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Assessment was done on the microbiological quality of water in hand-dug wells in urban communities in Kumasi, Ghana. A total of 256 water samples were taken from eight wells and examined for faecal coliforms, enterococci and helminths. High contamination levels were recorded in the wells, more so...


Akple, Maxwell Selase KwasiKeraita, Bernard N.Konradsen, FlemmingAgbenowu, E.[Microbiological quality of water from hand-dug wells used for domestic purposes in urban communities in Kumasi, Ghana]Microbiological quality of water from hand-dug wells used for domestic purposes in urban communities in Kumasi, Ghana
Keraita, Bernard N.Drechsel, PayKonradsen, Flemming[Using on-farm sedimentation ponds to improve microbial quality of irrigation water in urban vegetable farming in Ghana]Using on-farm sedimentation ponds to improve microbial quality of irrigation water in urban vegetable farming in Ghana

This study was done in four rural communities in Ghana to assess uptake of household latrines. A total of 156 household interviews, 16 focus group discussions and 8 in-depth interviews with key informants were conducted. Study findings show that only 8.5% of households were using improved sanitat...


Keraita, Bernard N.Jensen, P.K.Konradsen, FlemmingAkple, Maxwell Selase KwasiRheinlander, T.[Accelerating uptake of household latrines in rural communities in the Volta Region of Ghana]Accelerating uptake of household latrines in rural communities in the Volta Region of Ghana
Keraita, Bernard N.Konradsen, FlemmingDrechsel, PayAbaidoo, R.C.[Reducing microbial contamination on wastewater-irrigated lettuce by cessation of irrigation before harvesting]Reducing microbial contamination on wastewater-irrigated lettuce by cessation of irrigation before harvesting

Water from wastewater-polluted streams and dug-outs is the most commonly used water source for irrigation in urban farming in Ghana, but helminth parasite eggs in the water represent health risks when used for crop production. Conventional water treatment is expensive, requires advanced technolog...


Sengupta, M.E.Keraita, Bernard N.Olsen, A.Boateng, Osei K.Thamsborg, S.M.Palsdottir, G.R.Dalsgaard, A.[Use of Moringa oleifera seed extracts to reduce helminth egg numbers and turbidity in irrigation water]Use of Moringa oleifera seed extracts to reduce helminth egg numbers and turbidity in irrigation water

Assessment was done of heavy-metal contamination and its related health risks in urban vegetable farming in Accra. Samples of irrigation water (n = 120), soil (n = 144) and five different kinds of vegetable (n = 240) were collected and analyzed for copper, zinc, lead, cadmium, chromium, nickel an...


Lente, I.Keraita, Bernard N.Drechsel, PayOfosu-Anim, J.Brimah, A.K.[Risk assessment of heavy-metal contamination on vegetables grown in long-term wastewater irrigated urban farming sites in Accra, Ghana]Risk assessment of heavy-metal contamination on vegetables grown in long-term wastewater irrigated urban farming sites in Accra, Ghana
Keraita, Bernard N.Konradsen, FlemmingDrechsel, PayAbaidoo, R.C.[Effect of low-cost irrigation methods on microbial contamination of lettuce irrigated with untreated wastewater]Effect of low-cost irrigation methods on microbial contamination of lettuce irrigated with untreated wastewater
Drechsel, PayKeraita, Bernard N.Amoah, PhilipAbaidoo, R.C.Raschid-Sally, LiqaBahri, Akissa[Reducing health risks from wastewater use in urban and peri-urban sub-Saharan Africa: Applying the 2006 WHO guidelines]Reducing health risks from wastewater use in urban and peri-urban sub-Saharan Africa: Applying the 2006 WHO guidelines

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