WHAT IS SOAK PIT? ITS FUNCTION, ADVANTAGES AND MAINTENANCE.

A soak pit, also known as a soakaway as well as drywell which is an underground structure that disposes of unwanted water, most commonly surface runoff and stormwater and in some cases greywater. It is a covered, porous-walled chamber that allows water to slowly soak into the ground. Pre-settled effluent from a Collection and Storage/Treatment or (Semi-) Centralized Treatment technology is discharged to the underground chamber from which it infiltrates into the surrounding soil and underground.
Why do we Need Soak Pit Tank ? | CivilDigital |
Soak pit


Functions of soak pit :
1. Soak pit serves the purpose of receiving the effluent water from the primary treatment unit.
2. Soak pit undergoes the partial treatment of the effluent water coming out of the primary treatment unit.
3. The soak pit discharges clear and non-harmful water to the soil and underground.
4. The soak pit is designed in such a way that the treated water comes out of the porous walls of the soak pit.

5. The soak pit recharges the groundwater bodies.


Maintenance :
1. The effluent should be clarified or filtered well to prevent excessive build up of solids.
2. The Soak Pit should be kept away from high-traffic areas.
3. Particles and biomass will clog the pit so need to be cleaned or moved.

4. For future access a removable  lid should be used to seal the pit.


Advantages:
1. Technique simple to apply for all users.
2. Small land area is required.
3. Low capital costs; low operating costs.
4. Recharging groundwater bodies.
5. Power conservative.
6. It can be built and maintained with locally available materials.

Disadvantages :
1. Pre-treatment is required to prevent clogging, although eventual clogging is inevitable.

2. Negatively affects soil and groundwater properties.


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