Why septic tank size is important – Trity Environ Solutions


The septic tank plays crucial role in treating the on-site waste water coming out of the household, people use to install septic tank so that, the waste water coming out of there household does not contaminate or pollute the environment. Sometimes the self-consciousness toward environment lead people to install the septic tank whereas many a times the state’s regulatory compliances becomes cause for installation of septic tank.

Well, in this blog we will discuss the importance of septic tank size, but before getting into the importance of the size of the septic tank, we need to understand septic tank itself and then proceed further.

What is septic tank?

Septic tank is a large, underground container made of concrete, fiberglass, or other materials that receives and temporarily holds wastewater from toilets, sinks, showers, and such other means. The primary objective of the septic tank is to separate the solid waste form the water and then to begin the process of biological digestion, after treatment of the waste the water gets released, and the water that leaves the septic tank is significantly cleaner and less harmful to the environment in compare to that of raw sewage.

The septic tank use to do its work of treating the waste water in four primary steps, two of which are essentially important.

  • First step is the reception of waste water: the waste coming out of toilets, sinks and shower gets collected in a septic tanks for treatment.
  • Second step is separation and treatment: the solid waste gradually gets collected to the bottom of the tank due to gravity whereas the oil, water and other light substances float to the top, creating a scum layer. Whereas the liquid effluent gets collected in the middle.
  • Third step is the Biological Digestion: septic tank use to facilitate a degree of biological digestion, the naturally present bacteria starts the breaking down of the organic solid waste collected in the bottom of the tank and converting it into liquid and gases.
  • Fourth and last step is to release the effluent: the liquid effluent collected in the middle of the tank is allowed to move out of the septic tank into a drainage field.

Why the size of septic tank matters?

As we know, that the septic tank use to treat the waste water coming out of toilets and other households thus, we need to understand that how the size of the septic tank matters as per our need. The number of users and the quantity of the waste coming out determines the size of the septic tank required. Well, there are various other reasons which makes the size of septic tank crucially important, following are few of the reasons.

  1. Wastewater Treatment: The septic tanks are on-site treatment systems, they collects the waste, separate it and then treat it, and thus, the size of the tank determines the volume of the waste water a tank can collect and how well it can treat the same.
  2. Solids Accumulation: The smaller sized septic tank will fill up with solids more quickly, necessitating more frequent pumping, and thus, become more inconvenient and less cost-effective to you. So, in a way the size of the tank determines its maintenance, durability and cost-effectiveness.
  3. Environmental Impact: The smaller sized septic tank will hold less waste in it and release the excess of waste very frequently. Thus, if the tank is too small then it may release the untreated or partially treated waste water out of the tank. So, a properly sized septic tank is essential for protecting the environment.
  4. Household or Facility Needs: While determining the size of the septic tank, one needs to consciously asses his need, the numbers of the people who are going to use such facility, size of septic tank per person or the amount of waste which are supposed to get released from the household or facility, and then only, determine the size of the septic tank.
  5. Avoiding System Overload: Every septic tank have its own capacity, the amount of waste it can hold and treat is depend on its size. Thus, while buying a septic tank one need to understand his need whether you are buying a tank for household purpose, and if so, then what is a standard size of septic tank for residential purposes, in any circumstance do not buy a septic tank which can't handle the volume of wastewater generated.
  6. Legal and Regulatory Compliance: Every state have its own guidelines regarding for waste management, every state or municipality have certain guidelines regarding the minimum septic tank size required, for example, septic tank standard size in India in feet might be different from that of any other country.

Well, these were few of the standard which you need to consciously opt while deciding the size of your septic tank or if you want to know more or install one then make sure to mail us or call us on +91 9821030072 and enquiry@trityenviro.com, we Trity Environ Solutions the first and best in the industry are determined to help you.

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