Rio Grande City, Texas, USA

Wastewater Collection Improvements Project in Rio Grande City, Texas

Status: Completed


Residents in the project area lacked centralized wastewater collection services and thus wastewater was discharged to latrines, cesspools, failing septic tanks, and open drains. This condition posed risks to human health due to the potential contact with raw wastewater and organisms that are vectors for associated diseases. In addition, this may present risks for contamination of area soils, as well as surface and underground water bodies.

The proposed project will provide adequate service to residents who currently lack wastewater collection in the area, and the collection coverage will be increased with the installation of 27 residential connections.


The purpose of this project was to eliminate exposure to untreated or inadequately treated wastewater discharges in the Water Street Subdivision through the construction of a wastewater collection system, which will contribute to the reduction of water pollution and the risk of water- borne diseases.


The proposed project consists of providing first time wastewater collection service to 27 homes in the Water Street subdivision, that was relying on failing septic tanks. Collected wastewater is conveyed to an existing wastewater treatment plant. 

Project Financing

Total Project Cost US 0.23M
NADBank Funding US 0.23M - NADBank 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.


Provide access to new wastewater collection services

Eliminate exposure to untreated or inadequately treated WW discharges


Actual (2014)

Increase wastewater collection (connections)


Improve wastewater treatment capacity (gpd)




New wastewater collection infrastructure (lf)


Wastewater connections


Eliminate untreated discharges (gpd)


Significant project finding(s)

The project provided a solution for a small number of homes in an economically distressed area within the city to be connected to the collection system.