Recharge Pit with Desilting Weir- Design Manohar Khushalani

This Recharge pit can be used where the volume of water is large and there is not enough space to accommodate a desilting tank. The other advantage is that the surface water runoff can come from all four sides of the pit as the desilting weir can be all around the pit.

Important: The number of borewells depends on the volume of water. Minimum one , maximum two, Three borewells can be used only in exceptional circumstances. Under no circumstance, the borewell should be deeper than the firsr acquifer. This is to ensure that people dont use it for pumping out water from deep acquifers.

High Capacity Recharge Pit Designed By Manohar Khushalani

This Ground Water Recharge Pit is for Societies with many flats or in institutional areas. Size is Indicative depending on the size of the catchment. More than one Pit can be used if necessary. Water to such a pit should be cleaned through one or more Desilting Tanks. See the previous article on Desilting tank

Important: The number of borewells depends on the volume of water. Minimum one, maximum two, Three borewells can be used only in exceptional circumstances. Under no circumstance, the borewell should be deeper than the first aquifer. This is to ensure that people dont use it for pumping out water from deep aquifers.

If there is only direct surface runoff to the harvesting pit from surrounding areas see the next article on built-in desilting weir

Water Harvesting: Recharge Pit with built in Desilting Weir | Manohar Khushalani

For Pipe Filters (Not Recommended in large Catchments) See the link below

Water Harvesting: Pipe Filters where there is a space crunch | Manohar Khushalani