New Salto Wastewater Treatment Plant
The infrastructure was built to treat wastewater generated by residents, thus minimizing pollution of the Uruguay River and improving quality of life of about 100,000 people in the area.
Obras Sanitarias del Estado (OSE), the state-owned agency responsible for the supply of drinking water in the country and sanitation services in rural Uruguay, opened a new wastewater treatment plant in Salto. The project was funded by CAF—development bank of Latin America.
This initiative is part of CAF’s OSE financing program, which aims to support the expansion and sustainable improvement of coverage, quality, efficiency and reliability of drinking water and sanitation services through of an array of prioritized investments in OSE’s Five-Year Investment Plan.
After a two-year construction period and with a USD 21-million investment, the plant aims to treat the wastewater of almost the entire city, improving the quality of life of some 100,000 residents and mitigating the pollution of the Uruguay River
“One of our main objectives at CAF is to promote sustainable development of the countries in which we operate and to implement actions aimed at improving the quality of life of the population. In this case, the new plant also has a direct impact on reduction of pollution, and thus yields environmental benefits. Therefore, we are proud to support a proposal with such a broad scope and that brings so much value to the community,” said François Borit, CAF director representative in Uruguay.
The plant’s daily average treatment capacity is a flow rate of 324 liters per second, purifying the effluents from the sewerage network and individual systems, particularly from the cesspits sanitized by vacuum trucks.
This process uses a biological treatment and disinfection with ultra violet rays. Subsequently, duly processed liquid effluents are dumped in the Uruguay River and the filtered waste is dehydrated and stabilized for final disposal.
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