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Artificial recharging structures built at suitable places decrease fluoride concentration. The method of rainwater harvesting also known as rainwater recharge could be adopted using percolation tanks and recharge pits that may prove to be very helpful. Utilizing existing wells to recharge rainwater after filtration is also an important and useful method to improve groundwater quality. Artificial recharging structures can be built in suitable places which will decrease concentration. See Figure 2.3 for in‐situ remediation techniques.

Figure 2.3 In‐situ remediation techniques: (A and B) Check dams; (C) Recharge pits; (D and E) Percolation tanks.