Preparation of a detailed plan and implementation of watershed management in Karaj city Project: Preparation of a detailed plan and implementation of watershed management in Karaj city Type of Activity: Watershed Employer: Organization of Sima, Landscape and Urban Green Space of Karaj Municipality Year: 1398 Preparation of materials and implementation of water transmission and distribution lines in the city of Karaj Mulching, seedling work, irrigation, Jagin care on the level of 420 hectares