Johads a traditional water storage system is providing succor to deserts of Rajasthan. Which of the following statements are correct in this context?

1.    Johads are small earthen check dams that capture and conserve rainwater, improving percolation and groundwater recharge

2.    Johads have been responsible for drying up of many natural streams and rivers.

3.    Water man of India Rajendra Singh has been conferred with 2015 Stockholm Water Prize for his efforts in this context.

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