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A hydrogeological survey is an investigation of the hydrologic and geologic parameters at the subsurface level in a particular area. Hydrogeological maps may be formulated with the data gathered during such a study.Hydrogeology is defined as the science of the occurrence, distribution, and movement of water below the Earth's surface. From: Past Glacial Environments (Second Edition), 2018.
A hydrogeological investigation is a study of the hydrologic and geologic parameters at the subsurface level in a particular area. The purpose of most hydrogeological investigations is to locate potential sites for development of an adequate quantity of reasonably good quality.
Hydrogeological investigations can be used for:
Locating potential sites for development
Near surface disposal of radioactive waste
Ensuring the success and safety of tunnelling projects
The step by step process of a hydrogeological survey includes:
Borehole drilling using an 8½ inch diameter bit
Casing with good quality 6” screens made of steel or uPVC
Packing gravel
Grouting
Cleaning the borehole (development)
Test pumping to determine the aquifer properties