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Table 2 Properties of aquifer sediments at Manda, Mohanpur and Bagmara

From: Safe distances between groundwater-based water wells and pit latrines at different hydrogeological conditions in the Ganges Atrai floodplains of Bangladesh

Location Depth (m) Aquifer Effective grain size (mm) Uniformity coefficient Hydraulic conductivity (m/h)
D 10 D 60
Manda 12–15 1ST 0.17 0.21 1.23 7.30
18–21 1ST 0.17 0.28 1.64 5.20
27–30 2ND 0.12 0.24 1.96 3.60
33–36 2ND 0.18 0.4 2.29 7.72
36–39 2ND 0.19 0.6 3.16 11.70
Mohanpur 24–30 1ST 0.18 0.42 2.33 8.20
36–39 2ND 0.16 0.27 1.69 6.40
42–45 2ND 0.17 0.25 1.47 6.20
Bagmara 12–15 1ST 0.08 0.21 2.80 1.40
15–18 1ST 0.16 0.23 1.44 6.45
21–24 1ST 0.18 0.44 2.44 11.66
27–30 1ST 0.22 0.42 1.90 15.70
30–33 1ST 0.20 0.42 2.10 11.52
33–36 1ST 0.18 0.40 2.22 10.50
36–39 1ST 0.18 0.42 2.33 10.50