Sri Lankan Context
The following Statistics can be used to design a national-level approach for AWD
| Authority | Paddy Command Area of Rice field (ha) |
| Mahaweli Authority | 120,278 |
| Irrigation Department | 295,243 |
| Agrarian Development Department | 347,276 |
| Provincial Councils | 39,121 |
(Source: Details of Irrigation Systems in Sri Lanka, DAD, 2020)
| Nature of Irrigation | Command Area (ha) |
| Major and Medium Irrigation | 454,642 |
| Minor Irrigation | 347,276 |
(Source: Details of Irrigation Systems in Sri Lanka, DAD, 2020)