 In 2002, Colombian government issued the Decree 1729 aimed at establishing water resource management at the river basin level including a timeframe and financial resources available for the elaboration of Watershed Ordering Plans (Planes Integrales de Ordenamiento y Manejo de Microcuencas – PIOM).IDEAM was responsible for elaborating a guide to inform river basing planning which was published in 2004.CARs are in charge of formulating and approving this plan in accordance with the steps included in IDEAM's technical guide, which are