Water Use in Oman May 7, 2018 Agriculture consumes 1,546 MCM/yr (83% of total use), drinking water 196 MCM/yr and industrial consumption is 130 MCM/yr, totalling 1,872 MCM/yr. This represents a deficit of 316 MCM/yr. Tags: Aflaj - Agriculture - dam - Irrigation - Muscat - Oman - Water Use - water use in Oman