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What are the dimensions of 1000 Gallon Septic Tank?

Designed to hold a capacity of 1000 Gallon of wastewater, knowing the physical dimensions of a septic tank is crucial for many reasons. It is essential to know the dimensions of a septic tank when in need of repair or cleaning by professionals. In this article, we will discuss the dimensions of a 1000-gallon septic tank, the cost of pumping one, and a lot more.

So, what are the dimensions of 1000 Gallon septic tank? A 1000-Gallon heavy duty septic tank usually measures 96” L x 78” W x 61” H. A low-profile tank measures 120” L x 67” W x 57” H. However, the internal structures and the outside dimensions of the tank might slightly vary, depending on the thickness of construction.

Continue reading to know why the dimensions of a septic tank shouldn’t be too deep or too shallow. Remember that septic tanks that have a greater surface area and with adequate depth are always a choice.

1000 gallon septic tank schematic
septic tank dimensions

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Types of Septic Tanks and Dimension Factors

If you are planning to have a septic tank installed, you should know about the main types of tanks used in residences.

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These are:

  • Concrete Tanks
  • Plastic or Polyethylene tanks
  • Fiberglass Tanks

A septic tank with a capacity of 1000 Gallon might have slight variations in dimensions, depending on the kind of tank (whether it is a fiberglass tank, plastic tank or concrete tank). Thus, a little understanding of the kind of septic tank is important so that you can understand the dimension factors.

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Determining the Size and Dimensions of a Septic Tank:

There are a number of variables that determine the size of any septic system you need to have. The dimensions of the system are dependent on the size or the capacity of the tank, along with the type of tank (as mentioned above).

Thus, dimension of a septic tank depends on the square footage of the property. It depends on the number of bedrooms in the house and the total people who live there.

Here are some facts related to the size and dimensions of a septic tank:

Type of TankTank CapacityTank Length (inches)Tank Width (inches)Tank Height (inches)
Concrete Septic Tank1000 Gallon – Heavy Duty967861
 1000 Gallon – Low Profile1206757
Plastic or Fibreglass Septic Tank1050 Gallon1266051
Steel Septic Tank1000 Gallon585896

Understanding Septic Tank Sizes

A septic tank in any property is the first stop through which wastewater goes out of a home. This wastewater then stays in the septic tank for some time. During this period, there are a few processes that goes on inside the tank. During this stage, the solids are separated from liquids.

Once done, the solids are filtered out and the rest flows away through the drainage field. However, for all this to happen properly, the size or dimensions of the septic tank is significant. Thus, when installing any septic tank, professionals consider several important facts.

Such factors include:

  • The total square footage of the property
  • Bedrooms in the property
  • Number of people who will be using the property
  • Frequency of guests coming in
  • Frequency of large gatherings, parties or get-togethers

When homeowners get in touch with experts, things get easy. Professionals consider all aspects and then ensure that the right size and dimensions of the septic tank is installed. Also, its noted that if there are additional users, the size of the tank should ideally increase by 180 litres for every user.

In Case the Septic Tank is Smaller – What Happens?

The size determines the dimensions of the tank. In case the septic tank is too small and not adequate, several problems will arise. It will not be able to tackle the quantity of wastewater that will exit the property.

If the septic tank is smaller than the required size, then all unpleasant problems might arise. This can be in the form of unpleasant and stinking odors, overflowing of tanks, and blockages.

The biggest problem which might arise due to a small size tank is that the resultant pressure can release liquids before they are filtered out properly. This can be a big problem as the solids will not break down well.

Thus, they will keep accumulating in the septic tank. If this happens, there will be problems with blockages and overflows.

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What Happens If the Septic Tank is Too Big?

Just as a small septic tank can lead to several problems, a larger than required septic tank can bring in many problems. An oversized tank will not function well. The wastewater will not flow effectively through it.

In case the septic tank is too large, then there might not be enough accumulation of liquid which can cause build-up of bacteria. Thus, if this happens the solids in the tank will not breakdown properly as the processing will not take place naturally.

It is important to find the right balance when selecting the size and dimensions of a septic tank. This will ensure health and complete hygiene.

Considering the Features of Your House to Determine the Septic Tank Size & Dimensions

As any homeowner starts thinking about installation of a septic tank, the user needs to consider the requirements of the family first and foremost. There are several home features which need to be taken account of.

Consider the following in any property:

  • More than one dishwasher
  • More than one kitchen
  • Waterfall showers
  • Low-flow gadgets
  • Hot tub, swimming pool and indoor spa

These are all considered to be luxurious features in any home. And these luxury factors will increase the need to have a septic tank of a larger specific size, as the water flow will be higher. The tank might have to be a larger one because of additional requirement of water.

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Questions Related to The Dimensions of a 1000-Gallon septic tank

  • How many bedrooms can any 1000-Gallon septic tank support?

A 1000-Gallon septic tank can support a house of three bedrooms. The property should be ideally within 2500 square feet. To know more, click here

  • Can you drive over a 1000-Gallon septic tank?

No, you should never drive over a 1000-Gallon septic tank. Driving over the tank will cause damage to the pipes and the leach field. If the damage is huge, the septic tank will malfunction and might involve costly repairs.

  • How often should you pump a 1000-Gallon septic tank?

A 1000-Gallon septic tank that is used by 2 people can be pumped every 5 years. However, if the same tank is used by 8 people, it should be pumped every year. Click to read more about septic tank pumping.

  • How many lids will a 1000-Gallon septic tank support?

It will require two lids as it is a large one. Two lids will provide easy access to the whole tank when cleaning or pumping.

  • What is the cost of a 1000-Gallon septic tank?

A 1000-Gallon septic tank might cost you between $800-$900. It depends on your location and the contractor you are hiring. Your local contractor will be able to provide you the exact cost.

  • How much will I have to pay to pump a 1000-Gallon septic tank?

To pump a tank of such a capacity, a user might have to pay an amount between $225-$400, considering other variables. Read more about septic tank pumping costs.

The dimensions of a septic tank play a crucial role in its usability and functionality. This is why the size of the septic tank is determined only by experts who consider different factors. For more – Read: 1000 Gallon Septic Tank Owners Guide

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Sources:

https://www.ajfoss.com/products/wastewater/1000-gallon-precast-concrete-septic-tank/

http://www.carls-septic-tank-systems.com/septic-tank-pumping-schedule.html

https://dailycivil.com/septic-tank-shape-size-dimensions-with-table/

https://inspectapedia.com/septic/Septic_Tank_Size_Tables.phphttps://www.coastaldrains.co.uk/blog/how-to-choose-the-right-septic-tank-size-for-your-property/#:~:text=An%20oversized%20septic%20tank%20won,the%20solids%20in%20the%20tank

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