ABLE GIS Concept.

Understanding Groundwater Potential: A Hidden Resource Beneath Our Feet

Groundwater remains one of the most critical yet underappreciated natural resources, especially in developing regions where it serves as the primary source of water for domestic, agricultural, and industrial use.

Groundwater potential refers to the ability of subsurface geological formations (aquifers) to store and transmit water. This potential is influenced by several key factors including soil type, geology, slope, land use/land cover, drainage density, and rainfall patterns.

From a GIS and Remote Sensing perspective, mapping groundwater potential zones involves integrating multiple spatial datasets through techniques such as Multi-Criteria Decision Analysis (MCDA). By assigning weights to factors like permeability, infiltration capacity, and proximity to drainage systems, we can identify areas with high, moderate, and low groundwater potential.

💡 In many communities (like parts of Niger State), the high concentration of boreholes often indicates zones of favorable hydrogeological conditions—typically areas with high infiltration rates and permeable subsurface materials.

However, sustainable groundwater management is essential. Over-extraction, poor land use practices, and climate variability can significantly reduce groundwater availability over time.

📊 As GIS professionals, we play a key role in:

Identifying suitable zones for groundwater exploration

Supporting water resource planning

Enhancing sustainable development strategies

Groundwater is not just a resource—it is a lifeline. Understanding its distribution is the first step toward protecting it.

Level of built-up encroachment towards drainage systems at 20, 50, 100, 150 and 200 m distances.