Impacts of Coal Mining on Deka River Water Quality and Livelihoods of the Surrounding Community

Year 2023, Volume: 6 Issue: 3, 160 - 176, 31.12.2023

[e-mail] Masere Kudzanai Zvikwete

Abstract

Coal mining is one of the major contributors to Zimbabwe’s Gross Domestic Product. However, it presents numerous adverse challenges on the environment, local ecosystems and livelihoods. This study sought to assess the impacts of coal mining on the quality of the water in Deka River and livelihoods of the nearby community in Hwange district. Data was solicited using two methods; water sampling and analysis; and focus group discussions (FGDs). Water samples were collected on three sampling sites/sections (upstream, middle and downstream) of Deka River for three consecutive years from 2019 to 2021, in a 2 x 3 factorial experimental design. Concentration levels of eight physico-chemical parameters (pH, DO, TDS, EC, Mn, Fe, turbidity and sulphates) were assessed. Conversely, 40 respondents were selected using stratified random sampling technique to participate in two FGDs to gather their perceptions on how their livelihoods were impacted by coal mining pollution. The study found the middle section, to be the most polluted as pH, TDS, EC, Mn, Fe, turbidity and sulphates levels were significantly higher than the maximum allowable WHO standards. Statistically, there was a significant interaction effect at p<0.001 between Sampling site and Year (time) on the levels of seven water parameters in Deka River. All respondents highlighted that they were negatively impacted by coal mine pollution of Deka River, which they were using for drinking purposes and for their livelihoods. They complained of high incidences of a plethora of diseases among themselves and their livestock as well as death of fish, livestock and people.

Keywords

Pollution, Acid mine drainage, Effluent, Environment, Health

Supporting Institution

Midlands State University

References

• Apua, M. C., 2020, Total dissolved solids and turbidity removal from acid mine drainage using of a coal fly ash-based complex coagulant. Int. J. Advances in Sci. Eng. Techn. Vol. 8(1), 51-55.
• Badamasi, H., Olusola, J. A., Durodola, S. S., Akeremale, O. K., Ore, O. T. and Bayode, A. A., 2023, Contamination levels, source apportionments, and health risks evaluation of heavy metals from the surface water of the Riruwai mining area, North-Western Nigeria. Pollution. Vol. 9(3), 929-949. https://doi.org/10.22059/poll.2023.352517.1721
• Baxter, T. E., 2017, Standard operating procedure: total dissolved solids by gravimetric determination.
• Brirhet, H. and Benaabidate, L., 2016, Comparison of two hydrological models (lumped and distributed) over a pilot area of the Issen Watershed in the Souss Basin, Morocco. Euro. Sci. J. Vol. 12(18), 347. https://doi.org/10.19044/esj.2016.v12n18p347
• Chitata, T., Masere, T. P., Mudereri, B. T., Ndau, B. M., Zirebwa, S. F., Sammie, B. L., Mhindu, R. L., Mufute, N. L., Makwena, K., Chipunza, D., Sibanda, J. M., Mureri, A., Mupfiga, E. T., Zhou, N. M. and Mugandani, R., 2022, The paradox of ‘Water is Life’ in a water rationed city during the COVID-19 pandemic. (In L. Chapungu, D. Chikodzi, & K. Dube (Eds), COVID-19 in Zimbabwe: trends, dynamics and implications in agricultural, environmental and water sectors (pp. 219-242). https://doi.org/10.1007/978-3-031-21472-1
• Chowdhury, S., Mazumder, M., Al-Attas, O. and Husain, T., 2016, Heavy metals in drinking water: occurrences, implications, & future needs in developing countries. Sci. Total Environ. Vol. 569-570, 476–488. https://doi.org/10.1016/j.scitotenv.2016.06.166
• Ekwule, O. R., Akpen, G.D. and Ugbede, G. M., 2019, The effect of coal mining on the water quality of water sources in Nigeria. Bartın University Int. J. Natural and Applied Sci. Vol. 2(2), 251-260.
• El Sayed, S. M., Hegab, M. H., Mola, H. R., Ahmed, N. M. and Goher, M. E., 2020, An integrated water quality assessment of Damietta and Rosetta branches (Nile River, Egypt) using chemical and biological indices. Environ. Monit. Assess. Vol. 192(4), 1-16.
• ELAW, Environmental Law Alliance Worldwide, 2010, Overview of mining and its impacts. In: Guidebook for evaluating mining project EIAs, web page: https://www.elaw.org/files/mining-eia-guidebook/Chapter1.pdf, retrieval date: 23.07.2023.
• Gotore, O., Munodawafa , A., Rameshprabu, R., Masere, T. P., Mushayi, V. and Itayama, T., 2022, The physic-chemical assessment of urban river basin using macro invertebrate indices for the environmental monitoring of urban streams. Int. J. Hum. Capital Urban Manage. Vol. 7(4), 499-510.
• Hu, G., Bakhtavar, E., Hewage, K., Mohseni, M. and Sadiq, R., 2019, Heavy metals risk assessment in drinking water: an integrated probabilistic-fuzzy approach. J. Environ. Mang. Vol. 250, 109514. https://doi.org/10.1016/j.jenvman.2019.109514
• Hülsmann, S., Sušnik, J., Rinke, K., Langan, S., van Wijk, D., Janssen, A. B. and Mooij, W. M., 2019, Integrated modelling and management of water resources: the ecosystem perspective on the nexus approach. Curr. Opin. Environ. Sustain. Vol. 40, 14-20.
• International Mining, 2010, Conductivity: an inappropriate measure of water quality, says NMA, web page: https://im-mining.com/2010/06/10/conductivity-an-inappropriate-measure-of-water-quality-says-nma/, retrieval date: 23.07.2023.
• Lin, L., Yang, H. and Xu, X., 2022, Effects of water pollution on human health and disease heterogeneity: a review. Front. Environ. Sci. Vol. 10, 880246. doi: 10.3389/fenvs.2022.880246
• Masere, T. P., Munodawafa, A. and Chitata, T., 2012, Assessment of human impact on water quality along Manyame River. Int. J. Sustain. Dev. Plan. Vol. 1(3), 754-765.
• Matveeva, V. A., Alekseenko, A. V., Karthe, D. and Puzanov, A. V., 2022, Manganese pollution in mining-influenced rivers and lakes: current state and forecast under climate change in the Russian Arctic. Water. Vol. 14(7), 1091. doi.org/10.3390/w14071091
• Montes-Atenas, G., 2022, Fundamentals and practical aspects of acid mine drainage treatment: An overview from mine closure perspective. Wastewater treatment. IntechOpen.
• Moyo, M., Mvumi, B. M., Kunzekweguta, M., Mazvimavi, K. and Craufurd, P., 2012, Farmer perceptions on climate change and variability in semi-arid Zimbabwe in relation to climatology evidence. Afr. Crop Sci. J. Vol. 20(2), 317–335.
• Munyai, R., Ogola, H. J. O. and Modise, D. M., 2021, Microbial community diversity dynamics in acid mine drainage and acid mine drainage-polluted soils: implication on mining water irrigation agricultural sustainability. Front. Sustain. Food Syst., 5.
• Ncube-Phiri, S., Ncube, A., Mucherera, L. and Ncube, K., 2015. Artisanal small-scale mining: Potential ecological disaster in Mzingwane District, Zimbabwe. Jamba. Vol. 7(1), 158.
• Nyahwai, R., Masere, T. P. and Zhou, N. M., 2022, An Assessment of the Factors Responsible for the Extent of Deforestation in Mapfungautsi Forest, Zimbabwe. Int J Agric. Techn. Vol. 2(1), 1-9.
• Odenheimer, J., Skousen, J., McDonald, L. M., Vesper, D. J., Mannix, M. and Daniels, W. L., 2014, Predicting release of total dissolved solids from overburden material using acid-base accounting parameters. Geochem.: Explor. Environ. Anal. Vol. 276. doi 10.1144/geochem2014-276
• Olson, C. L. and Lenzmann, F., 2016, The social and economic consequences of the fossil fuel supply chain. MRS Energy & Sustain. Vol. 3, 1-32.
• Paltasingh, T. and Satapathy, J., 2021, Unbridled coal extraction and concerns for livelihood: evidences from Odisha, India. Miner Econ. Vol. 34(3), 491-503.
• Prosser, I., Wolf, L. and Littleboy, A., 2011, Water in mining and industry. Water: Sci. Solutions for Australia, 135-146.
• Rambabu, K., Banat, F., Pham, Q. M., Ho, S. H., Ren, N. Q. and Show, P. L., 2020, Biological remediation of acid mine drainage: review of past trends and current outlook. Environ. Sci. Ecotechnol. Vol. 2, 100024.
• Ruppen, D., Chituri, O. A., Meck, M. L., Pfenninger, N. and Wehrli, B., 2021, Community-based monitoring detects sources and risks of mining-related water pollution in Zimbabwe. Front. Environ. Sci. Vol. 9, 754540.
• Sur, I. M., Moldovan, A., Micle, V. and Polyak, E. T., 2022, Assessment of surface water quality in the Baia Mare area, Romania. Water. Vol. 14(9), 3118. doi.org/10.3390/w14193118
• US EPA, United States Environmental Protection Agency, 1994, Technical document: Acid mine drainage prediction, web page: https://19january2017snapshot.epa.gov/sites/production/files/2015-09/documents/amd.pdf, retrieval date: 24.07.2023.
• Wang, Z., Xu, Y., Zhang, Z. and Zhang, Y., 2021, Review: acid mine drainage (AMD) in abandoned coal mines of Shanxi, China. Water. Vol. 13(8).
• Xu, X., Yang, H. and Li, C., 2022, Theoretical model and actual characteristics of air pollution affecting health cost: a review. Int. J. Environ. Res. Public Health. Vol. 19(6), 3532. doi:10.3390/ijerph19063532
• Zaveri, E. D., Russ, J. D., Desbureaux, S. G., Damania, R., Rodella, A. S., Ribeiro, P. and De Souza, G., 2020, The nitrogen legacy: the long-term effects of water pollution on human capital. World Bank Policy Research Working Paper.