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DESIGN, CONSTRUCTION, EQUIPMENT, OPERATION AND MAINTENANCE OF THE WASTEWATER TREATMENT PLANT IN HERMOSILLO, SONORA.

Sector: Water and Environment


Last Revision

March 31, 2025
Short Name of the Project:
0599 WWTP Hermosillo
Type of Investment:
Brownfield
Subsector:
Water sanitation
Asset (s):
 Wastewater Treatment Plant 2,500 litres per second (l/s) 
Contract Currency:
Mexican Pesos MXN
Estimated Investment MXN:

778,000,000

Estimated Investment USD:

40,310,880

Exchange rate (USD/MXN) used by the Ministry of Finance for the economic plan 2026: $ 19.3
Contract Scope:
  Design,  Construction,  Equipment,  Operation,  Maintenance
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DESCRIPTION
The project consists of the construction of the Hermosillo Wastewater Treatment Plant (PTAR), in Sonora. It has a treatment capacity of 2,500 l/s. It will treat 100% of Hermosillo´s waste water.

LEGAL AND FINANCIAL STRUCTURE
Type of Project
  Public / Private
Type of Contract
  Provision of services
Term
22 years
Selection Process
Public Bid
Payment Source
Project revenues / Rate
The Hermosillo Water Operating authority pays the private developer for the services delivery.

STATUS
Stage
  Operation
Substage
  > 5 years of operation
RELEVANT DATES
Request for proposals/Announcement March 25, 2010
Proposals Reception August 20, 2010
Contract Signing April 11, 2012
Operation Starting Date December 2016
Term of the Contract October 12, 2035
Contractor
TIAR Hermosillo  
Major Contractor’s Shareholders
FYPASA, GEICH

GEOLOCATION
State(s)
Sonora   

SPONSOR
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Entity
Comisión Nacional del Agua
Department
Agua de Hermosillo / Dirección General de Agua de Hermosillo
Contact
Renato Ulloa Valdez / Director General del Organismo Operador de Agua de Hermosillo
E-mail
renato.ulloa@agua.gob.mx
WebsiteInstitutional Arrangement

SUSTAINABLE INFORMATION
imagen sostentabilidad
Sustainability Datasheet

PROJECT’S SUSTAINABILITY SUMMARY

The Project consists of a wastewater treatment plant for the city of Hermosillo, Sonora; with which 100% coverage of the service will be achieved, thus avoiding untreated water discharges into streams of the same state.

* This summary was prepared based on the methodological framework defined by the Inter-American Development Bank (IDB) in the document entitled: “Attributes and Framework for Sustainable Infrastructure”, which is You can check Here.

Additionally, a brief explanation of the methodology and a summary of the questions applied can be consulted in this Document.

DOCUMENTS USED:

ADDITIONAL INFORMATION
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Source
Secretaría de Medio Ambiente y Recursos Naturales
Description
Federal government entity and sectorial authority responsible for establishing the necessary criteria and instruments to guarantee the protection, preservation, and use of natural resources, by developing an environmental policy that ensures sustainable growth.
ID
26SO2011HD049
Procedures
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Source
State Government
Website
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Source
Concessionaire / Related Company
FYPASA

MULTIMEDIA
0598 PTAR Atotonilco 0604 Ronda 2, Licitación 4: Área 2, Perdido

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