District | Village | Number of wells studied (% total) | Start of the construction year | Minimum depth (m) | Maximum depth (m) | Mean depth | SD |
---|---|---|---|---|---|---|---|
Bougouni | Dieba | 38 (100Â %) | 1980 | 6 | 16 | 10.21 | 2.338 |
Flola | 12 (100Â %) | 1982 | 6 | 20 | 12.50 | 5.036 | |
Sibirila | 13 (100Â %) | 1999 | 4 | 34 | 10.23 | 7.350 | |
Madina | 29 (100Â %) | 1954 | 5 | 20 | 13.10 | 4.203 | |
Yorobougoula | 58 (30Â %) | 1980 | 1 | 22 | 11.40 | 4.483 | |
Koutiala | Zanzoni | 83 (50Â %) | 1930 | 3 | 35 | 10.20 | 5.611 |
Nampossela | 35 (100Â %) | 1980 | 4 | 150 | 25.91 | 35.554 | |
N’Golonianasso | 79 (70 %) | 1910 | 5 | 70 | 12.14 | 8.382 | |
Sirakele | 50 (100Â %) | 1930 | 7 | 50 | 15.24 | 10.623 | |
M’Pessoba | 87 (30 %) | 1900 | 5 | 25 | 11.17 | 3.994 |