Sanitary Sewer Proposal for the community of San Isidro, Santa Cruz de Yojoa, thanks to the management of the mayor's office of Santa Cruz de Yojoa through the Central American Technological University (UNITEC), was established to carry out a Sanitary Sewer System, the which began with a field visit, in which it was contemplated to carry out an uprising of the entire community of San Isidro and delimit the extension of the community in which the construction will take place, and how the topographic survey would be attacked.transport and the congestion generated by the location of the different points of