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Project

construction of the Paso Ancho Dam, in the state of Oaxaca.

Sector: Water and Environment


Last Revision

May 09, 2025
Macroproject:
Infrastructure Projects of the National Water Plan
Short Name of the Project:
0993 Paso Ancho Dam
Type of Investment:
Greenfield
Subsector:
Water Supply
Asset (s):
 Dam 1,000 litres per second (l/s) 
Contract Currency:
Mexican Pesos MXN
Estimated Investment MXN:

4,600,000,000

Estimated Investment USD:

248,648,648

Exchange rate (USD/MXN) used by the Ministry of Finance for the economic plan 2025: $ 18.5
Contract Scope:
  Construction
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DESCRIPTION
The project involves the construction of a storage dam, which will ensure a continuous supply of drinking water to the population of the Metropolitan Area of Oaxaca, benefiting 641,000 people.

Components:
-Dam
-Intake works
-Aqueduct
-Water treatment plant
-Interconnection lines and networks

LEGAL AND FINANCIAL STRUCTURE
Type of Project
  Public
Type of Contract
  Public Works

STATUS
Stage
  Preinvestment
Substage
  Studies
RELEVANT DATES
Request for proposals/Announcement
July
2025
Execution/Construction Starting Date August 2025
Operation Starting Date 2027

GEOLOCATION
State(s)
Oaxaca   

SPONSOR
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Entity
Comisión Nacional del Agua
Department
Subdirección General de Agua Potable, Drenaje y Saneamiento
WebsiteInstitutional Arrangement

ADDITIONAL INFORMATION
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Source
Compras MX
Description
Compras MX is the Digital Public Procurement Platform of the Federal Public Administration, where anyone can access information about the purchases made by the Government of Mexico to support its operations for the benefit of all.
ID
LO-79-010-920024998-N-1-2025
Basic engineering and preliminary design
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Source
State Government
Project information

MULTIMEDIA
0992 Tren San Luis Potosí – Saltillo 0994 Acueducto Chiná y Acuaférico Campeche

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