes leach from the tank and plug up underground pipes.

  • Water Overload:

If there is too much water use in the house, the water will soon fill the trenches.

  • Root Intrusion: 

Large tree roots intrude into and break the line.

  • Soil Compaction: 

Pipes are compacted by heavy vehicles driving on the lawn.

  • Chemical Abuse: 

Using bleach or strong cleaners will destroy the beneficial bacteria in the soil.

  • Time Wear: 

The system is used for decades and wears out naturally.

Failure CausePrimary Effect on SystemImmediate Risk Level
Sludge OverflowCompletely plugs the pipe holes.High
Hydraulic OverloadFloods and saturates trenches in the soilMedium
Tree Root InvasionPhysically breaks and blocks the lines.High
Heavy DrivingStops pipes from bursting and packs around soilCritical

Picking Your Repair Solution

When the system fails, there are basically three roads you can take. A professional inspection is the best way to find the safest option for you.

  1. Leach Field Repair

Technicians repair individual problems rather than replacing an entire system. They remove or replace sections of pipes that are broken. Leach field repair is one of the most economical fixes you can find out there.

  1. Complete Septic System Repair

This technique involves using strong tools to remove the organic slime accumulation. High-pressure jets of water, called hydro-jetting, are used by technicians. They also introduce bacteria shocks to rejuvenate the soil.

  1. Entire Drain Field Replacement

If there is total structural failure, it’s time for a completely new setup. New trenches are dug in a new spot in your yard. It is costly but can last for many years with drain field replacement.

Solution TypeTypical LifespanBest Time for UseCost Range
Hydro-Jetting2 to 5 years
A slime layer that develops on pipes is responsible for the blockage.Low
Pipe Fixes5 to 10 years
Damage to the roots in small patchesMedium
Full Replacement
20 to 30 yearsThe total downfall of the system.High

Why Only Trust an Expert for Septic System Repair?

Certified home infrastructure and septic experts perform thousands of real-world field inspections and analyze septic systems on an annual basis.

Professionals adhere to relevant local environmental safety requirements in waste management. The advice they give you is based on real data from the industry and from field engineering. Experts give you unbiased and reliable tips to make your home safe.

Final Thoughts

A failing drain field cannot cure itself over time. When action is delayed, backups and property damage ensue. 

It is best to get help from an expert and get your drain field repaired when your septic system begins to move towards complete failure if you want to avoid a full-fledged replacement.  

Call a licensed septic professional today and have your septic system checked right away.

Frequently Asked Questions

  1. How many years is the life expectancy of a leach field?

A well-cared-for field lasts from 20 to 30 years.

  1. Is it possible to unclog a clogged field without digging?

Yes, minor clogs can be easily removed with hydro-jetting or chemical shock treatments.

  1.  Will home insurance cover the replacement of the septic system?

Typical residential coverage does not apply to wear and tear or neglect.

  1.  When should I pump my septic tank?

Tanks should be pumped every 3-5 years.

  1.  Can trees be planted along the drain lines?

No, tree roots rapidly get into pipes and crack them.