Septic Tank Sizes report
A Septic tank is a small treatment structure that separates and settles domestic sewage and performs anaerobic digestion on sludge. There are various septic tanks, divided into fixed septic tanks and portable septic tanks, and are usually used to decorate bathrooms. Professional and civil engineering teams generally carry out the construction of septic tanks.
Although most people would prefer to buy a public sewer system, they think it would be more convenient. But, if you buy a house with a septic tank, the householder does not need to pay the public sewage treatment fee in the monthly water bill, which will save a lot of expenses. Before you buy a house, be sure to understand its sewerage system so you can replace or repair the septic tank in time.
The septic system is relatively simple in design. Ideally, the removed liquids and solids break down in the tank and flow into the drainage area to be absorbed by the soil. But sometimes, some undecomposed solids can congee the tank and drain. Therefore, regular septic tank maintenance is very important. This post explains more details about septic tank sizes.
Septic Tank Size Guide
The daily sewage of most apartments in the community is directly connected to the municipal public sewers. The house's septic tank may be necessary or may not, which you need to know before buying a house. The septic system is a self-contained compartment that is installed to hold your home's wastewater. A septic system has two main parts: the soil absorption field or drain and the tank.
Septic tanks manage your wastewater disposal outside your property. The most vital factor to consider when installing a septic tank is the type and size of your need. Correct sizing of your septic tank is essential to your private sewage disposal system running efficiently.
Septic Tank Size By Water Usage
The septic tank size needed is dependent on the volume of water it can hold, which will be drained into the soil absorption field. In many cities of the United States, the minimum septic tank size permitted is 1,000 gallons. Based on the overall water usage of your household, the recommended septic tank sizes are as follows.
| Water Usage | Septic Tank Capacity |
|---|---|
| Less than 500 gallons a day | 900 gallons |
| Less than 700 gallons a day | 1,200 gallons |
| Less than 900 gallons a day | 1,500 gallons |
| Less than 1,240 gallons a day | 1,900 gallons |
Septic Tank Capacity Table
Check the following table for details on minimum septic tank capacity based on the number of residential bedrooms:
| Number of Bedrooms | Minimum Septic Tank Capacity | Minimum Liquid Surface Area | Drainfield Size |
|---|---|---|---|
| 1-2 | 750 – 1000 gallons | 27 Sq. Ft. | 800 – 2500 Sq. Ft. |
| 3 | 1000 – 1500 gallons | 27 Sq. Ft. | 1000 – 2880 Sq. Ft. |
| 4 | 1250 – 1500 gallons | 34 Sq. Ft. | 1200 – 3200 Sq. Ft. |
| 5 | 1500 – 3000 gallons | 40 Sq. Ft. | 1600 – 3400 Sq. Ft. |
| 6 | 1750 – 3000 gallons | 47 Sq. Ft. | 2000 – 3800 Sq. Ft. |
Conclusion
Keep in mind that the above information is a rough estimate. The exact size of the septic tank you require will depend not only on the variables mentioned above but also on your local jurisdiction requirements. There is no doubt that the more people live in your house, the larger your septic tank has to be. We recommend that you contact and consult with your local professional plumber and installation team to choose the best septic tank size for you.
