Open Access Research Paper Views (844) Surface water quality assessment in Gilan Province, Iran Mohammad Ebrahimi,Mohammad Javad Nematollahi, Alireza Moradian, Sadegh Adineh, Rasoul Esmaeili J. Biodiv. & Environ. Sci. 6(5), 269-280, May 2015. Keywords: Gilan province, Hydrogeochemistry, Irrigation water quality, Surface water Details