GIS for drilling drinking water wells


How can Geographic Information System (GIS) be used in identifying potential sites for drilling drinking water wells.



Said Al-Nammari
GIS is a mapping tool and does not replace the need for a good understanding of both the geology of the region and of the hydrogeology of the aquifers below. Certainly GIS could be mot useful in mapping the different aquifers and the groundwater water supply systems i.e. springs, bores, wells and other hydraulic structures.

GIS is an excellent tool for the water resources expert to map all kind of geological, hydrogeological and hydrological information that could lead to a better understanding of the underlying aquifers in the formations below. The interpretation of GIS information mapped needs expert inputs / professional interpretation to determine some aquifer characteristics and water resources uses as per data collected or found.

With my regards.

Said Al-Nammari
Engr. Mansoor Ahmed PhD. Scholar
GIS is a powerful tool for developing solutions for water resources such as assessing water quality and managing water resources on a local or regional scale.

Hydrologists use GIS technology to integrate various data and applications into one, manageable system. The suite of tools contained in Arc Hydro facilitate the creation, manipulation, and display of hydro features and objects within the ArcGIS environment.

The importance of managing groundwater and surface water conjunctively as a whole water cycle, including a number of areas where development of knowledge, plans, and information systems is required.

Examples of practicing the GIS System for the same are Australia, Sub-Saharan African Countries etc.

This is quite a vast subject needs extensive working and reliable data base to develop.

Here is a link in Australia's development of GIS System for Water Resource Management....

Walid Raouafi
Here you can find information about the location of the Ground water Wells using GIS techniques used in a case study:
Romulus Okwany
As Andrew has very generally explained, GIS can be used quite extensively (not just a few) to detect locations for groundwater wells. The challenge is the details available to support the GIS database for the given location you are interested in. Assuming a very basic dataset you can leverage the GIS capability by linking it to a groundwater modeling software that will incorporate hydrological data such that some of those areas for which guess work are inherent can be minimized, such as the extent and variations in aquifer properties.
The baseline is that the usability of this tool is only limited to the available input dataset.
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