Research Article
Assessment of Groundwater Potential in Parts of the Coastal Niger Delta, Nigeria: Implications for Well Design
Issue:
Volume 13, Issue 6, December 2024
Pages:
136-157
Received:
29 August 2024
Accepted:
24 September 2024
Published:
30 December 2024
DOI:
10.11648/j.wros.20241306.11
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Abstract: The location, design, drilling and completion of wells for potable groundwater abstraction require exploration and mapping of groundwater potential zones within the geologic framework of any region. In this study, field data acquisition involved seven vertical electrical sounding and three horizontal resistivity profiling (HRP) carried out. Field data were interpreted using IPI2win 1-D software while subsurface lithologic layering and correlation was realized in rockworks v 22. Modelled true geolectric sections after curve matching revealed the study area to be underlain predominantly by clayey lithologic units followed by coarse grained sands with silty sands and fine sands in minor fraction. Total investigation depth range between 314.0m and 510.0m and fresh water was found to occur at a depth of 168m in VES L2, 430m in VES L3 and 154m in VES L6 locations. Iron water was found in some coarse sands at a depth interval of 129 m to 314 m at VES L1 while fresh water in coarse sands underlain by iron water saturated fine sands occurs at a depth interval of 73.20 m to 206 m at VES L2. At VES L3, fresh water saturated coarse sands were found at a depth interval of 131 m to 430m. Boreholes should be drilled to 430m and screened from 131m to 430m at L3. At VES L4, fine sands overlying coarse grained sands were saturated with iron water from 50.20 m to 422m. At VES L6, fresh water saturated coarse grained sandy aquifer was found from 114 m to 154m. Although VES L2, L3 and L6 provides the most suitable prospective locations for fresh water in the area at depths of 168m for L2, 430m for L3 and 154m for L6, lithologic modelling revealed that both coarse sands and fine sands are either juxtaposed or interfingered at the shallow, intermediate and deeper depths, hence, there is strong potential for iron water and fresh water inter-mixing during pumping. All twenty proposed boreholes are recommended not to be pumped at rates exceeding 3,500 l/min. Boreholes should be 450m apart to prevent well interferences and pumping schedule of 10 to 14 boreholes daily will greatly reduce stresses on the well field as well as potential risk from saline intrusion. Three saline water encroachment monitoring boreholes should be sited at 1.5km from L1 and L2 and 2.4km from L7 respectively at the East, West and Southern sections of the plant area.
Abstract: The location, design, drilling and completion of wells for potable groundwater abstraction require exploration and mapping of groundwater potential zones within the geologic framework of any region. In this study, field data acquisition involved seven vertical electrical sounding and three horizontal resistivity profiling (HRP) carried out. Field d...
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Research Article
Assessment of Household Water Treatment Practices in Odaya Kebele at Dilla Town, Southern Ethiopia
Issue:
Volume 13, Issue 6, December 2024
Pages:
158-165
Received:
21 November 2024
Accepted:
4 December 2024
Published:
30 December 2024
DOI:
10.11648/j.wros.20241306.12
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Abstract: The global population continues to grow, the availability of fresh and safe water remains limited, posing significant public health challenges. Household water treatment (HWT) has the potential to improve water quality at the point of use and reduce waterborne diseases such as diarrhea. However, adoption of HWT in Ethiopia remains low, with limited evidence to guide interventions. A community-based cross-sectional study conducted in Odaya Kebele, Dilla Town, Southern Ethiopia, from March 18 to April 18, 2023, assessed household water treatment practices among 72 systematically selected households through structured interviews. The study revealed that only 31.94% of households practiced HWT, with boiling (52.17%), chlorination (21.74%), filtration (13.04%), and sedimentation (8.67%) being the primary methods. Despite access to various water sources, low educational levels, inadequate cleaning of water storage containers, and lack of awareness were key barriers to HWT adoption. The study recommended enhancing health education programs to raise awareness of simple and cost-effective water treatment methods, encouraging community engagement for consistent HWT application, and improving access to affordable resources like chlorine while providing proper training on their use. These measures could significantly improve HWT practices, reduce waterborne diseases, and enhance community health.
Abstract: The global population continues to grow, the availability of fresh and safe water remains limited, posing significant public health challenges. Household water treatment (HWT) has the potential to improve water quality at the point of use and reduce waterborne diseases such as diarrhea. However, adoption of HWT in Ethiopia remains low, with limited...
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,
Paul Mokam Mogaba
