Samples	Sample points	Geographic coordinates				Water source
Samples	Sample points	North	East	Height above sea level (m)	depth (m)	Water source
1	Cathedral	7˚19'271''	13˚34'464''	1142	42	borehole
2	Novegian	07˚18'699''	013˚35'850''	1135	42	borehole
3	Boukina	07˚18'334''	013˚35'870''	1123	4	well
4	Socaret	07˚19'132''	013˚35'568''	1112	42	borehole
5	Maza	07˚16'686''	013˚34'703''	1109	45	borehole
6	Maza	07˚16'788''	13˚34'561''	1104	1	well
7	Bintu	07˚17'845''	013˚33'742''	1159	45	borehole
8	Sabongari America	07˚18'994''	013˚35'310''	1113	41	borehole
9	Onaref	7˚18'694''	13˚34'301''	1114	3	well
10	Bambari II	07˚18'071''	013˚35'652''	1138	45	borehole
11	Burkina west	07˚18'397''	013˚36'067''	1118	5	well
12	Quartier Bamun	07˚373''	013˚34'518''E	1136	43	borehole
13	Jolie Soir	07˚19'726''	013˚34'836''	1106	12	well
14	Sbongari gar	07˚19'647''	013˚35'400''	1107	45	borehole
15	Carrefour Auodi	07˚19'251''	013˚35'575''	1111	41	Borehole
16	Bantai	07˚19'146''	013˚35'667''	1102	10	well
17	Grand Marche	07˚19'529''	013˚35'077''	1129	5	well
18	N. Cifan	07˚19'477''	013˚35'915''E	1115	42	borehole
19	Gada	07˚19'914''	013˚36'057''	1099	12	well
20	Carrefour Borongo	07˚26'504''	013˚33'284''	1091	10	well
21	Carrefour Borongo	07˚26'388''	013˚33'336''	1091	40	borehole
22	Dang	07˚25'186''	013˚33'131''	1088	10	well
23	Dang	07˚24'788''	013˚32'944''	1081	40	borehole
24	Mmawi	07˚23'617''	013˚33'152''	1071	42	borehole