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Start Over Topic water supply Publication Year Range Last 50 years Region cauca river (colombia)
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1. Aplicación de los indicadores de calidad y contaminación del agua en la determinación de la oferta hídrica neta.

Author

Samboni, Natalia E., Reyes T., Aldemar, and Carvajal E., Yesid

Subjects
*WATER supply, *AGRICULTURE, *INDUSTRIES, *RECREATION, *WATER pollution, *WATER quality
Abstract

The net water supply refers to water employed by the man for various uses including agriculture, industry, domestic and recreation; in Colombia, is defined by Resolution 0865 of 2004 the Ministry of Environment, Housing and Territorial Development, where supply surface use two different reduction factors: 25% for environmental flow and 25% for water quality. The application of these two reductions is limited in most cases, applying these percentages to the lowest average monthly flow multiyear, therefore, quality studies are not directly included in this calculation. This paper presents the methodology for calculate the reduction for water quality, from the identification of appropriate quality and pollution, ICA, ICO, using information from two sub-basin tributaries of the Cauca river basin: Hondo river and Zanjón Oscuro, located in the upper Cauca River basin, finding a direct relationship between the reduction and water pollution. [ABSTRACT FROM AUTHOR]

Published
2011

2. Centinela: an early warning system for the water quality of the Cauca River.

Author

Vélez, Carlos, Alfonso, Leonardo, Sánchez, Arlex, Galvis, Alberto, and Sepúlveda, Gilberto

Subjects
*WATER quality, *DRINKING water analysis, *WATER demand management, *WATER treatment plants, *DECISION making, *WATER pollution prevention
Abstract

The Cauca River is the drinking water source for 1.3 million inhabitants of the city of Cali, Colombia. Although the river discharge is sufficient to handle the water demand of the city all year long, significant water pollution events cause frequent disruption to the Puerto Mallarino Treatment Plant (PMTP) and the water supply service, with substantial social and economic impacts on the city. The sources of pollution include wastewater discharges upstream of the PMTP and important sediment transport from the upstream sub-catchments during heavy rainfall events. Both situations can lead to a closure of the PMTP when the presence of a pollution plume at its intake is evident. This paper presents the design and prototype of a water quality early warning system to anticipate the peaks of pollution in the river, in order to assist the operators in taking timely informed decisions about the operation of the treatment plant. As the published experiences of early warning systems for similar water pollution problems are very limited, the approach to solve the problem using hydroinformatics technologies is worth documenting for utility companies with a similar problem. [ABSTRACT FROM AUTHOR]

Published
2014
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