AbstractBefore the Colonial era, agriculture was carried out to fulfill the need of peasant in small communities. Back then, peasant faced many sorts of problems to ensure the sufficiency of yields. British colonialism in Perak in 1874 had built the irrigation system which able to increase the quantity and quality of rice yield through the scheme introduced. The study was conducted using qualitative methods of analyzing the official document, annual record, proceeding and writing on British colonialism in Perak. The finding shows that Krian is one of the areas that has been the focus on irrigation system known as Krian Irrigation System. A large allocation has been spent to complete the construction of the system that is capable to increase the rice yield. Deforestation also undertaken for the construction of Sungai Manik Irrigation System, which eventually developed into a settlement. British administration left the impact on the history of the development of Perak Irrigation System and state.....