| River (location) | Bank (side) | (a) surface available (ha) | Water requirements according to (a) (l/s) 10 l/s/ha | (b) Water supply (l/s) (1) | Percentage of surface available according to (b) | Real surface suitable (ha) |
| Beausejour | left | 6 | 120 | 126 | 100 % | 12 |
| right | 6 | |||||
| Antoine | both | 6 | 60 | 70 | 100 % | 6 |
| Great river | left | 27 | 450 | 980 | 100 % | 45 |
| right | 8 | |||||
| upper basin | 10 | |||||
| Grand bacolet | both | 20 | 200 | 110 | 55 % | 11 |
| Crochu | both | 4 | 40 | 45 (2) | 100 % | 4 |
| La Tante bay | right | 5 | 50 | 20 (2) | 40 % | 2 |
| La Sagesse | both | 14 | 140 | 30 (2) | 20 % | 3 |
| Little Bacolet | right | 28 | 280 | 60 (2) | 20 % | 6 |
| Various small sites in hills and upper valleys (about) | 11 | |||||
| Estimated total (about) | 100 ha | |||||
(2) Estimated flow : more data required.
