1. Demand and beneficiaries
- Current population and planning horizon
- Domestic, social and productive uses
- Target consumption and daily peak
- Current supply modes and difficulties
2. Source
- Source type: surface, well or borehole
- Available yield and seasonality
- Pumping-test data where groundwater is used
- Source protection and contamination risks
3. Quality and treatment
- Available analyses and critical parameters
- Current or required treatment
- Water-quality monitoring plan
- Consumables and residuals management
4. Infrastructure and operations
- Available pumping energy
- Storage, pipelines, pressure and service points
- Operations and maintenance skills
- Metering, tariffs, spare parts and indicators