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This project was Certified on October 01, 2010


Water / Wastewater


Nogales, Sonora, MEX

Benefited Population

70,000 people

Projected Cost

$19,308,000.00 USD

Technical Assistance

$356,937.00USD from PDAP


OOMAPAS de Nogales



The project consists of the construction of a wastewater treatment plant (WWTP) in Los Alisos River basin with 5 MGD (220 lps) initial capacity. The project also includes the construction of conveyance works to convey wastewater to the WWTP. The conveyance works will consist of one lift station: Lift Station “Estadio" with average capacity of 9.13 MGD (400 lps). Additionally, the conveyance works require one forcemain, a gravity outfall, and a discharge box at the watershed divide. The forcemain will connect Lift Station “Estadio” with the discharge box through 30-inch diameter pipe. The discharge box will receive pressurized wastewater from the forcemain and equalize flow from pressurized to gravity. The gravity outfall will convey the wastewater through a 24-inch diameter pipe to the proposed "Los Alisos" WWTP

    Certification Document

Close Out Report

Close Out Report

The Close‐Out Process provides a review of physical facilities constructed, facility performance and achievement of objectives, as reflected in a results measurement matrix.

    Close Out Report   (PDF, 355 KB)