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Water Portal / Rainwater Harvesting / Groundwater recharge / Contour trenches

59 bytes added, 18:50, 29 March 2012

→‎Suitable conditions

- Can assist recharge of shallow wells <br>

- Can reduce salinity in groundwater <br>

- Prevents pollutants from draining into water bodies <br>

- Gully plugs: no trench design required, just uses existing gully drainage pattern <br>

| con= - Recharge of groundwater is not certain according to local sub-surface conditions (geological layers blocking infiltration) <br>

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