Advantages:
- Reduces Pollution
- It helps replenish the groundwater.
- It is run and maintained by the locals. Therefore its benefits are distributed to the local people.
- Mismanagement and over-exploitation of these natural resources are reduced because the locals are controlling them.
- It helps to increase the production of crops.
Disadvantages:
- Watershed building involves huge costs.
- The area required for building a watershed should have adequate rainfall. So the areas where a watershed can be built are very few.
- Watersheds require regular maintenance.
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