Published Papers


Pouye, A., Cissé Faye, S., Diedhiou, M., Gaye, C.B. and Taylor, R.G. (2023) Nitrate contamination of urban groundwater and heavy rainfall: observations from Dakar, Senegal. Vadose-Zone Journal, Vol. 22, e20239.

Karimi, K.J., Ahmad, A., Duse, A., Mwanthi, M. and Ayah, R. (2023) Prevalence of Antibiotic Use and Disposal at Household Level in Informal Settlements of Kisumu, Kenya. International Journal of Environmental Research and Public Health Vol. 20(1), 287.


Pouye, A., Cissé Faye, S., Diedhiou, M., Gaye, C.B. and Taylor, R.G. (2022) An evaluation of groundwater vulnerability assessment methods in a rapidly urbanizing city: evidence from Dakar, Senegal. Environmental Earth Sciences, Vol. 81, 410.

Nayebare, J.G., Owor, M.M., Kulabako, R. and Taylor, R.G. (2022) Faecal contamination pathways of shallow groundwater in low-income urban areas: implications for water resource planning and management. Water Practice and Technology, Vol. 17 (1), 285–296.


Othoo, C., Dulo, S. and Olago, D.O. (2021) Flood-risk vulnerabilities of sanitation facilities in urban informal settlements: Lessons from Kisumu City, Kenya. East African Journal of Science, Technology and Innovation, Vol. 2(4). 371. 

Olago, D.O., Raini, J., Omuombo, C., Ogonda, G., Muli, J., Okello, C., Memo, W. and Ong’ang’a, O. (2021) Lentic-Lotic Water System Response to Anthropogenic and Climatic Factors in Kenya and their Sustainable Management. In: S. Diop, P. Scheren, I. Niang (Eds.), Climate Change and Water Resources in Africa, Springer, pp. 193-218.

Owor, M., Muwanga, A., Tindimugaya, C. and Taylor, R.G. (2021) Hydrogeochemical processes in groundwater in Uganda: a national-scale analysis. Journal of African Earth Sciences, Vol. 175, 104113.

Sorensen, J.P.R., Nayebare, J., Carr, A.F., Lyness, R., Campos, L.C., Ciric, L., Goodall, T., Kulabako, R., Rushworth Curran, C.M., MacDonald, A.M., Owor, M., Read, D.S. and Taylor, R.G., (2021) In-situ fluorescence spectroscopy is a more rapid and resilient indicator of faecal contamination risk in drinking water than faecal indicator organisms. Water Research Vol. 206, 117734.

MacDonald, A.M., Lark, R.M., Taylor, R.G., Abiye, T., Fallas, H.C., Favreau, G., Goni, I.B., Kebede, S., Scanlon, B. and Sorensen, J.P.R., Tijani, M., Upton, K.A. and West, C. (2021) Mapping groundwater recharge in Africa from ground observations and implications for water security. Environ. Res. Lett. Vol. 16, 034012.


Othoo, C.O., Dulo, S.O., Olago, D.O. and Ayah, R. (2020) Proximity Density Assessment and Characterization of Water and Sanitation Facilities in the Informal Settlements of Kisumu City: Implications for Public Health Planning. Journal of UOEH, Vol. 42, Issue 3, 237-249.

Diaw, M.T., Cisse Faye, S., Gaye C.B., Niang, S., Campos, L.C., Taylor, R.G. (2020) On-site sanitation density and shallow groundwater quality: evidence from remote sensing and in situ observations in Dakar, Senegal. Journal Water, Sanitation and Hygiene for Development, Vol. 10, p. 927-939.

Sorensen, J., Carr, A.F., Nayebare, J., Diongue, M.L., Pouye, A., Roffo, R., Gwengweya, G., Ward, J.S.T., Kanoti, J., Okotto-Okotto, J., van der Marel, L., Ciric, L., Cisse Faye, S., Gaye, C.B., Goodall, T., Kulabako, R., Lapworth, D.J., MacDonald, A.M., Monjerezi, M., Olago, D.O., Owor, M., Read, D.S. and Taylor, R.G. (2020) Tryptophan-like and humic-like fluorophores are extracellular in groundwater: implications as real-time faecal indicators. Nature Scientific Reports, Vol. 10, 15379.

Nayebare, J.G., Owor, M.M., Kulabako, R., Campos, L.C., Taylor, R.G. (2020) WASH conditions in a small town in Uganda: how safe are on-site facilities? Journal of Water, Sanitation and Hygiene for Development, Vol. 10, 96-110.

Sorensen, J.P.R., M.T. Diaw, A. Pouye, R. Roffo, D.M.L. Diongue, S. Cissé Faye, C.B. Gaye, B.G. Fox, T. Goodall, D.J. Lapworth, A.M. MacDonald, D.S. Reade, L. Ciric and R.G. Taylor (2020) In-situ fluorescence spectroscopy indicates total bacterial abundance and dissolved organic carbon. Science of the Total Environment, Vol. 738, 139419.

Kanoti, J., Olago, D., Nyamai, C., Dulo, S., Ayah, R., and Taylor, R.G. (2020) Sanitation challenges, groundwater perspectives and their intertwined relationships in Kisumu, Kenya. Kenya Policy Briefs, Vol. 1, 15-16.


Cuthbert, M.O., R.G. Taylor, G. Favreau, M.C. Todd, M. Shamsudduha, K.G. Villholth, A.M. MacDonald, B.R. Scanlon, D.O.V. Kotchoni, J.-M. Vouillamoz, F.M. A. Lawson, P.A. Adjomayi, J. Kashaigili, D. Seddon, J.P.R. Sorensen, G.Y. Ebrahim, M. Owor, P.M. Nyenje, Y. Nazoumou, I. Goni, B.I. Ousmane, T. Sibanda, M.J. Ascott, D.M.J. Macdonald, W. Agyekum, Y. Koussoubé, H. Wanke, H. Kim, Y. Wada, M.-H. Lo, T. Oki, N. Kukuric, 2019. Observed controls on resilience of groundwater to climate variability in sub-Saharan Africa. Nature, Vol. 572, 230–234.

Olago, D. (2019) Constraints and solutions for groundwater development, supply and governance in urban areas in Kenya. Hydrogeology Journal, Vol. 27, 1031–1150.

Taylor, R.G., Favreau, G., Scanlon, B.R. and Villholth, K.G. (2019) Topical Collection: Determining groundwater sustainability from long-term piezometry in Sub-Saharan Africa. Hydrogeology Journal, Vol. 27, 443-446.

Xu, Y., Seward, P., Gaye, C.B.,  Lin, L., Olago, D.O. (2019) Preface: Groundwater in Sub-Saharan Africa. Hydrogeology Journal, Vol. 27, 815-822.

Cisse Faye, S., Diongue M.L., Pouye, A., Gaye, C.B., Travi, Y., Wohnlich, S., Faye, S., Taylor, R.G. (2019) Tracing natural groundwater recharge to the Thiaroye aquifer of Dakar Senegal. Hydrogeology Journal, Vol. 27, 1067-1080.

Gaye, C.B. and Tindimugaya, C. (2019) Review: Challenges and opportunities for sustainable groundwater management in Africa. Hydrogeology Journal, Vol. 27, 1099–1110.


Ndoye, S., Fontaine, C., Gaye, C.B. and Razack, M. (2018) Groundwater Quality and Suitability for Different Uses in the Saloum Area of Senegal. Water Vol. 10, 1837.

Nijsten, G.-J., Christelis, G., Villholth, K.G., Braune, E., Gaye, C.B. (2018) Transboundary aquifers of Africa: Review of the current state of knowledge and progress towards sustainable development and management. Journal of Hydrology: Regional Studies, Vol. 20, 21-34.

Carvalho Resende, T., Longuevergne, L., Gurdak, J., Leblanc, M., van der Gun, J., Favreau, G., Ansems, N., Gaye, C.B., Aureli, A. (2018) Assessment of climate variability impacts on total water storage across Africa: implications for groundwater resources management. Hydrogeology Journal, Vol. 27, 493–512.

Mackinnon, E., Ayah, R., Taylor, R., Owor, M., Ssempebwa, J., Olago, D., Kubalako, R., Dia, A.T., Gaye, C., Campos, L., Fottrell, E. (2018) 21st century research in urban WASH and health in sub-Saharan Africa: methods and outcomes in transition. International Journal of Environmental Health Research, Vol. 13, 1-22.

Sorensen, J.P.R., Baker, A., Cumberland, S.A., Lapworth, D.J., MacDonald, A.M., Pedley, S., Taylor, R.G., Ward, J.S.T. (2018) Real-time detection of faecally contaminated water with tryptophan-like fluorescence: defining threshold values. Science of the Total Environment, Vol. 622-623, 1250-1257.

Maurice, L., Taylor, R.G., Tindimugaya, C., MacDonald, A.M., Johnson, P., Kaponda, A., Owor, M., Sanga, H., Bonsor, H.C., Darling, W.G., and Gooddy, D. (2018) Characteristics of high-intensity groundwater abstractions from weathered crystalline bedrock aquifers in East Africa. Hydrogeology Journal, Vol. 27, 459-474.

Sorensen, J., Vivanco, A., Ascott, M.J., Gooddy, D.C., Lapworth, D.J., Read, D.S., Rushworth, C., Bucknall, J., Herbert, K., Karapanos, I., Gumm, L.P. and Taylor, R.G. (2018) Online fluorescence spectroscopy for the real-time evaluation of the microbial quality of drinking water. Water Research, Vol. 137, 301-309.

Sorensen, J.P.R., Baker, A., Cumberland, S.A., Lapworth, D.J., MacDonald, A.M., Pedley, S., Taylor, R.G., Ward, J.S.T. (2018) Real-time detection of faecally contaminated water with tryptophan-like fluorescence: defining threshold values. Science of the Total Environment, Vol. 622-623, 1250-1257.

2017 and earlier:

Jasechko, S., Perrone, D., Befus, K.M., Bayani Cardenas, M., Ferguson, G., Gleeson, T., Luijendijk, E., McDonnell, J.J., Taylor, R.G., Wada, Y., and Kirchner, J.W. (2017) Global aquifers dominated by fossil groundwaters but wells vulnerable to modern contamination. Nature Geoscience, Vol. 10, 425-429.

Damkjaer, S. and Taylor, R.G. (2017) The measurement of water scarcity: defining a meaningful indicator. Ambio, Vol. 46, 513-531.

Campos L.C., Ross P., Nasir Z.A., Taylor H. and Parkinson J. (2015) Development and application of a methodology to assess sanitary risks in Maputo, Mozambique. Environment and Urbanization, Vol. 27(2), 371-388.