A septic tank is a rectangular structure placed underground to collect and store human waste coming from the toilets from which it is periodically emptied. The outlet of a septic tank is connected to a soak pit.
![img9](https://tnussp.co.in/wp-content/uploads/2020/09/img9.jpg)
A septic tank is a rectangular structure placed underground to collect and store human waste coming from the toilets from which it is periodically emptied. The outlet of a septic tank is connected to a soak pit.
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