List and explain any two advantages associated with water harvesting at community level.

The two advantages associated with water harvesting at community level are as follows:

1. Protection from storm water runoff-Rainwater Harvesting reduces the significant damage to our creeks, water habitats and organisms caused by stormwater run off.
2. The increase in the level of underground water- The level of underground water increases which act as a storage. It may act as a source of water for plants and support them in the case of adversity.