Project

DESIGN, CONSTRUCTION, EXTENSION, EQUIPMENT, INSTALLATION, OPERATION, MAINTENANCE and EXPLOITATION, OF THE TUNAL II DAM AND COMPLEMENTARY WORKS FOR THE SUPPLY OF DRINKING WATER FOR THE CITY OF DURANGO, IN THE STATE OF DURANGO.

Sector: Water and Environment

This project is no longer updated

Last Revision

March 27, 2024
Short Name of the Project:
0907 Tunal II Dam in Durango, Dgo.
Type of Investment:
Archived Project
Subsector:
Water Supply
Asset (s):
 Dam 126 hm3/año, Aqueduct 9 KM, Drinking Water Treatment Plant 2,750 litres per second (l/s) 
Contract Currency:
Mexican Pesos MXN
Estimated Investment MXN:

3,894,037,962

Estimated Investment USD:

227,721,518

Exchange rate (USD/MXN) used by the Ministry of Finance for the economic plan 2024: $ 17.1
Contract Scope:
  Design,  Construction,  Extension,  Equipment,  Installation,  Operation,  Maintenance,  Exploitation

DESCRIPTION

The integrated project consists of the design, construction, expansion, equipment, installation, operation, maintenance, and exploitation of the Tunal II Dam, a water treatment plant, an aqueduct and complementary works to bring water to the city of Durango, Durango.

The dam will supply surface water with the Guadalupe Victoria Dam, and with the Santiago Bayacora Dam, in a near future, through an intake work to the pumping plant that will lead this resource through a pressure line to the water treatment plant for treatment, and from there it will be transported by the gravity line to the twin macro-tanks located in “Cerro de los Remedios”, to begin its distribution to the city's water network.

The water network considers the construction of 14 regulation and storage tanks, of which 11 have been built. To the date, 3 macro-tanks are needed to built: Nororiente, Mercado and Contreras. The macro-tank El Conejo is already built, but not in service.

LEGAL AND FINANCIAL STRUCTURE

Type of Project
  Public / Private
Type of Contract
  – NA –
Term
24 years
Selection Process
International Open Tender
Financing Sources
Federal
71.21 %
MXN
2,772,944,433
USD
162,160,493
State
11.51 %
MXN
448,203,769
USD
26,210,747
Private
8.64 %
MXN
336,444,880
USD
19,675,139
Others
8.64 %
MXN
336,444,880
USD
19,675,139
Payment Source
Project revenues / Rate
A fee will be paid against the water operator of the Municipality of Durango, established by the amounts and filing of the foreseen resources, for the agreed payment per treated m3 of drinking water delivered to the city.

STATUS

Stage
  Preinvestment
Substage
  Studies
RELEVANT DATES
Ministry of Finance Registration or equivalent November 07, 2019

GEOLOCATION

State(s)
Durango   

SPONSOR

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Entity
State Government
Department
Comisión del Agua del Estado de Durango
Directora General
Contact
Ing. Yadira G. Narváez Salas
E-mail
yadira.narvaez@durango.gob.mx

SUSTAINABLE INFORMATION

PROJECT’S SUSTAINABILITY SUMMARY

The purpose of the project is to supply quality water to the inhabitants of the city of Durango, given the high levels of fluoride and arsenic in the wells that currently supply water to the city. Likewise, it will avoid the overexploitation of aquifers and proposes waste recycling strategies during the construction

* 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.

ADDITIONAL INFORMATION

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Source
Unidad de Inversiones (SHCP)
Description
Administrative office of the Ministry of Finance that, among other attributions, is responsible for concentrating and managing the pipeline of programs and projects submitted by the entities of the Federal Public Administration.
ID
1916B000059
Website
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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
10DU2019HD033
Permits
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Source
BANOBRAS
Description
Banco Nacional de Obras y Servicios Públicos (BANOBRAS) is a development bank that makes the development of infrastructure projects with high social profitability possible, by providing long term funding to private developers, and state and municipal governments, and by promoting the participation of the private sector and commercial banks.

REMARKS

The project will not be included in the published projects because the deadline for its efforts expired in March 14, 2024. All inclusions, changes and/or cancellations of projects in Mexico Projects Hub are executed by Banobras exclusively according to official information and/or instructions delivered by the sponsor entities.

The City of Durango is supplied with water through the underground extraction of 97 deep wells, supplied by storage tanks to the local distribution network. The Valle del Guadiana aquifer, from which this water is extracted, is closed for exploitation with an average drop of 1.5 m/year (Availability by CONAGUA aquifers, Dec. 2020). Additionally, there are concentrations above what is allowed by the modification of the NOM-127-SSA1-1994 in arsenic and fluoride.

The contract term considers 4 years of construction and 20 of operation.

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