Trenches

  Rainwater harvesting is being increasingly used to collect precipitation water. The ideas of trenches is to obstruct surface runoff from catchments and concentrate the water to be infiltrated. The …

Barriers and bunds

Rainwater harvesting is being increasingly used to collect precipitation water. The ideas of barriers is to obstruct surface runoff from catchments and prohibit flow of the water to be infiltrated. …

Channel spreading

Channel spreading is grouping technologies by which the wetted area of a drainage channel or river bed is artificially increased in order to enhance water infiltration to the aquifer. The …

Sand dams

Sand dams are impounding structures constructed above ground within intermittent river channels. During rainfall events, storm water runoff will accumulate¬†sands and gravels behind the dam structure. This creates an artificial …

Subsurface dams

Subsurface dams are barriers of low permeability that are constructed underground. These structures reduce or stop the lateral flow of groundwater in order to store water below ground and elevate …

Dune filtration

For dune filtration surface water is infiltrated into the dune system and after soil passage retrived by pumping on a well gallery or lower lying ponds. This process serves as …

Excess irrigation

Excess irrigation as a MAR technique is used on irrigated farmland where excess water is available and is spread over the area during dormant or non-irrigated seasons to allow for …

Ditches and furrows

Ditches, furrows or drains are point or linear structures that allow for the recharge water to infiltrate to the aquifer underneath. They are usually shallow, flat-bottomed and closely spaced structures …

Flooding

Flooding as a MAR technique is used on when excess river water is available during high flow season or when flood events need to be managed. The system uses passive …

Recharge dams

Recharge dams are impermeable structures built into stream channels that store stream runoff water by creating surface reservoirs upstream of the dam. They can be either designed to recharge the …

Rooftop rainwater harvesting

Rooftop rainwater harvesting is being increasingly used in urban areas to collect precipitation water. Uses are manifold and include surface storage in tanks, usage for irrigation and groundwater recharge. The …

Soil aquifer treatment (SAT)

Soil Aquifer Treatment is a technology where water is recharged into the groundwater through soil percolation under controlled conditions. During percolation, natural soil filtration processes occur improving the source water …

Infiltration ponds and basins

Surface spreading and specifically infiltration ponds are among the most applied MAR techniques around the world. They are based on the retention and spreading of water over a mostly flat …

Induced bank filtration

For river/lake bank filtration surface water from a river or lake is induced to infiltrate by pumping on a well gallery or line of wells parallel to the bank of …