Major Areas — Majorareas Dryland Enggmeasures Farm Ponds
Farm ponds are small water bodies formed either by the construction of a small dam or embankment across a waterway or by excavating or dug out. The water is usually harvested from a small catchment area and then used for irrigation during prolonged periods
Specifications:
In the selected farm land the farm pond dimension of 8m x 8m x 1.5m can be constructed for the every 1 or 2 ha of land area.
- In the selected farm land the farm pond dimension of 8m x 8m x 1.5m can be constructed for the every 1 or 2 ha of land area.
| Water spreading area (sq.m) | Depth of water (m) | Suitable uses |
| 2000 to 10000 | 2.5 - 3.0 | Irrigation, fisheries and drinking water |
| 2000 to < 10000 | 1.5 – 2.5 | Irrigation & drinking water |
| < 2000 | 1.5-2.5 | Pot irrigation for trees and drinking water |
Unlined farm pond in Coimbatore district (Pallaadam)
Plastic Lined Farm pond - SULTANPET Block, Coimbatore District
Cost of storage :
| 1 | Bottom Area | 20 m x 20 m |
| 2 | Top Area | 35 m X 35 m |
| 3 | Depth | 2.2 m |
| 4 | Cost of lining material (Rs) | 85,000 |
| 5 | Excavation (Rs) | 20,000 |
| 6 | Coir dust & spreading (Rs) | 2,000 |
| 7 | Spreading plastic lining and sheet welding (Rs) and with earth cover | 27,000 |
| 8 | Cost of inlet and outlet structures | 66,000 |
| 9 | Total cost (Rs) | 2,00,000 |
Benefits of farm ponds :
- It collects excess runoff during rainy period.
- Stored water can be used for supplemental irrigation to crops.
- It is useful as drinking water for cattles during drought situation.
- It can be used for spraying pesticides.
- It conserves soil and moisture.
| Farm ponds construction | Farm ponds in plain areas | Farm ponds in hilly areas |
| Farm ponds filled with water | Drinking water for animals |
| Unlined farm pond in Coimbatore district (Pallaadam) | Plastic Lined Farm pond - SULTANPET Block, Coimbatore District |