Wan Ruslan IsmailHaslina SarjuMashhor Mansor2024-05-202024-05-202007Ismail, W. R., Sarju, H. A. S. L. I. N. A., & Mansor, M. A. S. H. H. O. R. (2007). Water quality of streams and wells of North Perlis: a comparative analysis. Malaysian J Environ Manage, 8, 69-85.https://repoemc.ukm.my/handle/123456789/1415Water resources in catchment area came from various sources. Water from the surface infiltrate and leached down to the ground water. Land use activities on the surface will affect water quality of both surface and underground water. Underground water has been use by Malaysian as their water resources. Perlis and Kelantan are the two states in Malaysia that have a lot of wells still in use for water supply especially during dry season. This study investigates the spatial and temporal changes in water quality of surface and ground water of north Perlis from July 2001-December 2001.enJournal