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

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

Location	Depth (m)	Aquifer	Effective grain size (mm)		Uniformity coefficient	Hydraulic conductivity (m/h)
Location	Depth (m)	Aquifer	D ₁₀	D ₆₀	Uniformity coefficient	Hydraulic conductivity (m/h)
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

ISSN: 2072-1315