6 Types of Septic Tanks and How to Choose the Right One

6 Types of Septic Tanks and How to Choose the Right One
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6 Types of Septic Tanks and How to Choose the Right One

There are two possible ways to remove wastewater from residential and commercial facilities. Residential or commercial structures will either be connected to municipal sewer lines or employ a septic system, depending on the type of construction used.

The distinction between a septic and sewer system is that a septic system serves one property, while sewage lines connect several properties to form a network of pipes that transport waste to a municipal wastewater treatment plant. In urban areas, sewer lines are more common, whereas septic tanks are more typical in rural houses outside city boundaries.

Septic tanks are an important part of many homes across the country. They play a crucial role in wastewater management, and septic tank systems are often the only wastewater treatment option in rural areas. There are different types of septic tanks, and each has its own benefits and drawbacks. Here is a look at six types of septic tanks that you should know about.


What is a Septic Tank and What Does it Do?

A septic tank is a watertight container that collects wastewater from homes and businesses not connected to a municipal sewer system. It separates solid waste from the liquid effluent and allows the liquids to seep into the soil while the solids remain in the tank. The septic tank also allows for biodegradation of organic matter through the use of bacteria.

The tank is usually buried in the yard near the house and has a leach field that helps disperse the wastewater. Septic systems are often the only wastewater treatment option in rural areas. There are several different types of septic tanks, each having its own set of advantages and disadvantages. This article will look at six types that you should know about:

Septic Tanks: 6 Different Options

1. Concrete 

Concrete septic tanks are the most popular option. They're generally made of precast concrete and reinforced with steel rebar.

Pros - Concrete septic tanks are more durable than steel or high-density polyethylene septic tanks, and they can withstand large loads with little risk of damage during backfill. They become increasingly sturdy with time and can tolerate heavy loads while remaining resilient to damage.

Cons -If the concrete fractures, waste may seep out and allow groundwater to seep into the reservoir.

2. Plastic

Plastic septic tanks are made from high-density polyethylene (HDPE) and are often used in areas where soil conditions are not suitable for concrete septic tanks. They are available in 200-500 gallon capacities.

Pros - Plastic tanks are long-lasting, lightweight, and reasonable in price. Plastic septic tanks don't rust and have a lower risk of cracking than concrete ones.

Cons - They are light and may be easily damaged while being installed if they are not handled with care.

3. Fiberglass

Fiberglass septic tanks are made from fiberglass-reinforced plastic (FRP). They are often used in areas where space is limited or where soil conditions are not suitable for concrete or plastic septic tanks.

Pros - Fiberglass septic tanks are lightweight and easy to install.

Cons - They are more likely to shift when the surrounding soil becomes wet.

4. Steel

Welded steel plates are used in the construction of these tanks. They are often used in areas where space is limited or where soil conditions are not suitable for concrete, plastic, or fiberglass septic tanks.

Pros - Steel septic tanks are long-lasting and resistant to damage. 

Cons - They can be expensive to install, and typically only last for about 25 years before rusting.

5. Portable

Portable septic tanks are temporary septic tank systems that can be used when a permanent system is not feasible, and are frequently used for RVs or job site trailers. They are typically made from plastic or fiberglass and can be easily moved from one location to another.

They are available with wheels for towing, as well as above ground and below-ground storage. They have a low-profile design that allows these tanks to slide under trailers, leaving an exposed corner for pumping. These tanks may be connected in a series to increase volume to the needed amount.

Pros - Allows sewage to be stored safely in a temporary environment.

Cons - Typically holds 18-25 gallons and must be emptied frequently.

6. Aerobic

Aerobic sewage systems aerobically inject oxygen into waste to encourage the growth of aerobic microbes that decompose and filter the liquid and solids.

Pros - Aerobic systems are often paired with a smaller leaching field than a comparable conventional septic system. This can save a lot of room, which is particularly advantageous in areas where a large drainage area is prohibited.

Cons - These systems employ electric pumps to move air through wastewater, so the site must have electricity and the homeowner must pay for ongoing usage. These are considerably more complicated systems than traditional gravity-powered septic tanks, hence their higher recurring upkeep expenses.

Septic Tanks from Tank Depot are a Homeowner's Best Option

If you are in the market for a septic tank, Tank Depot is the best place to go, and we will beat anyone's price for the same tank. We offer various sizes and configurations, including portable septic tanks, which are perfect for temporary applications.

We have been providing septic tanks to homeowners and businesses for over 25 years, and we are committed to performing the best service possible. Contact us today to learn more about our septic tanks and find the perfect one for your needs.

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