El Porvenir, Mpo. de Praxedis G. Guerrero, Chihuahua, Mexico

Wastewater Collection and Treatment Project in El Porvenir, Chihuahua

Status: Completed


When the project was certified, the wastewater collection service coverage was 15%. The wastewater system needed to be expanded. The existing wastewater collection system had several discharges to an irrigation drain. The layout of the collection system had to be modified in order to collect and convey the wastewater to a single point for treatment. Wastewater treatment was not available.


The purpose of the Project was to to eliminate exposure to untreated wastewater by rehabilitating and expanding the wastewater collection system and the construction of a wastewater treatment plant, contributing to the reduction of water pollution and the risk of water‐borne diseases.


The project consists of the construction of a comprehensive wastewater collection and treatment system for the community of El Porvenir, Municipality of Praxedis G. Guerrero, Chihuahua. It includes the rehabilitation and expansion of the wastewater collection system and the construction of a wastewater treatment plant (WWTP). The WWTP consists of an oxidation lagoon system with a treatment capacity of 0.35 MGD.

Project Financing

Total Project Cost US 1.70M
NADBank Funding US 0.14M - NADBank Loan
US 0.78M - NADBank Grant: BEIF

Results Measurement

Results are measured upon completion of the project through a closeout process that assesses project performance within 6-12 months after completion, as well as the achievement of the goals and objectives established at the time of project certification and financing approval.


Increased access and use of safe and sanitary wastewater collection services

Access to adequate wastewater treatment services

Reduction of untreated wastewater discharges to water bodies or other places



Increase number of  connections


Wastewater treatment capacity

0.35 MGD

Quantity of uncollected wastewater discharges eliminated

0.19 MGD



Wastewater connections


Wastewater collection lines

20.3 miles

Wastewater treatment plant

0.35 MGD

Significant project finding(s)

The project improves wastewater collection and first‐time wastewater treatment services and elimination of an estimated 0.19 MGD of untreated wastewater into shared transboundary surface water.