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How Much Does Septic Installation Cost? [Guide to Septic Tank System]

Many factors can influence how much a new septic system can cost. Whether you’re building a new property or want to replace your current septic tank system, there are some things to keep in mind.

What Is a Septic System?

In simple words, a septic system is an underground treatment structure created when there’s not a traditional sewer system available; these systems are more common in rural areas, although they may also be seen in some cities.

A conventional septic system has three primary parts: The tank system, the distribution box, and a leach field, which is responsible for absorbing soil. In essence, the septic tank systems’ job is to separate wastewater from organic matter, such as solids, grease, or oil.

How Much Does a Septic Tank System Cost?

septic tank installation cost

On average, installing new tanks on your property may range from $3,000 and $10,000, depending on several factors. The national average for septic system installation costs is approximately $6,000. 

Here is a list of the most common factors that affect the cost of a new septic tank system:

Bedroom Count/House Size: This is the most important factor that affects septic system costs. On average, a three-bedroom house needs a 1,000-gallon tank; this tank may range from $600 to $1,000. Larger homes would need more than 1,500-gallon tanks.

Tank Gallon Size: The bigger the tank, the higher the cost. Keep in mind that 3,000-gallon tanks or bigger can accommodate most small buildings, and these may range from $3,000 to $4,000.

General System Type: There are three primary system types: Mound septic system, sand filter system, and pressure distribution system. Mound systems are the most expensive to install at $15,000 on average, whereas the sand filter systems are a bit more affordable, ranging from $6,000 to $10,000.

Septic Tank Type: In this case, we have concrete septic tanks, fiberglass tanks, steel tanks, and plastic tanks. The concrete septic tank is the most durable and expensive. On the other hand, plastic septic tanks are much more affordable than concrete tanks, but they’re not as durable.

Anaerobic or Aerobic Systems: The aerobic septic system uses an air pump to aerate the tank, allowing bacteria to take care of the waste. On the other hand, the anaerobic septic system uses oxygen-averse bacteria to take care of the waste. The aerobic and anaerobic system are good; it mostly depends on your budget.

Frequently Asked Questions

septic installation

How Much Time Do Septic Systems Take to Install?

Depending on the land conditions and the team working on the septic tank installation, the process may take approximately seven days or more.

How Can You Tell If You Need a New System?

You need to install a septic tank/system if you’re experiencing the following problems:

  • Bad smells
  • Standing water
  • Moving to a bigger house
  • Old system
  • Patchy grass
  • Slow draining

If this is your case, make sure to call us for pricing on a septic system replacement cost.

Where Can You Find Septic System Installers?

A septic system cost or septic tank costs, in general, may vary depending on the case. Thankfully, we have all the information you need, including the cost to install anything you want. 

If you’re ready to begin, call us today!

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