Identified in legislation and citizen actions, the rainwater harvesting initiative was seen as an essential alternative in the face of the water scarcity faced at the national level.In the study area, located in Villa Victoria, State of Mexico, a rainwater harvesting proposal is being developed. Water legislation and regulations in the State of Mexico provide the guidelines for this action, but they only focus on the use of rainwater for different activities, including the reduction of saturation in drainage and sewage systems In the study area, located in Villa Victoria, State of Mexico, a proposal for rainwater harvesting is being developed. The water legislation and regulations in the State of Mexico provide the guidelines for this action, but they only focus on the use of rainwater for different activities, including the reduction of saturation in drainage and sewerage systems. This is not considered a law, perhaps it will be soon, due to the scarcity of water at present.The costs for the installation of rainwater harvesting networks can exceed costs of more than three hundred thousand pesos, however, it is also possible to install systems with lower costs and reuse materials, which allows to carry out the objective and meet the expected results. It is important to implement cost-effective techniques so that the population can count on safe water during the rainy season and thus meet some of their daily needs.