Tecate, Baja California, Mexico

Improvement and Expansion of the Water and Wastewater Systems for Tecate, Baja California

Status: Completed construction


At the outset of the project, several communities in Tecate  had inadequate water and wastewater  services.  Potable water was supplied using water trucks and WW was disposed of through latrines, cesspools and, in some instances, directly to surface waters that discharge to the Tecate River. The  water trucks were operated either by the city or private companies with much higher water rates. WWTP discharges were not compliant with applicable norms and regulations in BOD and TSS. This project was referred as the Tecate Project.


The objective of the proposed project was to improve human health and environmental conditions in Tecate through the implementation of projects aimed at  improving  and expanding water, wastewater collection, and treatment systems.


The project consisted of the expansion of the water distribution and wastewater collection systems to un-served areas, and improvements in the trickling filter of the Tecate WWTP with a capacity of 4.6 MGD. The Project did not increase the WWT capacity.

Project Financing

Total Project Cost US 9.73M
NADB Funding US 0.61M - NADB Loan
US 4.37M - NADB Grant: BEIF

Project Photos

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.


Improve access to wastewater treatment service

Increase access to sustainable potable water service

Increase access and use of safe sanitary wastewater collection services


Actual 2015

Improved wastewater treatment

4.6 MGD

Compliance with applicable norms and regulations


Increased number of new connections


Increased number of new connections




Improved wastewater treatment plant

 4.6 MGD

Water lines (miles)


Wastewater collection lines (miles)


Significant project finding(s)

Increased water and wastewater collection coverages. Compliance with applicable norms and regulations of the WWTP effluent.