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Groundwater is one ofthe alternatives for water resource to meet the increasing demand ofclean water supply in Malaysia. Groundwater is water that accumulates in crevices of rock, soil and sand atthe bottom of the earth resulting from water flowing along the surface of streams or lakes. Many researcheshave been carried out to overcome theissues on demand and supply of clean water including the usageofgeophysics analysis with electrical resistivity method. The Vocational College in Jasin, Melaka was chosen as a potential area to detect the groundwater sources. Three horizontal lines were identified at the location namely Jasin-1, Jasin-2, and Jasin-3, before running the resistivity testing using the ABEM Terrameter SAS 4000. The protocol of Pole-Dipole was used for Jasin-1 and Jasin-2 while the Schlumberger was used for Jasin-3 in order to read the data. Then, the data was analysed using the RES2DINV software and presented in 2-dimensional images. Based on the findings, Jasin Vocational College is a potential area to produce groundwater with resistivity reading of 25 to 100 ohm at 30 to 135 meter depth. Of the three lines, Jasin-1 was recommended as atube well potential spot. The analysis also shows that Jasin-1 area consistsof alluvium form sand, clay and gravel.

Site Investigation of Groundwater Potential at Jasin Using Electrical Resistivity Imaging