This document describes the design of a sewerage and excreta treatment system for the community of Ardilla Urku in Napo, Ecuador, which lacks adequate sanitation infrastructure. The objective is to provide access to sanitation and ensure proper wastewater management. The design was based on information gathering and design standards, using a 20-year design period and EMAAP and INEN standards. For the design of the stormwater drainage system, the rational...