What are Johad and Khadins?

By Ritesh|Updated : September 5th, 2022

Johad is a small clay check dam that collects and stores rainwater; Khadin is a clever structure made to collect surface runoff water for use in agriculture. Johads enhance groundwater recharge and percolation. They are dispersed among more than 650 villages in Rajasthan's Alwar district.

  • Khadin is a very long (100–300 m) earthen dam constructed across the lower hill slopes below gravelly uplands is the principal feature of the area.
  • Water can be drained out in excess using sluices and spillways.

Johad and Khadins

  • Khadin is a system of land usage.
  • It is employed where valley plains and rocky catchments are close.
  • The lower valley floor, encircled by an earthen "bund," serves as a retention area for the catchment's runoff.
  • Water in the Khadin is retained during the monsoon season.
  • It might have been buried by the first week of November.
  • The soils in the Khadins are incredibly fertile due to the continuous deposition of fine sediment.
  • A rainwater storage tank is called a Johad.
  • It collects and stores water all year round.
  • It is used for drinking by humans and livestock.
  • These are built in low-water zones.
  • Many areas of the state received very little annual rainfall, and the water may not be suitable to drink.
  • All year long, Johads store the rain that falls in July and August.

Summary:

What are Johad and Khadins?

Johads, small clay check dams, increase groundwater recharge and percolation by collecting and storing precipitation. The Alwar district of Rajasthan is spread out among more than 650 villages.

  • An ingenious structure called a Khadin was built to capture surface runoff water for use in agriculture.
  • The area's dominant feature is a long (100–300 m) earthen dam built across the lower hill slopes beneath gravelly uplands.
  • Water can be drained out in excess using sluices and spillways.

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