- Type of project and general plan of irrigation works,
- Location, extent and type of irrigable lands,
- Irrigation requirements for profitable crop production,
- Available water supplies for the project,
- Irrigable(culturable) areas which can be economically supplied with water,
- Types and locations of necessary engineering works,
- Needs for immediate and future drainage,
- Feasibility of hydroelectric power development,
- Cost of storage, irrigation, power, and drainage features,
- Evaluation of probable power, income, and indirect benefits,
- Method of financing the project construction,
- Desirable type of construction and development,
- Probable annual cost of water to the farmers,
- Cost of land preparations and farm distribution systems, feasible crops, costs of crop production, and probable crop returns.
The main factors in the planning stage of an irrigation project
